VRH2502LLX [ANASEM]
High speed, Low dropout, 1% High output accuracy CMOS Voltage Regulator with On/Off circuit; 高速，低压差， 1 ％高输出精度CMOS电压稳压器具有ON / OFF电路
| 型号： | VRH2502LLX |
| 厂家： | 
AnaSem Hong Kong Limited |
| 描述： | High speed, Low dropout, 1% High output accuracy CMOS Voltage Regulator with On/Off circuit |
| 文件： | 总35页 (文件大小：1448K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
安纳森
Analog Semiconductor IC
High speed, Low dropout, ±1% High output accuracy
CMOS Voltage Regulator with On/Off circuit
(IMPORTANT: Please check the last page for Genuine Product Labeling)
Rev. E13-01
Website:
Tel:
www.anasemi.com
+852-3590-8442
Email:
sales@anasemi.com
AnaSem
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Rev. E13-01
Products Data Sheet
AnaSem
Analog Semiconductor IC
High speed, Low dropout, ±1% High output accuracy with On/Off circuit CMOS Voltage Regulator
VRH Series
GENERAL DESCRIPTIONS
The VRH series are positive voltage regulators with high speed, low voltage
HALOGEN
dropout and high accuracy output achieved by low current consumption. The
output voltage is guaranteed within ±1% within the given temperature range
by Vref controlling the temperature characteristic. It corresponds to the low
RoHS
ESR capacitor as an output stabilization capacitor. The charged ESR
capacitor can be discharged with an internal switch by making the EN=VSS
COMPLIANCE
,
as a result the VOUT quickly returns to the VSS level. To make the current
capacity of the output transistor not exceeded, the over-current protection
circuit is built in.
FEATURES
ò
ò
ò
ò
ò
ò
ò
ò
ò
ò
ò
ò
ò
Output voltage range ······························
0.9V~5.0V (selectable with a step of 0.05V)
Operating voltage range ··························
1.6V~6.0V
High accuracy output voltage ···················
±1% (VOUT=1.95V ~ 5.0V) / ±20mV (VOUT=0.9V ~ 1.9V)
Maximum output current ··························
250mA
Dropout voltage ·····································
Typ. 90mV (output=3.0V, IOUT=100mA)
Low current consumption ························
Typ. 25µA
High ripple rejection ·······························
Typ. 75dB at 1KHz
Low ESR capacitor ·································
1.0 µF ceramic capacitor
Operating temperature range ···················
–40°C ~ +85°C
Built-in over-current protector ···················
Limit current : 300mA
C
L
high-speed auto-discharge
Built-in On/Off circuit
Small package ······································
SOT-25 (2.9×2.8×1.1mm), LLP-4 (1.2×1.6×0.6mm),
SDFN-4 (1.0×1.0×0.4mm),
APPLICATIONS
ò
ò
ò
Battery powered devices
Cellular phone
ò
ò
Portable games
Handheld instruments
Digital / Video cameras
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High speed, Low dropout, ±1% High output accuracy with On/Off circuit CMOS Voltage Regulator
Rev. E13-01
VRH Series
PRODUCTS NUMBERING GUIDE
VRH
Discharge function
X : Auto discharge
Package form
T : SOT-25
L : LLP-4
V : SDFN-4
Function specification
Accuracy rate
L : VOUT=0.9V~1.9V
N : VOUT=1.95V~5.0V
1 : ±1%
2 : ±20mV
090 ~ 500 : Selectable with a step of 0.05V
in the range of 0.9V ~ 5.0V
Output voltage
e.g.) 090 : 0.90V, 285 : 2.85V
PIN CONFIGURATION / MARKING SPECIFICATION (SOT-25)
ò Pin Configuration
Vout
5
NC
4
No.
1
Symbol
Descriptions
Voltage input
VIN
2
V
SS
Power ground
Chip enable
A B C D E
3
EN
NC
F
F F F
4
Non connection (open)
Output
2
3
1
5
VOUT
EN
Vin
Vss
(Top view)
ò Marking Specification
Code
A
Mark
H
Contents
Products series name
Output voltage
BCD
E
090~500
X
Discharge function
Lot number
F
Internal rule
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High speed, Low dropout, ±1% High output accuracy with On/Off circuit CMOS Voltage Regulator
Rev. E13-01
VRH Series
PIN CONFIGURATION / MARKING SPECIFICATION (LLP-4)
ò Pin Configuration
Vin
4
EN
3
No.
1
Symbol
OUT
Descriptions
V
Output
A
B
2
V
SS
Power ground
Chip enable
5
Vss
3
EN
C D E
4
V
IN
Voltage input
Power ground
F
F
F
5
VSS
2
1
Vss
Vout
ò Marking Specification
(Top view)
Code
A
Mark
H
Contents
Products series name
Discharge function
Output voltage
B
X
CDE
F
090~500
Internal rule
Lot number
PIN CONFIGURATION / MARKING SPECIFICATION (SDFN-4)
ò Pin Configuration
EN
3
Vin
4
No.
1
Symbol
OUT
Descriptions
V
Output
A B
2
VSS
Power ground
Chip enable
C
D
5
Vss
3
EN
2
1
4
VIN
Voltage input
Power ground
5
VSS
(Top view)
ò Marking Specification
Code
AB
Mark
09~50
Contents
Output voltage
Lot number
CD
Internal rule
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High speed, Low dropout, ±1% High output accuracy with On/Off circuit CMOS Voltage Regulator
Rev. E13-01
VRH Series
BLOCK DIAGRAM
V
IN
V
OUT
Over-current
Protector
+
Voltage
Reference
_
Vss
EN
ABSOLUTE MAXIMUM RATINGS
Items
Input voltage range
Output current
Symbol
Ratings
Unit
V
V
IN
OUT
OUT
–0.3 ~ +7.0
500
I
mA
V
Output voltage range
SOT-25
V
V
SS –0.3 ~ VIN +0.3
P
D
D
D
600
mW
mW
mW
°C
Power dissipation ※1)
LLP-4
P
P
1000
SDFN-4
550
Operating temperature range
Storage temperature range
TOPR
–40 ~ +85
–55 ~ +125
T
STG
°C
Note :
※1) Power dissipation depends on conditions of mounting on boards.
PCB dimension is 50mm×50mm×1.6mm.
