R5323N021B-TR-FE [RICOH]
Fixed Positive LDO Regulator,;
| 型号： | R5323N021B-TR-FE |
| 厂家： | 
RICOH ELECTRONICS DEVICES DIVISION |
| 描述： | Fixed Positive LDO Regulator, 输出元件 调节器 |
| 文件： | 总24页 (文件大小：376K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
R5323x SERIES
Non-promotion
150mA Dual LDO REGULATOR
OUTLINE
NO.EA-089-130419
The R5323x Series are CMOS-based voltage regulator ICs with high output voltage accuracy, low supply
current, low dropout, and high ripple rejection. Each of these voltage regulator ICs consists of a voltage
reference unit, an error amplifier, resistors for setting Output Voltage, a current limit circuit, and a chip enable
circuit.
These ICs perform with low dropout voltage due to built-in transistor with low ON resistance, and a chip enable
function prolongs the battery life of each system. The line transient response and load transient response of the
R5323x Series are excellent, thus these ICs are very suitable for the power supply for hand-held communication
equipment.
The output voltage of these ICs is internally fixed with high accuracy. Since the packages for these ICs are
SOT-23-6, DFN(PLP)1820-6 and WLCSP-6-P1 package, dual LDO regulators are included in each package,
high density mounting of the ICs on boards is possible.
FEATURES
• Supply Current......................................................... Typ. 90μA (VR1, VR2)
• Standby Mode.......................................................... Typ. 0.1μA (VR1, VR2)
• Dropout Voltage ....................................................... Typ. 0.22V (IOUT=150mA , VOUT=3.0V)
>
• Ripple Rejection....................................................... Typ.75dB(VOUT 2.4V),Typ.70dB(VOUT 2.5V), (f
=
1kHz)
2.5V), (f 10kHz)
=
=
=
>
Typ.65dB(VOUT
2.4V),Typ.60dB(VOUT
=
=
• Input Voltage Range ................................................ 2.0V to 6.0V
Output Voltage Range.............................................. 1.5V to 4.0V (0.1V steps)
•
..................................................................................... (For details, please refer to MARK INFORMATIONS.)
• Output Voltage Accuracy.......................................... ±2.0%
• Temperature-drift Coefficient of Output Voltage....... Typ. ±100ppm/°C
• Line Regulation........................................................ Typ.0.02%/V
• Built-in fold-back protection circuit........................... Typ. 40mA (Current at short mode)
•
Packages ................................................................ WLCSP-6-P1, DFN(PLP)1820-6, SOT-23-6
• Ceramic Capacitor is recommended........................ 1.0μF or more
• Built-in chip enable circuit (A/B: active high)
APPLICATIONS
• Power source for handheld communication equipment.
• Power source for electrical appliances such as cameras, VCRs and camcorders.
• Power source for battery-powered equipment.
1
R5323x
Non-promotion
BLOCK DIAGRAMS
R5323xxxxA
CE1
VOUT1
R1_1
R2_1
Error Amp.
Vref
Current Limit
VDD
GND
R1_2
Error Amp.
Vref
R2_2
Current Limit
CE2
VOUT2
R5323xxxxB
CE1
V
OUT1
R1_1
Error Amp.
Vref
R2_1
Current Limit
VDD
GND
R1_2
Error Amp.
Vref
R2_2
Current Limit
CE2
V
OUT2
2
R5323x
Non-promotion
SELECTION GUIDE
The output voltage, auto discharge function, package, etc. for the ICs can be selected at the user’s request.
Product Name
R5323Zxxx∗-TR-F
R5323Kxxx∗-TR
Package
WLCSP-6-P1
DFN(PLP)1820-6
SOT-23-6
Quantity per Reel
3,000 pcs
Pb Free
Yes
Halogen Free
Yes
Yes
Yes
3,000 pcs
Yes
3,000 pcs
Yes
R5323Nxxx∗-TR-FE
xxx : The combination of output voltage for each channel can be designated by serial numbers. (from 001)
The output voltage for each channel can be set in the range from 1.5V to 4.0V in 0.1V steps.
(For details, please refer to MARK INFORMATIONS.)
∗
: The auto discharge function at off state are options as follows.
