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Diodes Semiconductor Electronic Components Datasheet

AP131 Datasheet

LOW DROPOUT LINEAR REGULATOR

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Features
AP131
300mA LOW DROPOUT LINEAR REGULATOR WITH
SHUTDOWN
General Description
Input Voltage Range is from 2.7 to 5.5V
Dropout Voltage 400mV at 300mA Output Current
Guaranteed 300mA Output Current
Internal Ron = 1.5PMOS 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)
Lead Free Finish/RoHS Compliant (Note 1)
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.
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.
Applications
Battery Powered Device
Wireless Communication
CD-ROM, DVD, and LAN Card
PC Peripheral
Ordering Information
AP131 - XX W X - 7
Output Voltage
15:1.5V
18:1.8V
20:2.0V
25:2.5V
28:2.8V
29:2.9V
30:3.0V
33:3.3V
35:3.5V
Package
W : SOT25
Lead Free
L : Lead Free
G : Green
Packing
7 : Tape & Reel
Device
AP131-XXWL-7
Lead-free
AP131-XXWG-7
Package
Code
W
W
Packaging
(Note 2)
SOT25
SOT25
7” Tape and Reel
Quantity
Part Number Suffix
3000/Tape & Reel
-7
3000/Tape & Reel
-7
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
www.diodes.com
FEBRUARY 2009
© Diodes Incorporated


Diodes Semiconductor Electronic Components Datasheet

AP131 Datasheet

LOW DROPOUT LINEAR REGULATOR

No Preview Available !

Pin Assignment
Pin Description
AP131
300mA LOW DROPOUT LINEAR REGULATOR WITH
SHUTDOWN
( Top View )
IN 1
2
EN 3
5 OUT
4 BP
SOT25
Pin Name
IN
GND
EN
BP
OUT
Description
Input Voltage
Ground
Enable Pin
Band-gap
Output Voltage
Block Diagram
IN
Current
Limit
EN Enable
Thermal
Shutdown
Error
Amp
-+
Bandgap 1.08V
BP
AP131 Rev. 7
2 of 7
www.diodes.com
OUT
GND
FEBRUARY 2009
© Diodes Incorporated



Part Number AP131
Description LOW DROPOUT LINEAR REGULATOR
Maker Diodes Incorporated
Total Page 7 Pages
PDF Download

AP131 Datasheet PDF





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