TYPICAL APPLICATION CIRCUITS
EN
VOUT
CL = 1µF
V
SS
VIN
CIN = 1µF
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High speed, Low dropout, ±1% High output accuracy with On/Off circuit CMOS Voltage Regulator
Rev. E13-01
VRH Series
ELECTRICAL CHARACTERISTICS
(Ta=25°C unless otherwise specified)
Test
Items
Symbol
Conditions
Min.
Typ.
Max.
Unit
circuit
V
×0.99
OUT
VOUT
×1.01
V
V
OUT≧1.95V
OUT≦1.90V
V
OUT
V
V
OUT+1.0V≦VIN≦6.0V
Output voltage
V
OUT
I
OUT=30mA
1
Ta=–40°C ~ +85°C
–20
-
+20
mV
mA
mA
mA
mA
mA
mA
mV
mV
mV
mV
mV
mV
1.2V≦VOUT≦1.65V
1.7V≦VOUT≦2.25V
2.3V≦VOUT≦2.85V
2.9V≦VOUT≦3.45V
3.5V≦VOUT≦4.05V
4.0V≦VOUT≦5.00V
1.2V≦VOUT≦1.65V
1.7V≦VOUT≦2.25V
2.3V≦VOUT≦2.85V
2.9V≦VOUT≦3.45V
3.5V≦VOUT≦4.05V
4.1V≦VOUT≦5.00V
-
-
-
-
-
-
-
-
-
-
-
-
250
250
250
250
250
250
210
130
100
90
-
-
-
Output current
I
OUT
V
IN≧VOUT+1.0V
1
-
-
-
340
205
150
137
125
115
Dropout voltage
V
DROP
I
OUT=100mA
1
85
80
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High speed, Low dropout, ±1% High output accuracy with On/Off circuit CMOS Voltage Regulator
Rev. E13-01
VRH Series
ELECTRICAL CHARACTERISTICS (continued)
(Ta=25°C unless otherwise specified)
Test
Items
Symbol
Conditions
Min.
Typ.
Max.
Unit
µA
µA
V
circuit
Current consumption
Standby current
Input voltage
I
DD
V
IN=VOUT+1.0V, VOUT=Open, IOUT=0mA
-
-
25
40
2
I
STB
EN=VSS
0.01
-
0.1
6.0
40
2
1
1
V
IN
1.6
-
Load regulation
∆VOUT
V
IN=VOUT+1.0V, IOUT=0.1mA ~ 100mA
10
mV
∆VOUT
/
Line regulation
Ripple rejection
Limit current
V
V
OUT+1.0V≦VIN≦6.0V, IOUT=30mA
-
-
0.01
75
-
0.1
%/V
dB
1
3
1
∆VIN•VOUT
IN=VOUT+1.0V, f=1KHz,
Rr
-
-
∆VRIP=0.5VP-P, IOUT=30mA
I
LIMIT
EN=VIN
300
mA
Short circuit current
Output voltage
I
SHORT
V
V
IN=VOUT+1.0V, VOUT=0V
-
40
-
mA
1
1
4
4
4
4
1
∆VOUT
/
EN=VIN, IOUT=300mA
ppm
/°C
±20
temperature coefficient ∆Ta•VOUT Ta=–40°C ~ +85°C
EN high level voltage
EN low level voltage
EN high level current
EN low level current
V
ENH
1.2
-
-
6.0
0.3
5.0
0.1
-
V
V
V
ENL
-
I
ENH
V
V
V
EN= VIN=5V
0.25
–0.1
-
-
-
µA
µA
Ω
I
ENL
EN= VSS
CL
auto-discharge
RDIS
IN=6.0V, VOUT=4.0V, VEN= VSS
160
resistance
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High speed, Low dropout, ±1% High output accuracy with On/Off circuit CMOS Voltage Regulator
Rev. E13-01
VRH Series
TEST CIRCUITS
ò Circuit (1) - Output voltage, Output current, Dropout voltage, Input voltage, Load regulation,
Line regulation, Limit current, Short circuit current, Output voltage temperature coefficient,
CL auto-discharge resistance
V
OUT
A
V
IN
I
OUT
CL
V
CIN
V
IN
EN
V
SS
ò Circuit (2) - Current consumption, Standby current
V
OUT
A
VIN
CL
CIN
V
IN
EN
V
SS
ò Circuit (3) - Ripple rejection
V
OUT
V
IN
I
OUT
V
CL
V
EN
V
SS
ò Circuit (4) - EN high level voltage, EN low level voltage, EN high level current, EN low level current
V
OUT
V
IN
CL
CIN
V
IN
A
EN
V
SS
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Rev. E13-01
VRH Series
DESCRIPTION OF OPERATION
ò General operation
In reference to following block diagram of the VRH series ;
*1)
V
IN
V
OUT
Over-current
Protector
R1
RDIS
VFEEDBACK
R2
+
VREF
Voltage
Reference
_
Error Amp.
V
SS
EN
4MΩ
By the error amplifier, the reference voltage (VREF) is compared with VFEEDBACK which is divided by
feedback resistors R1 and R2. It supplies the output transistor (see note *1) to keep a stabilized output
voltage against with any fluctuation of input voltage by negative feedback system.
Note *1)
The VRH series has P-channel MOSFET which is connected to the VOUT terminal as the output
transistor. To prevent the VRH series from being damaged due to inverse current from VOUT
terminal to VIN terminal through a parasitic diode, VOUT should not be exceeded VIN+0.3V.
ò EN terminal (shutdown function) & CL auto-discharge
The VRH series can be shutdown through EN terminal. The P-channel MOSFET is turned off and
operation of all internal circuits stops to reduce the current consumption when the signal of EN
terminal is set to the shutdown level. In shutdown mode, the VRH series enables the electric charge at
the C
L to be discharged via the auto-discharge resistance (RDIS ; 160Ω), and the VOUT terminal can be
rapidly returned to the VSS level as a result.
ò Output capacitor (C
For phase compensation, an output capacitor (C
SS terminal as close as possible. A ceramic capacitor with capacitance value of at least 1.0µF is
L)
L) is required to connected between VOUT terminal and
V
recommended. Of course, the suitable capacitance value should be different by the condition of each
application. In addition, an input capacitor (CIN) with capacitance value of at least 1.0µF is also
recommended between VIN terminal and VSS terminal for stable input power.