(A) without auto discharge function at off state
(B) with auto discharge function at off state
The products scheduled to be discontinued : "Non-promotion"
These products will be discontinued in the future. We advise you to select other products.
3
R5323x
Non-promotion
PIN CONFIGURATION
• WLCSP-6-P1
• DFN（PLP）1820-6
Top View Bottom View
• SOT-23-6
Mark Side
Bump Side
6
5
4
4
5
6
6
5
4
1
2
3
6
5
4
6
5
4
1
2
3
(mark side)
1
2
3
3
2
1
1
2
3
PIN DESCRIPTIONS
• WLCSP-6-P1
Pin No
Symbol
Pin Description
1
2
3
4
5
6
VOUT1
VDD
Output Pin 1
Input Pin
VOUT2
CE2
GND
CE1
Output Pin 2
Chip Enable Pin 2 ("H" Active)
Ground Pin
Chip Enable Pin 1 ("H" Active)
• DFN(PLP)1820-6
Pin No
Symbol
VOUT2
VDD
Pin Description
1
2
3
4
5
6
Output Pin 2
Input Pin
VOUT1
GND
CE1
Output Pin 1
Ground Pin
Chip Enable Pin 1 ("H" Active)
Chip Enable Pin 2 ("H" Active)
CE2
∗）パッケージ裏面のタブの電位は基板電位(GND)です。
GND端子と接続する(推奨)か、オープンとしてください。
4
R5323x
Non-promotion
• SOT-23-6
Pin No
Symbol
VOUT1
VDD
Pin Description
1
2
3
4
5
6
Output Pin 1
Input Pin
VOUT2
CE2
Output Pin 2
Chip Enable Pin 2 ("H" Active)
Ground Pin
GND
CE1
Chip Enable Pin 1 ("H" Active)
ABSOLUTE MAXIMUM RATINGS
Symbol
VIN
Item
Rating
6.5
Unit
V
Input Voltage
VCE
Input Voltage (CE Pin)
V
−0.3 to 6.5
−0.3 to VIN + 0.3
200
VOUT
IOUT1
IOUT2
Output Voltage
V
Output Current 1
mA
mA
Output Current 2
200
Power Dissipation (WLCSP-6-P1)
Power Dissipation (DFN(PLP)1820-6) *
Power Dissipation (SOT-23-6) *
Operating Temperature Range
Storage Temperature Range
633
PD
mW
880
420
Topt
Tstg
−40 to 85
−55 to 125
°C
°C
∗) For Power Dissipation, please refer to PACKAGE INFORMATION.
ABSOLUTE MAXIMUM RATINGS
Electronic and mechanical stress momentarily exceeded absolute maximum ratings may cause the
permanent damages and may degrade the life time and safety for both device and system using the device
in the field.
The functional operation at or over these absolute maximum ratings is not assured.
RECOMMENDED OPERATING CONDITIONS (ELECTRICAL CHARACTERISTICS)
All of electronic equipment should be designed that the mounted semiconductor devices operate within the
recommended operating conditions. The semiconductor devices cannot operate normally over the
recommended operating conditions, even if when they are used over such conditions by momentary
electronic noise or surge. And the semiconductor devices may receive serious damage when they continue
to operate over the recommended operating conditions.
5
R5323x
Non-promotion
ELECTRICAL CHARACTERISTICS
• R5323xxxxA/B
Topt=25°C
Symbol
Item
Conditions
Min.
