NCP187AMT080TAG [ONSEMI]
Voltage Regulator - Low Iq, Low Dropout, Power Good Output;
| 型号： | NCP187AMT080TAG |
| 厂家： | 
ONSEMI |
| 描述： | Voltage Regulator - Low Iq, Low Dropout, Power Good Output |
| 文件： | 总10页 (文件大小：320K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Voltage Regulator - Low Iq,
Low Dropout, Power Good
Output
1.2 A
NCP187
www.onsemi.com
The NCP187 is 1.2 A LDO Linear Voltage Regulator. It is a very
stable and accurate device with low quiescent current consumption
(typ. 30 mA over the full temperature range), low dropout, low output
noise and very good PSRR. The regulator incorporates several
protection features such as Thermal Shutdown, Soft Start, Current
Limiting and also Power Good Output signal for easy MCU
interfacing.
WDFN6/WDFNW6 2x2
CASES 511BR & 511DW
Features
• Operating Input Voltage Range: 1.5 V to 5.5 V
• Adjustable and Fixed Voltage Options Available: 0.8 V to 5.2 V
• Low Quiescent Current: typ. 30 mA over Temperature
MARKING DIAGRAM
XXMG
•
2% Accuracy Over Full Load, Line and Temperature variations
G
• PSRR: 75 dB at 1 kHz
• Low Noise: typ. 15 mV
from 10 Hz to 100 kHz
RMS
XX
M
G
= Specific Device Code
= Month Code
= Pb−Free Package
• Stable With Small 10 mF Ceramic Capacitor
• Soft−start to Reduce Inrush Current and Overshoots
• Thermal Shutdown and Current Limit Protection
• Power Good Signal Extends Application Range
• Available in WDFN6 and WDFNW6 2x2, 0.5P Packages
• This is Pb−free Device
(Note: Microdot may be in either location)
PIN CONNECTIONS
Typical Applications
• Wireless Chargers
• Portable Equipment
• Smart Camera and Robotic Vision Systems
• Telecommunication and Networking Systems
WDFN6, WDFNW6 2x2 mm
(Top View)
V
V
OUT
IN
IN
OUT
SNS
NCP187
GND
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 7 of this data sheet.
C
C
10 mF
Ceramic
1 mF
Ceramic
IN
OUT
PG
EN
ON
OFF
Figure 1. Typical Application Schematic
© Semiconductor Components Industries, LLC, 2018
1
Publication Order Number:
August, 2020 − Rev. 2
NCP187/D
NCP187
PIN FUNCTION DESCRIPTION
Pin No.
Pin Name
IN
Description
1
6
Input pin. A small capacitor is needed from this pin to ground to assure stability
OUT
Regulated output voltage pin. A small 10 mF ceramic capacitor is needed from this pin to ground to as-
sure stability
3, EXP
2
GND
EN
Power supply ground
Enable pin. Driving this pin high turns on the regulator. Driving EN pin low puts the regulator into shut-
down mode
5
4
SNS
PG
Sense pin. Connect this pin to regulated output voltage or resistor divider (adjustable version)
Power Good, open collector. Use 10 kΩ to 100 kΩ pull−up resistor connected to output or input voltage
ABSOLUTE MAXIMUM RATINGS
Ratings
Symbol
Value
−0.3 to 6
−0.3 to 6
30
Unit
V
Input Voltage (Note 1)
V
IN
EN
PG
Enable Voltage
V
V
Power Good Current
I
mA
V
Power Good Voltage
V
PG
−0.3 to 6
Output Voltage
V
OUT
−0.3 to V + 0.3 (max. 5.5)
V
IN
Output Short Circuit Duration
Maximum Junction Temperature
Storage Temperature
t
Indefinite
150
s
SC
T
°C
°C
V
J(MAX)
T
STG
−55 to 150
2000
ESD Capability, Human Body Model (Note 2)
ESD Capability, Machine Model (Note 2)
ESD
HBM
ESD
200
V
MM
Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality
should not be assumed, damage may occur and reliability may be affected.