ò Over current protection and short circuit protection
Built-in over current protection circuit performs circuit protection from over current as a current limiter.
When the load current reaches the limit level, the output voltage drops and output current also
decreases accordingly. A current of typ. 40mA will flow when output terminal is shorted.
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Rev. E13-01
VRH Series
TYPICAL CHARACTERISTICS – Output Voltage vs. Output Current
ò VRH1202xxx (VOUT=1.2V)
ò VRH1202xxx (VOUT=1.2V)
V
IN=EN=VOUT+1.0V, CIN=CL=1.0µF
EN=VIN, Ta=25°C, CIN=CL=1.0µF
1.6
1.2
0.8
0.4
0
1.6
1.2
0.8
0.4
0
VIN=2.2V
VIN=1.6V
VIN=6.0V
Ta=+25°C
Ta=–40°C
Ta=+85°C
0
100
200
300
400
500
0
100
200
300
400
500
Output Current : IOUT (mA)
Output Current : IOUT (mA)
ò VRH1802xxx (VOUT=1.8V)
ò VRH1802xxx (VOUT=1.8V)
EN=VIN, Ta=25°C, CIN=C
L
=1.0µF
VIN=EN=VOUT+1.0V, CIN=CL=1.0µF
2.4
1.8
1.2
0.6
0
2.4
1.8
1.2
0.6
0
VIN=2.8V
VIN=1.9V
VIN=6.0V
Ta=+25°C
Ta=–40°C
Ta=+85°C
0
100
200
300
400
500
0
100
200
300
400
500
Output Current : IOUT (mA)
Output Current : IOUT (mA)
ò VRH2801xxx (VOUT=2.8V)
ò VRH2801xxx (VOUT=2.8V)
V
IN=EN=VOUT+1.0V, CIN=CL=1.0µF
EN=VIN, Ta=25°C, CIN=CL=1.0µF
3.0
2.5
2.0
1.5
1.0
0.5
3.0
2.5
2.0
1.5
1.0
0.5
Ta=+25°C
Ta=–40°C
Ta=+85°C
V
V
V
IN=3.8V
IN=2.9V
IN=6.0V
0
0
0
100
200
300
400
500
0
100
200
300
400
500
Output Current : IOUT (mA)
Output Current : IOUT (mA)
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VRH Series
TYPICAL CHARACTERISTICS – Output Voltage vs. Output Current (continued)
ò VRH3001xxx (VOUT=3.0V)
ò VRH3001xxx (VOUT=3.0V)
EN=VIN, Ta=25°C, CIN=C
L
=1.0µF
VIN=EN=VOUT+1.0V, CIN=CL=1.0µF
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
V
V
V
IN=4.0V
IN=3.1V
IN=6.0V
Ta=+25°C
Ta=–40°C
Ta=+85°C
0
100
200
300
400
500
0
100
200
300
400
500
Output Current : IOUT (mA)
Output Current : IOUT (mA)
ò VRH3301xxx (VOUT=3.3V)
ò VRH3301xxx (VOUT=3.3V)
V
IN=EN=VOUT+1.0V, CIN=CL=1.0µF
EN=VIN, Ta=25°C, CIN=CL=1.0µF
4.0
3.0
2.0
1.0
0
4.0
3.0
2.0
1.0
0
Ta=+25°C
Ta=–40°C
Ta=+85°C
VIN=4.3V
VIN=3.4V
VIN=6.0V
0
100
200
300
400
500
0
100
200
300
400
500
Output Current : IOUT (mA)
Output Current : IOUT (mA)
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Rev. E13-01
VRH Series
TYPICAL CHARACTERISTICS – Output Voltage vs. Input Voltage
ò VRH1202xxx (VOUT=1.2V)
ò VRH1202xxx (VOUT=1.2V)
EN=VIN, Ta=25°C, CIN=C
L
=1.0µF
EN=VIN, Ta=25°C, CIN=C
L
=1.0µF
1.4
1.3
1.2
1.1
1.0
0.9
1.4
1.3
1.2
1.1
1.0
0.9
1mA
30mA
1mA
30mA
100mA
2.5
100mA
0.8
0.5
0.8
2.5
1.0
1.5
2.0
3.0
3.5
4.0
4.5
5.0
5.5
6.0
Input Voltage : VIN (V)
Input Voltage : VIN (V)
ò VRH1802xxx (VOUT=1.8V)
ò VRH1802xxx (VOUT=1.8V)
EN=VIN, Ta=25°C, CIN=C
L
=1.0µF
EN=VIN, Ta=25°C, CIN=CL=1.0µF
2.0
1.9
1.8
1.7
1.6
1.5
1.4
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1mA
30mA
1mA
30mA
100mA
100mA
1.0
1.5
2.0
2.5
3.0
4.0
4.5
5.0
5.5
6.0
Input Voltage : VIN (V)
Input Voltage : VIN (V)
ò VRH2801xxx (VOUT=2.8V)
ò VRH2801xxx (VOUT=2.8V)
EN=VIN, Ta=25°C, CIN=C
L
=1.0µF
EN=VIN, Ta=25°C, CIN=C
L
=1.0µF
3.0
2.9
2.8
2.7
2.6
2.5
3.0
2.9
2.8
2.7
2.6
2.5
1mA
30mA
1mA
30mA
100mA
100mA
2.4
2.4
2.0
2.5
3.0
3.5
4.0
4.0
4.5
5.0
5.5
6.0
Input Voltage : VIN (V)
Input Voltage : VIN (V)
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Rev. E13-01
VRH Series
TYPICAL CHARACTERISTICS – Output Voltage vs. Input Voltage (continued)
ò VRH3001xxx (VOUT=3.0V)
ò VRH3001xxx (VOUT=3.0V)
EN=VIN, Ta=25°C, CIN=C
L
=1.0µF
EN=VIN, Ta=25°C, CIN=C
L
=1.0µF
3.2
3.2
3.1
3.0
2.9
2.8
2.7
2.6
2.5
3.1
3.0
2.9
2.8
2.7
2.6
2.5
1mA
30mA
100mA
4.0
1mA
30mA
100mA
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
Input Voltage : VIN (V)
Input Voltage : VIN (V)
ò VRH3301xxx (VOUT=3.3V)
ò VRH3301xxx (VOUT=3.3V)
EN=VIN, Ta=25°C, CIN=C
L
=1.0µF
EN=VIN, Ta=25°C, CIN=C
L
=1.0µF
3.4
3.3
3.2
3.1
3.0
2.9
2.8
3.4
3.3
3.2
3.1
3.0
2.9
2.8
1mA
30mA