×0.98
150
Typ. Max. Unit
VIN−VOUT=1.0V
VOUT
Output voltage
V
×1.02
1mA
IOUT
30mA
=
IOUT
Output Current
Load regulation
mA
mV
VIN−VOUT=1.0V
ΔVOUT/
ΔIOUT
VIN=Set VOUT+1V
15
40
1mA
IOUT
150mA
=
0.38
0.35
0.33
0.32
0.28
0.22
90
0.70
0.65
0.60
0.55
0.50
0.35
120
VOUT=1.5
VOUT=1.6
VOUT=1.7
VDIF
Dropout Voltage
V
IOUT=150mA
1.8V
2.1V
2.8V
VOUT
VOUT
VOUT
2.0V
2.7V
4.0V
=
=
=
=
=
=
ISS
Supply Current
Standby Current
VIN−VOUT=1.0V
μA
μA
VIN−VOUT=1.0V
VCE=GND
Istandby
0.1
1.0
ΔVOUT/
ΔVIN
Set VOUT+0.5V VIN 6.0V
IOUT=30mA
=
Line regulation
0.02
75
0.10
%/V
Ripple 0.5Vp-p
VIN−VOUT=1.0V,
f=1kHz
Note1
∗
RR
Ripple Rejection
Input Voltage
dB
V
IOUT=30mA
(In case that VOUT 1.7V,
VIN−VOUT=1.2V, IOUT=30mA)
65
f=10kHz
Note2
∗
VIN
2.0
6.0
ppm
/°C
ΔVOUT/
ΔTopt
Output Voltage
Temperature Coefficient
IOUT=30mA
−40°C Topt 85°C
±100
ISC
RPD
VCEH
VCEL
en
Short Current Limit
Pull-down resistance for CE pin
CE Input Voltage “H”
CE Input Voltage “L”
Output Noise
40
mA
MΩ
V
VOUT=0V
0.7
1.5
0
2.0
8.0
6.0
0.3
V
30
60
BW=10Hz to 100kHz
VCE=0V
μVrms
Low Output Nch Tr. ON
Resistance (of B version)
RLOW
Ω
>
∗Note1: f=1kHz, 70dB as to VOUT 2.5V Output type.
=
>
∗Note2: f=10kHz, 60dB as to VOUT 2.5V Output type.
=
6
R5323x
Non-promotion
TYPICAL APPLIATION
OUT2
OUT1
CE2
V
R5323x
Series
OUT2
C3
IN
VDD
GND
C1
CE1
V
OUT1
C2
C1=C2=C3=Ceramic 1.0μF
TECHNICAL NOTES
When using these ICs, consider the following points:
Phase Compensation
In these ICs, phase compensation is made for securing stable operation even if the load current is varied. For
this purpose, use a capacitor C2 and C3 with good frequency characteristics and ESR (Equivalent Series
Resistance).
(Note: If additional ceramic capacitors are connected with parallel to the output pin with an output capacitor for
phase compensation, the operation might be unstable. Because of this, test these ICs with as same external
components as ones to be used on the PCB.)
PCB Layout
Make VDD and GND lines sufficient. If their impedance is high, noise pickup or unstable operation may result.
Connect a capacitor C1 with a capacitance value as much as 1.0μF or more between VDD and GND pin, and as
close as possible to the pins.
Set external components, especially the output capacitor C2 and C3, as close as possible to the ICs, and
make wiring as short as possible.
7
R5323x
Non-promotion
TEST CIRCUIT
CE2
V
OUT2
CE2
V
OUT2
C3
VOUT2
IOUT2
C3
R5323x
Series
R5323x
Series
V
VDD
GND
VDD
GND
ISS
A
CE1
VOUT1
CE1
VOUT1
IOUT1
C1
C2
C1
VOUT1
C2
V
C1=C2=C3=Ceramic 1.0μF
Fig.1 Standard test Circuit
C1=C2=C3=Ceramic 1.0μF
Fig.2 Supply Current Test Circuit
CE2
V
OUT2
CE2
V
OUT2
C3
R5323x
Series
I
OUT2
C3
R5323x
Series
I
