AP131_09 [DIODES]
300mA LOW DROPOUT LINEAR REGULATOR WITH; 300mA低压差线性稳压器与
| 型号： | AP131_09 |
| 厂家： | 
DIODES INCORPORATED |
| 描述： | 300mA LOW DROPOUT LINEAR REGULATOR WITH |
| 文件： | 总7页 (文件大小：119K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
AP131
300mA LOW DROPOUT LINEAR REGULATOR WITH
SHUTDOWN
General Description
Features
The AP131 is a 300mA, fixed output voltage, low dropout linear
regulator. The Device included pass element, error amplifier,
band-gap, current limit and thermal shutdown circuitry. The
device is ON when the EN pin is set to logic high level.
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Input Voltage Range is from 2.7 to 5.5V
Dropout Voltage 400mV at 300mA Output Current
Guaranteed 300mA Output Current
Internal Ron = 1.5Ω PMOS draws no Base Current
Low Quiescent Current 50µA
Output Voltage: 1.5V/1.8V/2.0V/2.5V/2.8V/
2.9V/3.0V/3.3V/ 3.5V; Accuracy 2%
Active Low Shutdown Function (EN pin)
Fast Transient Response
Good Load Regulation
Current Limit and Thermal Shutdown Protection
Short Circuit Current Fold-Back
Lead Free package: SOT25
SOT25: Available in “Green” Molding Compound
(No Br, Sb)
The characteristics of low dropout voltage and less quiescent
current make it good for some critical current applications, for
example, some battery powered devices. The typical quiescent
current is approximately 50µA from zero to maximum load. Due
to the internal flexible design, it results in extensively fixed output
voltage versions and makes it convenient to use for applications.
Built-in current-limit and thermal-shutdown functions prevent any
fault condition from IC damage. An external capacitor can be
connected to the BP pin and reduce the output noise.
•
Lead Free Finish/RoHS Compliant (Note 1)
Applications
•
•
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Battery Powered Device
Wireless Communication
CD-ROM, DVD, and LAN Card
PC Peripheral
Ordering Information
AP131 - XX W X - 7
Package
Lead Free
Packing
Output Voltage
15:1.5V
18:1.8V
20:2.0V
W : SOT25
7 : Tape & Reel
L : Lead Free
G : Green
25:2.5V
28:2.8V
29:2.9V
30:3.0V
33:3.3V
35:3.5V
7” Tape and Reel
Packaging
(Note 2)
Package
Device
Code
Quantity
Part Number Suffix
3000/Tape & Reel
3000/Tape & Reel
-7
-7
W
W
SOT25
SOT25
AP131-XXWL-7
AP131-XXWG-7
Lead-free
Notes:
1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at
http://www.diodes.com/products/lead_free.html.
2. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at
http://www.diodes.com/datasheets/ap02001.pdf.
AP131 Rev. 7
1 of 7
FEBRUARY 2009
www.diodes.com
© Diodes Incorporated
AP131
300mA LOW DROPOUT LINEAR REGULATOR WITH
SHUTDOWN
Pin Assignment
( Top View )
IN
1
2
3
OUT
BP
5
EN
4
SOT25
Pin Description
Pin Name
Description
Input Voltage
IN
GND
EN
Ground
Enable Pin
Band-gap
BP
OUT
Output Voltage
Block Diagram
IN
OUT
Error
Amp
Current
Limit
-
+
EN
Enable
Bandgap
1.08V
Thermal
Shutdown
GND
BP
AP131 Rev. 7
2 of 7
FEBRUARY 2009
www.diodes.com
© Diodes Incorporated
AP131
300mA LOW DROPOUT LINEAR REGULATOR WITH
SHUTDOWN
Absolute Maximum Ratings
Symbol
Parameter
Rating
Unit
VCC
TOP
TST
Input Voltage
Operating Junction Temperature Range
Storage Temperature Range
+6
V
ºC
ºC
-40 to +125
-65 to +150
PD
Power Dissipation, PD @ TA = 25ºC SOT25
250
mW
Recommended Operating Conditions
Symbol
Parameter
Min
Max
Unit
VIN
Input Voltage
2.7
5.5
V
IOUT
TA
Output Current
0
300
85
mA
Operating Ambient Temperature
-40
°C
AP131 Rev. 7
3 of 7
www.diodes.com
FEBRUARY 2009
© Diodes Incorporated
AP131
300mA LOW DROPOUT LINEAR REGULATOR WITH
SHUTDOWN
Electrical Characteristics
TA = 25ºC, CIN = 1µF, COUT = 10µF, unless otherwise specified.
Symbol
VDROP
ILIMIT
Parameter
Dropout Voltage (Note 3)
Current Limit (Note 4)
Short Circuit Current
Conditions
IL = 300mA
Min
Typ.