1mA
30mA
100mA
100mA
2.0
2.5
3.0
3.5
4.0
4.5
3.5
4.0
4.5
5.0
5.5
6.0
Input Voltage : VIN (V)
Input Voltage : VIN (V)
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Rev. E13-01
VRH Series
TYPICAL CHARACTERISTICS – Dropout Voltage vs. Output Current
ò VRH1202xxx (VOUT=1.2V)
ò VRH1802xxx (VOUT=1.8V)
EN=VIN, CIN=C
L
=1.0µF
EN=VIN, CIN=CL=1.0µF
0.80
0.70
0.60
0.50
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
Required minimum operation condition
0.40
0.30
0.20
0.10
0
Ta=+25°C
Ta=–40°C
Ta=+85°C
Ta=+25°C
Ta=–40°C
Ta=+85°C
0
0
50
100
150
200
250
0
50
100
150
200
250
Output Current : IOUT (mA)
Output Current : IOUT (mA)
ò VRH2801xxx (VOUT=2.8V)
ò VRH3001xxx (VOUT=3.0V)
EN=VIN, CIN=CL=1.0µF
EN=VIN, CIN=CL=1.0µF
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
Ta=+25°C
Ta=–40°C
Ta=+85°C
Ta=+25°C
Ta=–40°C
Ta=+85°C
0
50
100
150
200
250
0
50
100
150
200
250
Output Current : IOUT (mA)
Output Current : IOUT (mA)
ò VRH3301xxx (VOUT=3.3V)
EN=VIN, CIN=CL=1.0µF
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
Ta=+25°C
Ta=–40°C
Ta=+85°C
0
50
100
150
200
250
Output Current : IOUT (mA)
AnaSem
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High speed, Low dropout, ±1% High output accuracy with On/Off circuit CMOS Voltage Regulator
Rev. E13-01
VRH Series
TYPICAL CHARACTERISTICS – Output Voltage vs. Ambient Temperature
ò VRH1202xxx (VOUT=1.2V)
ò VRH1802xxx (VOUT=1.8V)
V
IN=EN=VOUT+1.0V, IOUT=30mA, CIN=CL=1.0µF
V
IN=EN=VOUT+1.0V, IOUT=30mA, CIN=CL=1.0µF
1.30
1.25
1.20
1.90
1.85
1.80
1.75
1.70
1.15
1.10
-50
-25
0
25
50
75
100
-50
-25
0
25
50
75
100
Ambient Temperature : Ta (°C)
Ambient Temperature : Ta (°C)
ò VRH2801xxx (VOUT=2.8V)
ò VRH3001xxx (VOUT=3.0V)
V
IN=EN=VOUT+1.0V, IOUT=30mA, CIN=C
L
=1.0µF
VIN=EN=VOUT+1.0V, IOUT=30mA, CIN=CL=1.0µF
2.90
2.85
3.10
3.05
3.00
2.95
2.90
2.80
2.75
2.70
-50
-25
0
25
50
75
100
-50
-25
0
25
50
75
100
Ambient Temperature : Ta (°C)
Ambient Temperature : Ta (°C)
ò VRH3301xxx (VOUT=3.3V)
V
IN=EN=VOUT+1.0V, IOUT=30mA, CIN=CL=1.0µF
3.40
3.35
3.30
3.25
3.20
-50
-25
0
25
50
75
100
Ambient Temperature : Ta (°C)
TYPICAL CHARACTERISTICS – CL-Discharge Resistance vs. Ambient Temperature
300
V
C
IN=6.0V, EN=VSS, VOUT=4.0V
IN=C =1.0µF
L
250
200
150
100
50
0
-50
-25
0
25
50
75
100
Ambient Temperature : Ta (°C)
AnaSem
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High speed, Low dropout, ±1% High output accuracy with On/Off circuit CMOS Voltage Regulator
Rev. E13-01
VRH Series
TYPICAL CHARACTERISTICS – Supply Current vs. Input Voltage
ò VRH1202xxx (VOUT=1.2V)
ò VRH1802xxx (VOUT=1.8V)
EN=VIN, CIN=C
L
=1.0µF
EN=VIN, CIN=CL=1.0µF
60
50
40
30
20
10
60
50
40
30
20
10
Ta=+25°C
Ta=–40°C
Ta=+85°C
Ta=+25°C
Ta=–40°C
Ta=+85°C
0
0
0
1
2
3
4
5
6
6
6
0
1
2
3
4
5
6
Input Voltage : VIN (V)
Input Voltage : VIN (V)
ò VRH2801xxx (VOUT=2.8V)
ò VRH3001xxx (VOUT=3.0V)
EN=VIN, CIN=C
L
=1.0µF
EN=VIN, CIN=CL=1.0µF
60
50
40
30
20
10
0
60
50
40
30
20
10
0
Ta=+25°C
Ta=–40°C
Ta=+85°C
Ta=+25°C
Ta=–40°C
Ta=+85°C
0
1
2
3
4
5
0
1
2
3
4
5
6
Input Voltage : VIN (V)
Input Voltage : VIN (V)
ò VRH3301xxx (VOUT=3.3V)
EN=VIN, CIN=CL=1.0µF
60
50
40
30
20
10
Ta=+25°C
Ta=–40°C
Ta=+85°C
0
0
1
2
3
4
5
Input Voltage : VIN (V)
AnaSem
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High speed, Low dropout, ±1% High output accuracy with On/Off circuit CMOS Voltage Regulator
Rev. E13-01
VRH Series
TYPICAL CHARACTERISTICS – Load Transient Response
ò VRH1202xxx (VOUT=1.2V)
ò VRH1802xxx (VOUT=1.8V)
V
IN=EN=VOUT+1.0V
=1.0µF
V
IN=EN=VOUT+1.0V
Tr=Tf=5µs, Ta=25°C, CIN=C
L
Tr=Tf=5µs, Ta=25°C, CIN=C
L=1.0µF
1.3
400
1.9
1.8
1.7
1.6
1.5
1.4
300
250
200
150
100
50
Output Voltage
Output Voltage
1.2
1.1
1.0
0.9
300
200
100
0
Output Current
Output Current
1.3
0
Time (40µs/div)
Time (40µs/div)
ò VRH2801xxx (VOUT=2.8V)
ò VRH3001xxx (VOUT=3.0V)
V
IN=EN=VOUT+1.0V
=1.0µF
V
IN=EN=VOUT+1.0V
=1.0µF