1. Refer to ELECTRICAL CHARACTERISTIS and APPLICATION INFORMATION for Safe Operating Area.
2. This device series incorporates ESD protection and is tested by the following methods:
ESD Human Body Model tested per AEC−Q100−002 (EIA/JESD22−A114)
ESD Machine Model tested per AEC−Q100−003 (EIA/JESD22−A115)
Latch up Current Maximum Rating tested per JEDEC standard: JESD78
THERMAL CHARACTERISTICS
Rating
Symbol
Value
Unit
Thermal Characteristics, WDFN6/WDFNW6, 2x2 mm
R
65
°C/W
q
JA
Thermal Resistance, Junction−to−Air
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2
NCP187
ELECTRICAL CHARACTERISTICS (−40°C ≤ T ≤ 125°C; VIN = V
+1.0 V; I
= 10 mA, C = 1 mF, C = 10 mF, unless
OUT
J
OUT
OUT
IN
otherwise noted. Typical values are at T = +25°C. (Note 4))
J
Parameter
Test Conditions
Symbol
Min
1.5
Typ
Max
5.5
Unit
V
Operating Input Voltage
Output Voltage Accuracy
VIN
−40°C ≤ T ≤ 125°C,
V
V
< 1.7 V
V
OUT
−35 mV
−2 %
+35 mV
+2 %
V
J
OUT
V
+1 V < V < 5.5 V,
OUT
IN
≥ 1.7 V
0 mA < I
< 1.2 A
OUT
OUT
Reference Voltage
Line Regulation
Load Regulation
Dropout voltage
V
0.8
40
V
REF
V
+ 1 V ≤ V ≤ 5.5 V, I
= 1 mA
Reg
mV/V
OUT
IN
OUT
LINE
LOAD
DO
I
= 0 mA to 1.2 A
Reg
2
mV/mA
OUT
V
OUT
= V – (V
– 3%)
1.2 V – 1.4 V
1.5 V – 1.7 V
1.8 V – 2.7 V
2.8 V – 3.2 V
3.3 V – 4.9 V
5 V
V
325
240
200
165
150
120
1750
1850
0.1
30
495
400
335
250
220
180
mV
DO
IN
OUT(NOM)
I
= 1.2 A
Maximum Output Current
Short Circuit Current
Disable Current
(Note 5)
(Note 5)
I
1300
mA
mA
mA
OUT
I
SC
V
= 0 V
I
5.0
45
EN
OUT
OUT
DIS
Quiescent Current
Ground current
I
I
= 0 mA
= 1.2 A
I
Q
mA
I
2
mA
dB
GND
Power Supply Rejection
Ratio
V
V
OUT
= 3.5 V + 100 mVpp
f = 1 kHz
PSRR
75
IN
OUT
= 2.5 V
= 10 mA, C
I
= 1 mF
OUT
Output Noise Voltage
VOUT = 1.8 V, IOUT = 10 mA
f = 10 Hz to 100 kHz
V
N
15
mV
rms
Enable Input Threshold
Voltage
Voltage increasing
Voltage decreasing
V
0.9
−
−
−
V
EN_HI
V
−
0.3
EN_LO
EN Pin Current
V
V
= 5.5 V
100
120
nA
EN
Active Output Discharge
Resistance
= 5.5 V, V = 0 V
R
DIS
W
IN
EN
Power Good, Output
Voltage Raising
V
92
80
%
%
V
PGup
PGdw
Power Good, Output
Voltage Falling
V
Power Good Output
Voltage Low
I
= 6 mA, Open drain
V
0.14
170
15
0.4
PG
PGlo
Thermal Shutdown
Temperature (Note 3)
Temperature increasing from T = +25°C
T
°C
°C
J
SD
Thermal Shutdown
Hysteresis (Note 3)
Temperature falling from TSD
T
−
−
SDH
Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product
performance may not be indicated by the Electrical Characteristics if operated under different conditions.
3. Guaranteed by design and characterization.
4. Performance guaranteed over the indicated operating temperature range by design and/or characterization production tested at T = T
J
A
= 25_C. Low duty cycle pulse techniques are used during testing to maintain the junction temperature as close to ambient as possible.