400
450
150
Max
500
-
Unit
mV
mA
mA
-
350
-
VIN = 5V, VOUT = 0V
VOUT < 1.05V
Ishort
300
I
OUT=1mA, VIN =( VOUT +1V )
ΔVLINE
Line Regulation
-
0.1
0.3
%/V
to 5.5V
ΔVLOAD
Load Regulation (Note 5)
Output Voltage Accuracy
IL = 1~300mA, VIN = 5V
-
30
-
35
+2
mV
%
IL = 1mA, VIN = 5V
-2
ΔVOUT
Output Voltage Temperature
Coefficient (Note 6)
PPM/
ºC
-
50
150
F = 100Hz,
PSRR
Ripple Rejection
CIN = 1μF, CO = 10uF,
IL = 100mA
-
60
-
dB
ISB
IQ
Standby Current
Quiescent Current
Enable Pin Current
IL = 0mA, VIN = 5V, EN = 0V
IL = 0mA, VIN = 5V, EN = 5V
-
-
-
50
-
5
μA
μA
μA
V
100
< 0.1
VIN
IEN
-
VENON
VENOFF
TDELAY
Output ON
1.5
0
-
Enable Pin Voltage
Enable Delay Time
Output OFF
-
0.8
V
CBP = 0.1μF, COUT = 1μF,
IOUT = 30mA
-
8
-
μS
Thermal Resistance
Junction-to-Ambient
θJA
SOT25 (Note 7)
SOT25 (Note 7)
163
53
OC/W
OC/W
Thermal Resistance
Junction-to-Case
θJC
Notes:
3. Dropout voltage is defined as the input to output differential voltage. Dropout is measured at constant junction temperature by using pulsed ON
time, and the criterion is VOUT inside target value ±2%. This test is skipped at the condition of VIN<3V.
4. Current limit is measured at constant junction temperature by using pulsed testing with a low ON time.
5. Regulation is measured at constant junction temperature by using pulsed testing with a low ON time.
6. Guaranteed by design.
7. Test conditions for SOT25: Device mounted on FR-4 substrate PC board, 2oz copper, with minimum recommended pad layout.
AP131 Rev. 7
4 of 7
FEBRUARY 2009
www.diodes.com
© Diodes Incorporated
AP131
300mA LOW DROPOUT LINEAR REGULATOR WITH
SHUTDOWN
Typical Characteristics
AP131 PSRR vs. Frequency
AP131 V
vs. Load Current
out
70
3.095
3.09
3.085
3.08
3.075
3.07
3.065
3.06
3.055
3.05
3.045
3.04
3.035
3.03
3.025
3.02
65
60
55
50
45
40
35
30
25
20
15
10
5
0
0
30 60 90 120 150 180 210 240 270 300 330
10
100
1K
10K
100K
1M
Load Current (uA)
Frequency (Hz)
AP131 GND Current vs. Input Voltage
AP131 Dropout vs. Load
VOUT=3.3V
55
50
45
40
35
30
25
20
15
10
5
450
400
350
300
250
200
150
100
50
0
0
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
5.5
6
0
50
100
150
200
250
300
Input Voltage (V)
Load (Io) (mA)
Typical Application Circuit
ON
EN
OFF
AP131
EN
VOUT
IN
GND
OUT
BP
V
IN
CIN
COUT
10uF
1uF
CBP
0.1uF
AP131 Rev. 7
5 of 7
www.diodes.com
FEBRUARY 2009
© Diodes Incorporated
AP131
300mA LOW DROPOUT LINEAR REGULATOR WITH
SHUTDOWN
Marking Information
(1) SOT25
( Top View )
5
1
4
XX : Identification code
Y : Year 0~9
W X
XX Y
W : Week : A~Z : 1~26 week;
a~z : 27~52 week; z represents
52 and 53 week
X : a~z : Lead Free
2
3
A~Z : Green
Part Number
Package
Identification Code
AP131-15W
AP131-18W
AP131-20W
AP131-25W
AP131-28W
AP131-29W
AP131-30W
AP131-33W
AP131-35W
SOT25
SOT25
SOT25
SOT25
SOT25
SOT25
SOT25
SOT25
SOT25
DA
DD
DF
DK
DN
DO
DP
DS
DU
Package Information (All Dimensions in mm)
AP131 Rev. 7
6 of 7
FEBRUARY 2009
www.diodes.com
© Diodes Incorporated
AP131
300mA LOW DROPOUT LINEAR REGULATOR WITH
SHUTDOWN
IMPORTANT NOTICE
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes without further
notice to any product herein. Diodes Incorporated does not assume any liability arising out of the application or use of any product described herein; neither
does it convey any license under its patent rights, nor the rights of others. The user of products in such applications shall assume all risks of such use and will
agreeto hold Diodes Incorporatedand all the companieswhose products are represented onour website, harmlessagainst all damages.
LIFE SUPPORT
Diodes Incorporated productsare not authorizedfor use as criticalcomponents in lifesupport devices or systemswithout theexpressed written approval of the
President of DiodesIncorporated.
AP131 Rev. 7
7 of 7
FEBRUARY 2009
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© Diodes Incorporated
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