Tr=Tf=5µs, Ta=25°C, CIN=C
L
Tr=Tf=5µs, Ta=25°C, CIN=C
L
2.9
2.8
2.7
2.6
2.5
2.4
300
250
200
150
100
50
3.1
3.0
2.9
2.8
2.7
2.6
300
250
200
150
100
50
Output Voltage
Output Voltage
Output Current
Output Current
2.3
0
2.5
0
Time (40µs/div)
Time (40µs/div)
ò VRH3301xxx (VOUT=3.3V)
V
IN=EN=VOUT+1.0V
=1.0µF
Tr=Tf=5µs, Ta=25°C, CIN=C
L
3.4
3.3
3.2
3.1
3.0
2.9
2.8
300
250
200
150
100
50
Output Voltage
Output Current
0
Time (40µs/div)
AnaSem
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High speed, Low dropout, ±1% High output accuracy with On/Off circuit CMOS Voltage Regulator
Rev. E13-01
VRH Series
TYPICAL CHARACTERISTICS – Input Transient Response (IOUT=1mA)
ò VRH1202xxx (VOUT=1.2V)
ò VRH1802xxx (VOUT=1.8V)
V
IN=EN, Tr=Tf=5µs, Ta=25°C, CIN=C
L
=1.0µF
VIN=EN, Tr=Tf=5µs, Ta=25°C, CIN=CL=1.0µF
4
3
1.40
1.35
1.30
1.25
1.20
1.15
5
4
3
2
1
0
2.00
1.95
1.90
1.85
1.80
1.75
Input Voltage
Input Voltage
2
1
Output Voltage
Output Voltage
0
-1
-2
1.10
-1
1.70
Time (20µs/div)
Time (20µs/div)
ò VRH2801xxx (VOUT=2.8V)
ò VRH3001xxx (VOUT=3.0V)
V
IN=EN, Tr=Tf=5µs, Ta=25°C, CIN=CL=1.0µF
V
IN=EN, Tr=Tf=5µs, Ta=25°C, CIN=CL=1.0µF
6
5
4
3
2
1
3.00
2.95
2.90
2.85
2.80
2.75
6
5
4
3
2
1
3.20
3.15
3.10
3.05
3.00
2.95
Input Voltage
Output Voltage
Time (20µs/div)
Input Voltage
Output Voltage
0
2.70
0
2.90
Time (20µs/div)
ò VRH3301xxx (VOUT=3.3V)
V
IN=EN, Tr=Tf=5µs, Ta=25°C, CIN=CL=1.0µF
6
5
4
3
2
1
3.50
3.45
3.40
3.35
3.30
3.25
Input Voltage
Output Voltage
Time (20µs/div)
0
3.20
AnaSem
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High speed, Low dropout, ±1% High output accuracy with On/Off circuit CMOS Voltage Regulator
Rev. E13-01
VRH Series
TYPICAL CHARACTERISTICS – Input Transient Response (IOUT=30mA)
ò VRH1202xxx (VOUT=1.2V)
ò VRH1802xxx (VOUT=1.8V)
V
IN=EN, Tr=Tf=5µs, Ta=25°C, CIN=C
L
=1.0µF
VIN=EN, Tr=Tf=5µs, Ta=25°C, CIN=CL=1.0µF
4
3
1.40
1.35
1.30
1.25
1.20
1.15
5
4
3
2
1
0
2.00
1.95
1.90
1.85
1.80
1.75
Input Voltage
Input Voltage
2
1
Output Voltage
Output Voltage
0
-1
-2
1.10
-1
1.70
Time (20µs/div)
Time (20µs/div)
ò VRH2801xxx (VOUT=2.8V)
ò VRH3001xxx (VOUT=3.0V)
V
IN=EN, Tr=Tf=5µs, Ta=25°C, CIN=CL=1.0µF
V
IN=EN, Tr=Tf=5µs, Ta=25°C, CIN=CL=1.0µF
6
5
4
3
2
1
3.00
2.95
2.90
2.85
2.80
2.75
6
5
4
3
2
1
3.20
3.15
3.10
3.05
3.00
2.95
Input Voltage
Input Voltage
Output Voltage
Output Voltage
0
2.70
0
2.90
Time (20µs/div)
Time (20µs/div)
ò VRH3301xxx (VOUT=3.3V)
V
IN=EN, Tr=Tf=5µs, Ta=25°C, CIN=CL=1.0µF
6
5
4
3
2
1
3.50
3.45
3.40
3.35
3.30
3.25
Input Voltage
Output Voltage
0
3.20
Time (20µs/div)
AnaSem
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High speed, Low dropout, ±1% High output accuracy with On/Off circuit CMOS Voltage Regulator
Rev. E13-01
VRH Series
TYPICAL CHARACTERISTICS – Input Transient Response (IOUT=100mA)
ò VRH1202xxx (VOUT=1.2V)
ò VRH1802xxx (VOUT=1.8V)
V
IN=EN, Tr=Tf=5µs, Ta=25°C, CIN=CL=1.0µF
V
IN=EN, Tr=Tf=5µs, Ta=25°C, CIN=C
L
L
L
=1.0µF
=1.0µF
=1.0µF
4
3
1.40
1.35
1.30
1.25
1.20
1.15
5
4
3
2
1
0
2.00
1.95
1.90
1.85
1.80
1.75
Input Voltage
Input Voltage
2
1
Output Voltage
Output Voltage
0
-1
-2
1.10
-1
1.70
Time (20µs/div)
Time (20µs/div)
ò VRH2801xxx (VOUT=2.8V)
ò VRH3001xxx (VOUT=3.0V)
V
IN=EN, Tr=Tf=5µs, Ta=25°C, CIN=CL=1.0µF
V
IN=EN, Tr=Tf=5µs, Ta=25°C, CIN=C
6
5
4
3
2
1
0
3.20
3.15
3.10
3.05
3.00
2.95
2.90
6
5
4
3
2
1
3.00
2.95
2.90
2.85
2.80
2.75
Input Voltage
Input Voltage
Output Voltage
Time (20µs/div)
Output Voltage
0
2.70
Time (20µs/div)
ò VRH3301xxx (VOUT=3.3V)
V
IN=EN, Tr=Tf=5µs, Ta=25°C, CIN=C
6
5
4
3
2
1
3.50
3.45
3.40
3.35
3.30
3.25
Input Voltage
Output Voltage
0
3.20
Time (20µs/div)
AnaSem
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High speed, Low dropout, ±1% High output accuracy with On/Off circuit CMOS Voltage Regulator
Rev. E13-01
VRH Series
TYPICAL CHARACTERISTICS – Input Rise Time (IOUT=1mA)
ò VRH1202xxx (VOUT=1.2V)