5. Respect SOA.
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3
NCP187
TYPICAL CHARACTERISTICS
1.220
1.215
1.210
1.205
1.200
1.195
1.820
V
I
C
= 2.2 V
= 1 mA
V
I
C
= 2.8 V
= 1 mA
IN
IN
1.815
1.810
1.805
1.800
1.795
1.790
OUT
OUT
= 10 mF
= 10 mF
OUT
OUT
1.190
1.785
1.780
1.185
1.180
−40 −20
0
20
40
60
80 100 120 140
−40 −20
0
20
40
60
80 100 120 140
TEMPERATURE (°C)
TEMPERATURE (°C)
Figure 2. Output Voltage vs. Temperature –
OUT = 1.2 V
Figure 3. Output Voltage vs. Temperature –
VOUT = 1.8 V
V
3.320
3.315
3.310
3.305
3.300
3.295
3.290
450
425
400
375
350
325
300
275
250
V
I
C
= 4.3 V
= 1 mA
IN
V
= 1.2 V
= 1.2 A
= 10 mF
OUT
OUT
I
OUT
= 10 mF
OUT
C
OUT
3.285
3.280
225
200
−40 −20
0
20
40
60
80 100 120 140
−40 −20
0
20
40
60
80 100 120 140
TEMPERATURE (°C)
TEMPERATURE (°C)
Figure 4. Output Voltage vs. Temperature –
OUT = 3.3 V
Figure 5. Dropout Voltage vs. Temperature –
VOUT = 1.2 V
V
325
300
275
250
225
200
175
150
125
240
220
200
180
160
140
120
100
80
V
I
C
= 3.3 V
= 1.2 A
= 10 mF
V
I
C
= 1.8 V
= 1.2 A
= 10 mF
OUT
OUT
OUT
OUT
OUT
OUT
100
75
60
40
−40 −20
−40 −20
0
20
40
60
80 100 120 140
0
20
40
60
80 100 120 140
TEMPERATURE (°C)
TEMPERATURE (°C)
Figure 6. Dropout Voltage vs. Temperature –
OUT = 1.8 V
Figure 7. Dropout Voltage vs. Temperature –
VOUT = 3.3 V
V
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4
NCP187
TYPICAL CHARACTERISTICS
40
38
36
34
32
30
28
26
24
3.0
V
= nom.
= 0 mA
= 10 mF
V
= nom.
= 1.2 A
= 10 mF
OUT
OUT
OUT
2.8
2.6
2.4
2.2
2.0
1.8
1.6
1.4
I
I
OUT
OUT
C
C
OUT
22
20
−40 −20
1.2
1.0
−40 −20
0
20
40
60
80 100 120 140
0
20
40
60
80 100 120 140
TEMPERATURE (°C)
TEMPERATURE (°C)
Figure 8. Quiescent Current vs. Temperature
Figure 9. Ground Current vs. Temperature
2000
1950
1900
1850
1800
1750
1700
1650
1600
0.80
0.75
0.70
0.65
0.60
0.55
0.50
V
C
= nom.
= 10 mF
OUT
OUT
Output ON
Output OFF
0.45
0.40
1550
1500
−40 −20
0
20
40
60
80 100 120 140
−40 −20
0
20
40
60
80 100 120 140
TEMPERATURE (°C)
TEMPERATURE (°C)
Figure 10. Current Limit vs. Temperature
Figure 11. Enable Thresholds vs. Temperature
96
94
92
90
88
86
84
135
134
133
132
131
130
129
128
127
EN = low
C
= 10 mF
OUT
V
= rising
OUT
to nominal
V
OUT
= falling
from nominal
82
80
126
125
−40 −20
0
20
40
60
80 100 120 140
−40 −20
0
20
40
60
80 100 120 140
TEMPERATURE (°C)
TEMPERATURE (°C)
Figure 12. Power Good Thresholds vs.
Temperature
Figure 13. Active Discharge Resistance vs.
Temperature
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5
NCP187
TYPICAL CHARACTERISTICS
100
90
80
70
60
50
40
30
20
1K
100
10
1
10
0
0.01
0.1
1
10
100
1K
10K
10
100
1K
10K
100K
1M
FREQUENCY (kHz)
FREQUENCY (Hz)
Figure 14. Power Supply Rejection Ratio
for VOUT = 1.8 V, IOUT = 10 mA, COUT = 10 mF
Figure 15. Output Voltage Noise Spectral Density
for VOUT = 1.8 V, IOUT = 10 mA, COUT = 10 mF
APPLICATIONS INFORMATION
The NCP187 is the member of new family of high output
current and low dropout regulators which delivers low
quiescent and ground current consumption, good noise and
power supply ripple rejection ratio performance. The
NCP187 incorporates EN pin and power good output for
simple controlling by MCU or logic. Standard features
include current limiting, soft−start feature and thermal
protection.
operating current is between 10 mA and 1 mA to obtain low
saturation voltage. External pull−up resistor can be
connected to any voltage up to 5.5 V (please see Absolute
Maximum Ratings table above).