OUT2a
V
DD
GND
V
DD
GND
Pulse
Generator
I
OUT2b
CE1
VOUT1
C1
IOUT1b
IOUT1a
CE1
VOUT1
I
OUT1
PG
C2
C2
C2=C3=Ceramic 1.0μF
C1=C2=C3=Ceramic 1.0μF
Fig.4 Load Transient Response Test Circuit
Fig.3 Ripple Rejection, Line Transient Response
Test Circuit
8
R5323x
Non-promotion
TYPICAL CHARACTERISTICS
1) Output Voltage vs. Output Current (Topt=25°C)
1.5V (VR1)
1.5V (VR2)
1.6
1.6
1.4
1.2
1
V
IN=3.5V
VIN=3.5V
1.4
1.2
1
V
IN=1.8V
V
IN=1.8V
V
IN=2.0V
V
IN=2.0V
0.8
0.6
0.4
0.2
0
0.8
0.6
0.4
0.2
0
V
IN=2.5V
V
IN=2.5V
0
0
0
100
200
300
400
0
0
0
100
200
300
400
Output Current IOUT(mA)
Output Current IOUT(mA)
2.8V (VR1)
2.8V (VR2)
3
2.5
2
3
2.5
2
V
IN=3.1V
V
IN=3.1V
V
IN=4.8V
V
IN=4.8V
1.5
1
1.5
1
0.5
0
0.5
0
100
200
300
400
100
200
300
400
Output Current IOUT(mA)
Output Current IOUT(mA)
4.0V (VR1)
4.0V (VR2)
5
4
3
2
1
0
5
4
3
2
1
0
V
IN=6.0V
V
IN=6.0V
V
IN=4.3V
V
IN=4.3V
100
200
300
400
100
200
300
400
Output Current IOUT(mA)
Output Current IOUT(mA)
9
R5323x
Non-promotion
2) Output Voltage vs. Input Voltage (Topt=25°C)
1.5V (VR1)
1.5V (VR2)
1.6
1.5
1.4
1.3
1.2
1.1
1
1.6
1.5
1.4
1.3
1.2
1mA
30mA
50mA
1mA
30mA
50mA
1.1
1
1
1
1
2
2
2
3
4
5
6
6
6
1
1
1
2
2
2
3
4
5
6
6
6
Input Voltage VIN(V)
Input Voltage VIN(V)
2.8V (VR1)
2.8V (VR2)
2.9
2.9
2.8
2.7
2.6
2.5
2.4
2.3
2.2
2.1
2
2.8
2.7
2.6
2.5
2.4
2.3
2.2
2.1
2
1mA
30mA
50mA
1mA
30mA
50mA
3
4
5
3
4
5
Input Voltage VIN(V)
Input Voltage VIN(V)
4.0V (VR1)
4.0V (VR2)
4.2
4
4.2
4
3.8
3.6
3.4
3.2
3
3.8
3.6
3.4
3.2
3
1mA
30mA
50mA
1mA
30mA
50mA
3
4
5
3
4
5
Input Voltage VIN(V)
Input Voltage VIN(V)
10
R5323x
Non-promotion
3) Dropout Voltage vs. Output Current
1.5V (VR1)
1.5V (VR2)
0.6
0.6
0.5
0.4
0.3
0.2
0.1
0
Topt= 85°C
Topt= 85°C
25°C
25°C
0.5
0.4
0.3
0.2
0.1
0
-40°C
-40°C
0
25
50
75
100 125 150
0
25
50
75
100 125 150
Output Current IOUT(mA)
Output Current IOUT(mA)
2.8V (VR1)
2.8V (VR2)
0.4
0.4
Topt= 85°C
25°C
Topt= 85°C
25°C
0.35
0.3
0.35
0.3
-40°C
-40°C
0.25
0.2
0.25
0.2
0.15
0.1
0.15
0.1
0.05
0
0.05
0
0
25
50
75
100 125 150
0
25
50
75
100 125 150
Output Current IOUT(mA)
Output Current IOUT(mA)
4.0V (VR1)
4.0V (VR2)
0.4
0.4
Topt= 85°C
25°C
Topt= 85°C
25°C
0.35
0.3
0.35
0.3
-40°C
-40°C
0.25
0.2
0.25
0.2
0.15
0.1
0.15
0.1
0.05
0
0.05
0
0
25
50
75
100 125 150
0
25
50
75
100 125 150
Output Current IOUT(mA)
Output Current IOUT(mA)
11
R5323x
Non-promotion
4) Output Voltage vs. Temperature
1.5V (VR1)
1.5V (VR2)
V
IN=2.5V, IOUT=30mA
V
IN=2.5V, IOUT=30mA
1.54
1.53
1.52
1.51
1.50
1.49
1.48
1.47
1.46
1.54
1.53
1.52
1.51
1.50
1.49
1.48
1.47
1.46
-50
-25
-25
-25
0
25
50
75
100
-50
-25
-25
-25
0
25
50
75
100
Temperature Topt(°C
)
Temperature Topt(°C)
2.8V (VR1)
2.8V (VR2)
V
IN=3.8V, IOUT=30mA
V