ò VRH1802xxx (VOUT=1.8V)
V
IN=EN, Tr=5µs, Ta=25°C, CIN=C
L
=1.0µF
VIN=EN, Tr=5µs, Ta=25°C, CIN=CL=1.0µF
4
3
3.5
3.0
4
3
7
6
Input Voltage
Input Voltage
2
1
2.5
2.0
2
1
5
4
0
-1
-2
-3
1.5
1.0
0.5
0
0
-1
-2
-3
3
2
1
0
Output Voltage
Output Voltage
Time (25µs/div)
Time (25µs/div)
ò VRH2801xxx (VOUT=2.8V)
ò VRH3001xxx (VOUT=3.0V)
V
IN=EN, Tr=5µs, Ta=25°C, CIN=C
L
=1.0µF
VIN=EN, Tr=5µs, Ta=25°C, CIN=CL=1.0µF
5
8
5
8
Input Voltage
Input Voltage
4
3
2
7
6
5
4
3
2
7
6
5
1
0
4
3
2
1
0
1
0
4
3
2
1
0
Output Voltage
Output Voltage
-1
-2
-3
-1
-2
-3
Time (25µs/div)
Time (25µs/div)
ò VRH3301xxx (VOUT=3.3V)
V
IN=EN, Tr=5µs, Ta=25°C, CIN=CL=1.0µF
6
5
4
10
9
Input Voltage
8
7
3
2
6
1
5
4
0
Output Voltage
-1
-2
-3
-4
3
2
1
0
Time (25µs/div)
AnaSem
20
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High speed, Low dropout, ±1% High output accuracy with On/Off circuit CMOS Voltage Regulator
Rev. E13-01
VRH Series
TYPICAL CHARACTERISTICS – Input Rise Time (IOUT=30mA)
ò VRH1202xxx (VOUT=1.2V)
ò VRH1802xxx (VOUT=1.8V)
V
IN=EN, Tr=5µs, Ta=25°C, CIN= C
L
=1.0µF
VIN=EN, Tr=5µs, Ta=25°C, CIN=CL=1.0µF
4
3
3.5
3.0
4
3
7
6
Input Voltage
Input Voltage
2
1
2.5
2.0
2
1
5
4
0
-1
-2
-3
1.5
1.0
0.5
0
0
-1
-2
-3
3
2
1
0
Output Voltage
Output Voltage
Time (25µs/div)
Time (25µs/div)
ò VRH2801xxx (VOUT=2.8V)
ò VRH3001xxx (VOUT=3.0V)
V
IN=EN, Tr=5µs, Ta=25°C, CIN=C
L
=1.0µF
VIN=EN, Tr=5µs, Ta=25°C, CIN=CL=1.0µF
5
8
5
8
Input Voltage
Input Voltage
4
3
2
7
6
5
4
3
2
7
6
5
1
0
4
3
2
1
0
1
0
4
3
2
1
0
Output Voltage
Output Voltage
-1
-2
-3
-1
-2
-3
Time (25µs/div)
Time (25µs/div)
ò VRH3301xxx (VOUT=3.3V)
V
IN=EN, Tr=5µs, Ta=25°C, CIN=CL=1.0µF
6
5
4
10
9
Input Voltage
8
7
3
2
6
1
5
4
0
Output Voltage
-1
-2
-3
-4
3
2
1
0
Time (25µs/div)
AnaSem
21
.......... Future of the analog world
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High speed, Low dropout, ±1% High output accuracy with On/Off circuit CMOS Voltage Regulator
Rev. E13-01
VRH Series
TYPICAL CHARACTERISTICS – Input Rise Time (IOUT=100mA)
ò VRH1202xxx (VOUT=1.2V)
ò VRH1802xxx (VOUT=1.8V)
V
IN=EN, Tr=5µs, Ta=25°C, CIN=C
L
=1.0µF
VIN=EN, Tr=5µs, Ta=25°C, CIN=CL=1.0µF
4
3
3.5
3.0
4
3
7
6
Input Voltage
Input Voltage
2
1
2.5
2.0
2
1
5
4
0
-1
-2
-3
1.5
1.0
0.5
0
0
-1
-2
-3
3
2
1
0
Output Voltage
Output Voltage
Time (25µs/div)
Time (25µs/div)
ò VRH2801xxx (VOUT=2.8V)
ò VRH3001xxx (VOUT=3.0V)
V
IN=EN, Tr=5µs, Ta=25°C, CIN=C
L
=1.0µF
VIN=EN, Tr=5µs, Ta=25°C, CIN=CL=1.0µF
5
8
5
8
Input Voltage
Input Voltage
4
3
2
7
6
5
4
3
2
7
6
5
1
0
4
3
2
1
0
1
0
4
3
2
1
0
Output Voltage
Output Voltage
-1
-2
-3
-1
-2
-3
Time (25µs/div)
Time (25µs/div)
ò VRH3301xxx (VOUT=3.3V)
V
IN=EN, Tr=5µs, Ta=25°C, CIN=CL=1.0µF
6
5
4
10
9
Input Voltage
8
7
3
2
6
1
5
4
0
Output Voltage
-1
-2
-3
-4
3
2
1
0
Time (25µs/div)
AnaSem
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High speed, Low dropout, ±1% High output accuracy with On/Off circuit CMOS Voltage Regulator
Rev. E13-01
VRH Series
TYPICAL CHARACTERISTICS – EN Rise Time (IOUT=1mA)
ò VRH1202xxx (VOUT=1.2V)
ò VRH1802xxx (VOUT=1.8V)
V
IN=VOUT+1.0V
V
IN=VOUT+1.0V
Tr=5µs, Ta=25°C, CIN=C =1.0µF
L
Tr=5µs, Ta=25°C, CIN=C =1.0µF
L
5
4
8
7
6
5
4
3
2
1
0
3
2
6
EN Input Voltage
5
4
3
2
1
0
EN Input Voltage
3
1
0
2
1
0
-1
-2
-3
Output Voltage
Output Voltage
-1
-2
-3
Time (40µs/div)
Time (40µs/div)
ò VRH2801xxx (VOUT=2.8V)
ò VRH3001xxx (VOUT=3.0V)
V
IN=VOUT+1.0V
V
IN=VOUT+1.0V
Tr=5µs, Ta=25°C, CIN=C =1.0µF
L
Tr=5µs, Ta=25°C, CIN=C =1.0µF
L
5
8
5
8
EN Input Voltage
EN Input Voltage
4
3
2
7
6
5
4
3
2
7
6
5
1
0
4
3
2
1
0
1
0
4
3
2
1
0
Output Voltage
Output Voltage
-1
-2
-3
-1
-2
-3
Time (40µs/div)
Time (40µs/div)
ò VRH3301xxx (VOUT=3.3V)
V
IN=VOUT+1.0V
Tr=5µs, Ta=25°C, CIN=C =1.0µF
L
6
5
4
9
8
7
6
5
EN Input Voltage
3
2
Output Voltage
1
4
3
2
1
0
0
-1
-2
-3
Time (40µs/div)
AnaSem
