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PAM3131 Datasheet

3A ADJUSTABLE LOW VOLTAGE LOW DROPOUT CMOS REGULATOR

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A Product Line of
Diodes Incorporated
PAM3131
3A ADJUSTABLE LOW VOLTAGE LOW DROPOUT CMOS REGULATOR
Description
The PAM3131 is a 3A CMOS adjustable LDO regulator that features
a low quiescent current, ultra low input, output, and dropout voltages,
as well as over temperature protection. It is available in TO-263 and
PSOP-8 (Exposed Pad) packages. The output voltage is adjustable
from 0.9V to 3.3V. The PAM3131 is stable with a ceramic output
capacitor of 1.0μF or higher.
This family of regulators can provide either a stand alone power
supply solution or act as a post regulator for switch mode power
supplies. They are particularly well suited for applications requiring
low input and output voltages.
Pin Assignments
Features
Low-Dropout Regulator Supports Input Voltages Down to 1.4V
Low Dropout Voltage: 300mV@ 3A
Output Voltage Adjustable from 0.9V-3.3V
Stable with a Ceramic Output Capacitor of 1.0μF or Higher
Low Quiescent Current
Current Limit
Over Temperature Shutdown
Short Circuit Current Protection
Low Temperature Coefficient
Standard TO-263 and PSOP-8 (Exposed Pad) Packages
Pb-Free Package
Applications
DSP, FPGA, and Microprocessor Power Supplies
1.2V Core Voltage for DSPs
SATA Power Supply
LCD TV/ Monitors
Wireless Devices
Communication Devices
Portable Electronics
Post Regulator for SMPS
Typical Applications Circuit
PAM3131
Document number: DSxxxxx Rev. 1 - 1
1 of 14
www.diodes.com
October 2012
© Diodes Incorporated


Diodes Semiconductor Electronic Components Datasheet

PAM3131 Datasheet

3A ADJUSTABLE LOW VOLTAGE LOW DROPOUT CMOS REGULATOR

No Preview Available !

Pin Description
Pin Name
VIN
EN
ADJ
VOUT
GND
PWRGD
Pin Number
TO263-5L
PSOP-8(EPD)
12
23
46
57
3 1, 4, 8
—5
Function
Input
Enable Pin
Adjustable Pin
Output
Ground
Power Good
Functional Block Diagram
A Product Line of
Diodes Incorporated
PAM3131
Absolute Maximum Ratings (@TA = +25°C, unless otherwise specified.)
These are stress ratings only and functional operation is not implied. Exposure to absolute maximum ratings for prolonged time periods may
affect device reliability. All voltages are with respect to ground.
Parameter
Input Voltage
Output Pin Voltage
Operation Temperature Range
Operation Junction Range
Maximum Output Current
Storage Temperature
Maximum Junction Temperature
Soldering Temperature
Rating
4.0
-0.3 to VIN +0.3
-40 to +85
-40 to +125
PD/(VIN–VO)
-65 to +150
150
300, (5sec)
Unit
V
V
°C
°C
°C
°C
°C
PAM3131
Document number: DSxxxxx Rev. 1 - 1
2 of 14
www.diodes.com
October 2012
© Diodes Incorporated


Part Number PAM3131
Description 3A ADJUSTABLE LOW VOLTAGE LOW DROPOUT CMOS REGULATOR
Maker Diodes
Total Page 14 Pages
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