IN=3.8V, IOUT=30mA
2.86
2.84
2.82
2.86
2.84
2.82
2.80
2.78
2.76
2.74
2.80
2.78
2.76
2.74
-50
0
25
50
75
100
-50
0
25
50
75
100
Temperature Topt(°C
)
Temperature Topt(°C
)
4.0V (VR1)
4.0V (VR2)
V
IN=5.0V, IOUT=30mA
VIN=5.0V, IOUT=30mA
4.08
4.06
4.04
4.02
4.00
3.98
3.96
3.94
3.92
4.08
4.06
4.04
4.02
4.00
3.98
3.96
3.94
3.92
-50
0
25
50
75
100
-50
0
25
50
75
100
Temperature Topt(°C
)
Temperature Topt(°C
)
12
R5323x
Non-promotion
5) Supply Current vs. Input Voltage (Topt=25°C)
1.5V
2.8V
100
100
80
60
40
20
0
80
60
40
20
VR1
VR2
VR1
VR2
0
0
1
2
3
4
5
6
0
1
2
3
4
5
6
Input Voltage VIN(V)
Input Voltage VIN(V)
4.0V
100
80
60
40
20
0
VR1
VR2
0
1
2
3
4
5
6
Input Voltage VIN(V)
6) Supply Current vs. Temperature
1.5V (VR1)
1.5V (VR2)
V
IN=2.5V
V
IN=2.5V
100
100
80
60
40
20
0
80
60
40
20
0
-50
-25
0
25
50
75
100
-50
-25
0
25
50
75
100
Temperature Topt(°C
)
Temperature Topt(°C
)
13
R5323x
Non-promotion
2.8V (VR1)
2.8V (VR2)
V
IN=3.8V
VIN=3.8V
100
100
80
60
40
20
80
60
40
20
0
0
-50
-25
0
25
50
75
100
-50
-25
0
25
50
75
100
Temperature Topt(°C
)
Temperature Topt(°C)
4.0V (VR1)
4.0V (VR2)
V
IN=5.0V
VIN=5.0V
100
100
80
60
40
20
80
60
40
20
0
0
-50
-25
0
25
50
75
100
-50
-25
0
25
50
75
100
Temperature Topt(°C
)
Temperature Topt(°C)
7) Dropout Voltage vs. Set Output Voltage (Topt=25°C)
VR1
VR2
0.6
0.6
0.5
0.4
0.3
0.2
0.1
10mA
30mA
50mA
10mA
30mA
50mA
0.5
0.4
0.3
0.2
0.1
150mA
150mA
0
0
1
2
3
4
1
2
3
4
Set Output Voltage Vreg(
V
)
Set Output Voltage Vreg(V)
14
R5323x
Non-promotion
8) Ripple Rejection vs. Frequency (Topt=25°C)
1.5V (VR1)
1.5V (VR2)
V
IN=2.5V+0.5Vp-p, COUT=Ceramic 1.0μF
VIN=2.5V+0.5Vp-p, COUT=Ceramic 1.0μF
90
80
70
90
80
70
60
50
40
30
20
10
0
60
50
40
30
20
10
0
I
I
I
OUT=1mA
OUT=30mA
OUT=150mA
I
I
I
OUT=1mA
OUT=30mA
OUT=150mA
0.1
1
10
100
0.1
1
10
100
Frequency f(kHz)
Frequency f(kHz)
1.5V (VR1)
1.5V (VR2)
V
IN=2.5V+0.5Vp-p, COUT=Ceramic 2.2μF
VIN=2.5V+0.5Vp-p, COUT=Ceramic 2.2μF
90
90
80
70
80
70
60
50
40
30
20
10
0
60
50
40
30
20
10
0
I
I
I
OUT=1mA
OUT=30mA
OUT=150mA
I
I
I
OUT=1mA
OUT=30mA
OUT=150mA
0.1
1
10
100
0.1
1
10
100
Frequency f(kHz)
Frequency f(kHz)
2.8V (VR1)
2.8V (VR2)
V
IN=3.8V+0.5Vp-p, COUT=Ceramic 1.0μF
VIN=3.8V+0.5Vp-p, COUT=Ceramic 1.0μF
90
80
70
90
80
70
60
50
40
30
20
10
0
60
50
40
30
20
10
0
I
I
I
OUT=1mA
OUT=30mA
OUT=150mA
I
I
I
OUT=1mA
OUT=30mA
OUT=150mA
0.1
1
10
100
0.1
1
10
100
Frequency f(kHz)
Frequency f(kHz)
15
R5323x
Non-promotion
2.8V (VR1)
2.8V (VR2)
V
IN=3.8V+0.5Vp-p, COUT=Ceramic 2.2μF
V
IN=3.8V+0.5Vp-p, COUT=Ceramic 2.2μF
90
80
70
90
80
70
60
50
40
30
20
10
0
60
50
40
30
20
10
0
I
I
I
OUT=1mA
OUT=30mA
OUT=150mA
I
I
I
OUT=1mA
OUT=30mA
OUT=150mA
0.1
1
10
100
0.1
1
10
100