Power Dissipation and Heat Sinking
The maximum power dissipation supported by the device
is dependent upon board design and layout. Mounting pad
configuration on the PCB, the board material, and the
ambient temperature affect the rate of junction temperature
rise for the part. For reliable operation junction temperature
should be limited to +125_C. The maximum power
dissipation the NCP187 can handle is given by:
Input Decoupling (CIN)
It is recommended to connect at least 1 mF ceramic X5R
or X7R capacitor between IN and GND pin of the device.
This capacitor will provide a low impedance path for any
unwanted AC signals or noise superimposed onto constant
input voltage. The good input capacitor will limit the
influence of input trace inductances and source resistance
during sudden load current changes. Higher capacitance and
lower ESR capacitors will improve the overall line transient
response.
ƪT
ƫ
J(MAX) * TA
PD(MAX)
+
(eq. 1)
RqJA
The power dissipated by the NCP187 for given
application conditions can be calculated from the following
equations:
ǒ
Ǔ
ǒ
Ǔ
PD [ VIN IGND(IOUT) ) IOUT VIN * VOUT
(eq. 2)
Output Decoupling (COUT)
The NCP187 does not require a minimum Equivalent
Series Resistance (ESR) for the output capacitor. The device
is designed to be stable with standard ceramics capacitors
with values of 4.7 mF or greater. Recommended capacitor for
the best performance is 10 mF. The X5R and X7R types have
the lowest capacitance variations over temperature thus they
are recommended.
or
ǒ
Ǔ
PD(MAX) ) VOUT IOUT
VIN(MAX)
[
(eq. 3)
IOUT ) IGND
Hints
VIN and GND printed circuit board traces should be as
wide as possible. When the impedance of these traces is
high, there is a chance to pick up noise or cause the regulator
to malfunction. Place external components, especially the
output capacitor, as close as possible to the NCP187, and
make traces as short as possible.
Power Good Output Connection
The NCP187 include Power Good functionality for better
interfacing to MCU system. Power Good output is open
collector type, capable to sink up to 10 mA. Recommended
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6
NCP187
ADJUSTABLE VERSION
Not only adjustable version, but also any fixed version can
be used to create adjustable voltage, where original fixed
voltage becomes reference voltage for resistor divider and
feedback loop. Output voltage can be equal or higher than
original fixed option, while possible range is from 0.8 V up
to 5.2 V. Picture below shows how to add external resistors
to increase output voltage above fixed value.
where V
is voltage of original fixed version (from 0.8 V
FIX
up to 5.2 V). Do not operate the device at output voltage
about 5.2 V, as device can be damaged.
In order to avoid influence of current flowing into SNS pin
to output voltage accuracy (SNS current varies with voltage
option and temperature, typical value is 300 nA) it is
recommended to use values of R1 and R2 below 500 kW.
Output voltage is then given by equation:
VOUT + VFIX (1 ) R1ńR2)
V
IN
V
OUT
IN
OUT
NCP187
ADJ or FIX version
R1
R2
1 mF
Ceramic
10 mF
Ceramic
C
IN
EN
GND
SNS
C
OUT
ON
OFF
Figure 16.
Please note that output noise is amplified by V
ratio. For example, if original 0.8 V fixed variant is used to
create 3.6 V output voltage, output noise is increased
/ V
recommended to use as high fixed variant as possible – for
example in case above it is better to use 3.3 V fixed variant
to create 3.6 V output voltage, as output noise will be
OUT
FIX
3.6/0.8 = 4.5 times and real value will be 4.5 × 15 mV
=
amplified only 3.6/3.3 = 1.09 × (16.4 mV ).
rms
rms
67.5ĂmV . For noise sensitive applications it is
rms
ORDERING INFORMATION
Device part no.
NCP187AMTADJTAG
NCP187AMT080TAG
NCP187AMT120TAG
NCP187AMT330TAG
NCP187AMTWADJTAG
Voltage Option
ADJ.
Marking
TA
Option
Package
Shipping†
0.8V
TC
With Active Output
Discharge
WDFN6 2x2 non WF
(Pb−Free)
1.2V
TJ
3000 / Tape & Reel
3.3V
TL
ADJ.
L2
WDFNW6 2x2 WF
SLP
With Active Output
Discharge
NCP187AMTW080TAG
0.8V
LG
(Pb−Free)
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
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7
MECHANICAL CASE OUTLINE
PACKAGE DIMENSIONS
WDFN6 2x2, 0.65P
CASE 511BR
ISSUE B
DATE 19 JAN 2016
SCALE 4:1
NOTES:
1. DIMENSIONING AND TOLERANCING PER ASME
Y14.5M, 1994.