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High speed, Low dropout, ±1% High output accuracy with On/Off circuit CMOS Voltage Regulator
Rev. E13-01
VRH Series
TYPICAL CHARACTERISTICS – EN Rise Time (IOUT=30mA)
ò VRH1202xxx (VOUT=1.2V)
ò VRH1802xxx (VOUT=1.8V)
V
IN=VOUT+1.0V
V
IN=VOUT+1.0V
Tr=5µs, Ta=25°C, CIN=C =1.0µF
L
Tr=5µs, Ta=25°C, CIN=C =1.0µF
L
5
4
8
7
6
5
4
3
2
1
0
3
2
6
EN Input Voltage
5
4
3
2
1
0
EN Input Voltage
3
1
0
2
1
0
-1
-2
-3
Output Voltage
Output Voltage
-1
-2
-3
Time (40µs/div)
Time (40µs/div)
ò VRH2801xxx (VOUT=2.8V)
ò VRH3001xxx (VOUT=3.0V)
V
IN=VOUT+1.0V
V
IN=VOUT+1.0V
Tr=5µs, Ta=25°C, CIN=C =1.0µF
L
Tr=5µs, Ta=25°C, CIN=C =1.0µF
L
5
8
5
8
EN Input Voltage
EN Input Voltage
4
3
2
7
6
5
4
3
2
7
6
5
1
0
4
3
2
1
0
1
0
4
3
2
1
0
Output Voltage
Output Voltage
-1
-2
-3
-1
-2
-3
Time (40µs/div)
Time (40µs/div)
ò VRH3301xxx (VOUT=3.3V)
V
IN=VOUT+1.0V
Tr=5µs, Ta=25°C, CIN=C =1.0µF
L
6
5
4
9
8
7
6
5
EN Input Voltage
3
2
Output Voltage
1
4
3
2
1
0
0
-1
-2
-3
Time (40µs/div)
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High speed, Low dropout, ±1% High output accuracy with On/Off circuit CMOS Voltage Regulator
Rev. E13-01
VRH Series
TYPICAL CHARACTERISTICS – EN Rise Time (IOUT=100mA)
ò VRH1202xxx (VOUT=1.2V)
ò VRH1802xxx (VOUT=1.8V)
V
IN=VOUT+1.0V
V
IN=VOUT+1.0V
Tr=5µs, Ta=25°C, CIN=C =1.0µF
L
Tr=5µs, Ta=25°C, CIN=C =1.0µF
L
5
4
8
7
6
5
4
3
2
1
0
3
2
6
EN Input Voltage
5
4
3
2
1
0
EN Input Voltage
3
1
0
2
1
0
-1
-2
-3
Output Voltage
Output Voltage
-1
-2
-3
Time (40µs/div)
Time (40µs/div)
ò VRH2801xxx (VOUT=2.8V)
ò VRH3001xxx (VOUT=3.0V)
V
IN=VOUT+1.0V
V
IN=VOUT+1.0V
Tr=5µs, Ta=25°C, CIN=C =1.0µF
L
Tr=5µs, Ta=25°C, CIN=C =1.0µF
L
5
8
5
8
EN Input Voltage
EN Input Voltage
4
3
2
7
6
5
4
3
2
7
6
5
1
0
4
3
2
1
0
1
0
4
3
2
1
0
Output Voltage
Output Voltage
-1
-2
-3
-1
-2
-3
Time (40µs/div)
Time (40µs/div)
ò VRH3301xxx (VOUT=3.3V)
V
IN=VOUT+1.0V
Tr=5µs, Ta=25°C, CIN=C =1.0µF
L
6
5
4
9
8
7
6
5
EN Input Voltage
3
2
Output Voltage
1
4
3
2
1
0
0
-1
-2
-3
Time (40µs/div)
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.......... Future of the analog world
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High speed, Low dropout, ±1% High output accuracy with On/Off circuit CMOS Voltage Regulator
Rev. E13-01
VRH Series
TYPICAL CHARACTERISTICS – Ripple Rejection Rate
ò VRH1202xxx (VOUT=1.2V)
ò VRH1802xxx (VOUT=1.8V)
V
IN=EN=(VOUT+1.0)Vdc+0.5Vp-pac
V
IN=EN=(VOUT+1.0)Vdc+0.5Vp-pac
I
OUT=30mA, Ta=25°C, CIN=C =1.0µF
L
IOUT=30mA, Ta=25°C, CIN=CL=1.0µF
100
90
80
70
60
50
40
30
20
10
0
100
90
80
70
60
50
40
30
20
10
0
0.01
0.1
1
10
100
1000
0.01
0.1
1
10
100
1000
Ripple Frequency : f (KHz)
Ripple Frequency : f (KHz)
ò VRH2801xxx (VOUT=2.8V)
ò VRH3001xxx (VOUT=3.0V)
V
IN=EN=(VOUT+1.0)Vdc+0.5Vp-pac
V
IN=EN=(VOUT+1.0)Vdc+0.5Vp-pac
I
OUT=30mA, Ta=25°C, CIN=C =1.0µF
L
I
OUT=30mA, Ta=25°C, CIN=C =1.0µF
L
100
90
100
90
80
70
60
50
40
30
20
10
0
80
70
60
50
40
30
20
10
0
0.01
0.1
1
10
100
1000
0.01
0.1
1
10
100
1000
Ripple Frequency : f (KHz)
Ripple Frequency : f (KHz)
ò VRH3301xxx (VOUT=3.3V)
V
IN=EN=(VOUT+1.0)Vdc+0.5Vp-pac
I
OUT=30mA, Ta=25°C, CIN=C =1.0µF
L
100
90
80
70
60
50
40
30
20
10
0
0.01
0.1
1
10
100
1000
Ripple Frequency : f (KHz)
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.......... Future of the analog world
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High speed, Low dropout, ±1% High output accuracy with On/Off circuit CMOS Voltage Regulator
Rev. E13-01
VRH Series
PACKAGE DIMENSIONS (SOT-25)
(Unit : mm)
1.1~1.3
2.9±0.2
0.45
a
a
(Marked Side)
0~0.1
3~7°
a
a
a
+0.10
–0.15
0.16
0.95
0.95
1.9±0.2
+0.10
–0.15
a = 0.32
Flat length = 0.2 min.
2.9±0.2
Recommended land pattern
0.7
0.7
0.7
0.95
0.95
1.9
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High speed, Low dropout, ±1% High output accuracy with On/Off circuit CMOS Voltage Regulator
Rev. E13-01
VRH Series
TAPING AND LOADING SPECIFICATIONS (SOT-25)