Frequency f(kHz)
Frequency f(kHz)
4.0V (VR1)
4.0V (VR2)
V
IN=5.0V+0.5Vp-p, COUT=Ceramic 1.0μF
VIN=5.0V+0.5Vp-p, COUT=Ceramic 1.0μF
90
90
80
70
80
70
60
50
40
30
20
10
0
60
50
40
30
20
10
0
I
I
I
OUT=1mA
OUT=30mA
OUT=150mA
I
I
I
OUT=1mA
OUT=30mA
OUT=150mA
0.1
1
10
100
0.1
1
10
100
Frequency f(kHz)
Frequency f(kHz)
4.0V (VR1)
4.0V (VR2)
V
IN=5.0V+0.5Vp-p, COUT=Ceramic 2.2μF
VIN=5.0V+0.5Vp-p, COUT=Ceramic 2.2μF
90
80
70
90
80
70
60
50
40
30
20
10
0
60
50
40
30
20
10
0
I
I
I
OUT=1mA
OUT=30mA
OUT=150mA
I
I
I
OUT=1mA
OUT=30mA
OUT=150mA
0.1
1
10
100
0.1
1
10
100
Frequency f(kHz)
Frequency f(kHz)
16
R5323x
Non-promotion
9) Ripple Rejection vs. Input Voltage (DC bias) (COUT=Ceramic 1.0μF, Topt=25°C)
2.8V (VR1) 2.8V (VR2)
I
OUT=1mA
IOUT=1mA
100
90
80
70
60
50
40
30
20
10
0
100
90
80
70
60
50
40
30
20
10
0
f=1kHz
f=10kHz
f=100kHz
f=1kHz
f=10kHz
f=100kHz
2.9
3
3.1
3.2
3.3
2.9
3
3.1
3.2
3.3
Input Voltage VIN(V)
Input Voltage VIN(V)
2.8V (VR1)
2.8V (VR2)
I
OUT=30mA
I
OUT=30mA
100
90
80
70
60
50
40
30
20
10
0
100
90
80
70
60
50
40
30
20
10
0
f=1kHz
f=10kHz
f=100kHz
f=1kHz
f=10kHz
f=100kHz
2.9
3
3.1
3.2
3.3
2.9
3
3.1
3.2
3.3
Input Voltage VIN(V)
Input Voltage VIN(V)
2.8V (VR1)
2.8V (VR2)
I
OUT=50mA
I
OUT=50mA
100
90
80
70
60
50
40
30
20
10
0
100
90
80
70
60
50
40
30
20
10
0
f=1kHz
f=10kHz
f=100kHz
f=1kHz
f=10kHz
f=100kHz
2.9
3
3.1
3.2
3.3
2.9
3
3.1
3.2
3.3
Input Voltage VIN(V)
Input Voltage VIN(V)
17
R5323x
Non-promotion
10) Input Transient Response (IOUT=30mA, tr=tf=5μs)
R5323N001x(2.8V, VR1)
I
OUT=30mA, tr=tf=5μs, COUT=Ceramic 1.0μF
2.85
2.84
6
5
V
IN
2.83
2.82
4
3
2.81
2.80
2.79
2
1
0
V
OUT
0
0
0
10
10
10
20
20
20
30
40
50
Time T(μs)
60
70
80
90
100
R5323N001x(2.8V, VR1)
Topt=25°C, COUT=Ceramic 2.2μF
2.85
2.84
6
5
V
IN
2.83
2.82
4
3
2.81
2.80
2.79
2
1
0
V
OUT
30
40
50
Time T(μs)
60
70
80
90
100
R5323N001x(2.8V, VR1)
Topt=25°C, COUT=Ceramic 4.4μF
2.85
2.84
6
5
V
IN
2.83
2.82
4
3
2.81
2.80
2.79
2
1
0
V
OUT
30
40
50
Time T(μs)
60
70
80
90
100
18
R5323x
Non-promotion
R5323N001x(2.8V, VR2)
Topt=25°C, COUT=Ceramic 1.0μF
2.85
2.84
6
5
VIN
2.83
2.82
4
3
2.81
2.80
2.79
2
1
0
VOUT
0
0
0
10
10
10
20
20
20
30
40
50
60
70
80
90
100
Time T(μs)
R5323N001x(2.8V, VR2)
Topt=25°C, COUT=Ceramic 2.2μF
2.85
2.84
6
5
V
IN
2.83
2.82
4
3
2.81
2.80
2.79
2
1
0
V
OUT
30
40
50
Time T(μs)
60
70
80
90
100
R5323N001x(2.8V, VR2)
Topt=25°C, COUT=Ceramic 4.4μF
2.85
2.84
6
5
V
IN
2.83
2.82
4
3
2.81
2.80
2.79
2
1
0
V
OUT
30
40
50
Time T(μs)
60
70
80
90
100
19
R5323x
Non-promotion
11) Load Transient Response
2.8V (VR1)
2.8V (VR1)
C
IN=Ceramic 1.0µF, COUT=Ceramic 2.2µF
C
IN=Ceramic 1.0μF, COUT=Ceramic 1.0μF
3.00
2.95
2.90
2.85
2.80
2.75
2.70
2.85
2.80
2.75