2. CONTROLLING DIMENSION: MILLIMETERS.
3. DIMENSION b APPLIES TO PLATED TERMINAL AND
IS MEASURED BETWEEN 0.15 AND 0.25 mm FROM
THE TERMINAL TIP.
A3
EXPOSED Cu
MOLD CMPD
D
A
B
A1
ALTERNATE B−1
ALTERNATE B−2
4. COPLANARITY APPLIES TO THE EXPOSED PAD AS
WELL AS THE TERMINALS.
5. FOR DEVICES CONTAINING WETTABLE FLANK
OPTION, DETAIL A ALTERNATE CONSTRUCTION
A-2 AND DETAIL B ALTERNATE CONSTRUCTION
B-2 ARE NOT APPLICABLE.
DETAIL B
PIN ONE
ALTERNATE
REFERENCE
E
CONSTRUCTIONS
0.10
C
L
L
MILLIMETERS
DIM
A
MIN
0.70
0.00
MAX
0.80
0.05
0.10
C
L1
TOP VIEW
A1
A3
b
ALTERNATE A−1
ALTERNATE A−2
0.20 REF
0.25
1.50
0.35
DETAIL A
A3
DETAIL B
D
2.00 BSC
0.05
C
C
ALTERNATE
D2
E
1.70
CONSTRUCTIONS
2.00 BSC
A
E2
e
0.90
1.10
0.65 BSC
L
0.20
---
0.40
0.15
0.05
6X
A1
L1
SEATING
PLANE
NOTE 4
C
SIDE VIEW
D2
GENERIC
MARKING DIAGRAM*
1
DETAIL A
L
1
XX M
3
XX = Specific Device Code
M
= Date Code
E2
*This information is generic. Please refer to
device data sheet for actual part marking.
Pb−Free indicator, “G” or microdot “ G”,
may or may not be present.
6
4
6X b
M
M
0.10
0.05
C
C
A
B
e
RECOMMENDED
MOUNTING FOOTPRINT
NOTE 3
BOTTOM VIEW
6X
1.72
0.45
1.12
2.30
PACKAGE
OUTLINE
1
0.65
6X
0.40
PITCH
DIMENSIONS: MILLIMETERS
Electronic versions are uncontrolled except when accessed directly from the Document Repository.
Printed versions are uncontrolled except when stamped “CONTROLLED COPY” in red.
DOCUMENT NUMBER:
DESCRIPTION:
98AON55829E
WDFN6 2X2, 0.65P
PAGE 1 OF 1
ON Semiconductor and
are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries.
ON Semiconductor reserves the right to make changes without further notice to any products herein. ON Semiconductor makes no warranty, representation or guarantee regarding
the suitability of its products for any particular purpose, nor does ON Semiconductor assume any liability arising out of the application or use of any product or circuit, and specifically
disclaims any and all liability, including without limitation special, consequential or incidental damages. ON Semiconductor does not convey any license under its patent rights nor the
rights of others.
© Semiconductor Components Industries, LLC, 2019
www.onsemi.com
MECHANICAL CASE OUTLINE
PACKAGE DIMENSIONS
WDFNW6 2x2, 0.65P
CASE 511DW
ISSUE B
DATE 15 JUN 2018
SCALE 4:1
GENERIC
MARKING DIAGRAM*
XXMG
G
M
= Month Code
G
= Pb−Free Package
(Note: Microdot may be in either location)
*This information is generic. Please refer to
device data sheet for actual part marking.
Pb−Free indicator, “G” or microdot “ G”,
may or may not be present. Some products
may not follow the Generic Marking.
Electronic versions are uncontrolled except when accessed directly from the Document Repository.
Printed versions are uncontrolled except when stamped “CONTROLLED COPY” in red.
DOCUMENT NUMBER:
DESCRIPTION:
98AON79327G
WDFNW6 2x2, 0.65P
PAGE 1 OF 1
ON Semiconductor and
are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries.
ON Semiconductor reserves the right to make changes without further notice to any products herein. ON Semiconductor makes no warranty, representation or guarantee regarding
the suitability of its products for any particular purpose, nor does ON Semiconductor assume any liability arising out of the application or use of any product or circuit, and specifically
disclaims any and all liability, including without limitation special, consequential or incidental damages. ON Semiconductor does not convey any license under its patent rights nor the
rights of others.
© Semiconductor Components Industries, LLC, 2018
www.onsemi.com
ON Semiconductor and
are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries.
ON Semiconductor owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of ON Semiconductor’s product/patent
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