(Unit : mm)
4.0±0.1
+0.1
–0
ø1.5
0.3±0.03
2.0±0.05
Mark
Mark
1.4±0.1
4.0±0.1
3.18±0.1
1.75 Max.
Taping direction
REEL DIMENSIONS (SOT-25)
(Unit : mm)
90°
120°
2.0±0.5
9.0±0.5
(3,000 pcs / reel)
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High speed, Low dropout, ±1% High output accuracy with On/Off circuit CMOS Voltage Regulator
Rev. E13-01
VRH Series
PACKAGE DIMENSIONS (LLP-4)
(Unit : mm)
0.9±0.05
1.2±0.05
(Marked Side)
(0.075)
4*0.3±0.05
0.6±0.05
Recommended land pattern
1.0
0.35
0.35
0.3
0.3
0.6
AnaSem
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.......... Future of the analog world
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High speed, Low dropout, ±1% High output accuracy with On/Off circuit CMOS Voltage Regulator
Rev. E13-01
VRH Series
TAPING AND LOADING SPECIFICATIONS (LLP-4)
(Unit : mm)
4.0±0.1
+0.1
–0
ø1.5
0.25±0.05
2.0±0.05
Mark
ø0.5±0.1
0.75±0.05
4.0±0.1
1.4±0.05
Taping direction
REEL DIMENSIONS (LLP-4)
(Unit : mm)
90°
120°
2.0±0.5
9.0±0.5
(3,000 pcs / reel)
AnaSem
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High speed, Low dropout, ±1% High output accuracy with On/Off circuit CMOS Voltage Regulator
Rev. E13-01
VRH Series
PACKAGE DIMENSIONS (SDFN-4)
(Unit : mm)
0.22±0.05
1.0±0.05
0.48±0.05
0.48±0.05
3
2
4
(Marked Side)
(C0.12)
1
0.65
Recommended land pattern
0.65
0.48
0.48
45°
0.22
AnaSem
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.......... Future of the analog world
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High speed, Low dropout, ±1% High output accuracy with On/Off circuit CMOS Voltage Regulator
Rev. E13-01
VRH Series
TAPING AND LOADING SPECIFICATIONS (SDFN-4)
(Unit : mm)
4.0±0.1
+0.1
–0
ø1.5
0.2±0.1
2.0±0.05
ø0.5±0.1
1.2 Max.
2.0±0.1
1.1
Taping direction
REEL DIMENSIONS (SDFN-4)
(Unit : mm)
90°
120°
2.0±0.5
9.0±0.5
(10,000 pcs / reel)
AnaSem
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AnaSem
AnaSem may change the products described in this data sheet, or may discontinue production or services without
any notice in order to supply the best products through improve the design and performance. Customers are
recommended to obtain the latest data or information before placing orders in order to make sure the data or
information required is the newest. It is necessary for customers to fully understand the products described in this
data sheet and to use it in accordance with its specifications. The products described in this data sheet are not
intended to use for the apparatus which have influence on human lives due to the failure or malfunction of the
products. AnaSem Corp. is not responsible for any support to customer’s application, product design, software
performance, patent infringement or service. AnaSem Corp. does not disclose or imply a guarantee or description
about being licensed based on patents, copy-rights, circuit location license, or other intellectual properties
associated with the devices or combinations in which the products or service of AnaSem Corp. are used or can be
used, or which cover the methods. Customers should not export, directly or indirectly, any products without
obtaining required licenses and approvals in advance from appropriate government agencies.
AnaSem
www.anasemi.com
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High speed, Low dropout, ±1% High output accuracy with On/Off circuit CMOS Voltage Regulator
Rev. E13-01
VRH Series
GENUINE PRODUCT LEGITIMATE LABEL DEFINITION
Green colored Circle “RoHS” Label
Other specific customized Labels
Our internal Outgoing Check Code 3
Ordinary Product Information Bar
Code
Our Internal QR Check Code 2
AnaSem Logo and Brand Name
(Black color Logo)
Our Internal Product Check Code 1
Genuine labels MUST include our
correct contact information as shown
2
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