2.70
150
100
50
150
100
50
I
OUT1
I
OUT1
2.85
2.80
2.75
0
0
V
V
OUT1
V
V
OUT1
2.85
2.80
2.75
OUT2
OUT2
I
OUT2=30mA
15 20
I
OUT2=30mA
15 20
0
5
10
0
5
10
Time T(μs)
Time T(µs)
2.8V (VR1)
2.8V (VR2)
C
IN=Ceramic 1.0μF, COUT=Ceramic 4.4μF
CIN=Ceramic 1.0µF, COUT=Ceramic 1.0µF
3.00
2.95
2.90
2.85
2.80
2.75
2.70
2.85
2.80
2.75
2.70
150
100
50
3.00
2.95
2.90
2.85
2.80
2.75
2.70
2.85
2.80
2.75
2.70
150
100
50
I
OUT1
IOUT2
0
0
V
V
OUT1
V
V
OUT1
I
OUT1=30mA
OUT2
OUT2
I
OUT2=30mA
15
0
5
10
20
0
5
10
15
20
Time T(μs)
Time T(µs)
2.8V (VR2)
2.8V (VR2)
C
IN=Ceramic 1.0μF, COUT=Ceramic 2.2μF
CIN=Ceramic 1.0μF, COUT=Ceramic 4.4μF
3.00
2.95
2.90
2.85
2.80
2.75
2.70
2.85
2.80
2.75
2.70
150
100
50
3.00
2.95
2.90
2.85
2.80
2.75
2.70
2.85
2.80
2.75
2.70
150
100
50
I
OUT2
IOUT2
0
0
V
V
OUT1
V
V
OUT1
I
OUT1=30mA
IOUT1=30mA
OUT2
OUT2
0
5
10
15
20
0
5
10
15
20
Time T(μs)
Time T(μs)
20
R5323x
Non-promotion
12) Minimum Operating Voltage
1.5V Minimum Operating Voltage Range
2.3
2.2
2.1
2
1.9
1.8
1.7
V
V
DD
1.6
1.5
IN(MIN)
0
75
Output Current IOUT(mA)
150
21
R5323x
Non-promotion
ESR vs. Output Current
Ceramic type output capacitor is recommended for this series; however, the other output capacitors with low
ESR also can be used. The relations between IOUT (Output Current) and ESR of an output capacitor are shown
below. The conditions when the white noise level is under 40μV (Avg.) are marked as the hatched area in the
graph
Measurement conditions
Frequency Band : 10Hz to 2MHz (BW=30Hz)
Temperature
: 25°C
R5323N/K 1.5V (VR1)
R5323N/K 1.5V (VR2)
V
IN=2.5V
VIN=2.5V
C
IN=COUT=Ceramic 1.0
μF
CIN=COUT=Ceramic 1.0
μF
100
10
100
10
1
1
0.1
0.1
0.01
0
0.01
50
100
150
0
50
100
150
Output Current IOUT(mA)
Output Current IOUT(mA)
R5323N/K 2.8V (VR1)
R5323N/K 2.8V (VR2)
VIN=3.8V
V
IN=3.8V
C
IN=COUT=Ceramic 1.0μF
C
IN=COUT=Ceramic 1.0μF
100
10
100
10
1
1
0.1
0.1
0.01
0
0.01
50
100
150
0
50
100
150
Output Current IOUT(mA)
Output Current IOUT(mA)
22
R5323x
Non-promotion
R5323Z 1.5V (VR1/VR2)
R5323Z 2.8V (VR1/VR2)
V
IN=2.5V
V
IN=3.8V
C
IN=COUT=Ceramic 1.0μF
CIN=COUT=Ceramic 1.0μF
100
10
100
10
1
1
0.1
0.01
0.1
0.01
0
50
100
150
0
50
100
150
Output Current IOUT(mA)
Output Current IOUT(mA)
23
1.The products and the product specifications described in this document are subject to change or
discontinuation of production without notice for reasons such as improvement. Therefore, before
deciding to use the products, please refer to Ricoh sales representatives for the latest
information thereon.
2.The materials in this document may not be copied or otherwise reproduced in whole or in part
without prior written consent of Ricoh.
3.Please be sure to take any necessary formalities under relevant laws or regulations before
exporting or otherwise taking out of your country the products or the technical information
described herein.
4.The technical information described in this document shows typical characteristics of and
example application circuits for the products. The release of such information is not to be
construed as a warranty of or a grant of license under Ricoh's or any third party's intellectual
property rights or any other rights.
5.The products listed in this document are intended and designed for use as general electronic
components in standard applications (office equipment, telecommunication equipment,
measuring instruments, consumer electronic products, amusement equipment etc.). Those
customers intending to use a product in an application requiring extreme quality and reliability,
for example, in a highly specific application where the failure or misoperation of the product
could result in human injury or death (aircraft, spacevehicle, nuclear reactor control system,
traffic control system, automotive and transportation equipment, combustion equipment, safety
devices, life support system etc.) should first contact us.
6.We are making our continuous effort to improve the quality and reliability of our products, but
semiconductor products are likely to fail with certain probability. In order to prevent any injury to
persons or damages to property resulting from such failure, customers should be careful enough
to incorporate safety measures in their design, such as redundancy feature, firecontainment
feature and fail-safe feature. We do not assume any liability or responsibility for any loss or
damage arising from misuse or inappropriate use of the products.
7.Anti-radiation design is not implemented in the products described in this document.
8.Please contact Ricoh sales representatives should you have any questions or comments
concerning the products or the technical information.
For the conservation of the global environment, Ricoh is advancing the decrease of the negative environmental impact material.
After Apr. 1, 2006, we will ship out the lead free products only. Thus, all products that will be shipped from now on comply with RoHS Directive.
Basically after Apr. 1, 2012, we will ship out the Power Management ICs of the Halogen Free products only. (Ricoh Halogen Free products are
also Antimony Free.)
Halogen Free
RICOH COMPANY, LTD.
Electronic Devices Company
http://www.ricoh.com/LSI/
RICOH COMPANY, LTD.
Electronic Devices Company
● Higashi-Shinagawa Office (International Sales)
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