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PAM3131 데이터시트 PDF




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부품번호 PAM3131 기능
기능 3A ADJUSTABLE LOW VOLTAGE LOW DROPOUT CMOS REGULATOR
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PAM3131 데이터시트, 핀배열, 회로
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




PAM3131 pdf, 반도체, 판매, 대치품
A Product Line of
Diodes Incorporated
PAM3131
Electrical Characteristics (@TA = +25°C, VIN = VO +1V, CIN = 4.7µF, CO = 4.7µF, unless otherwise specified.)
Parameter
Symbol
Test Conditions
Min Typ Max Units
Input Voltage Range
ADJ Reference Voltage
Dropout Voltage
Short Circuit Current
Output Current
Quiescent Current
Ground Pin Current
Line Regulation
Load Regulation
Over Temperature Shutdown
Over Temperature Hysteresis
VIN
VREF
VDROP
ISC
IO
IQ
IGND
LNR
LDR
OTS
OTH
IO = 100mA
IO = 500mA
IO = 3.0A
VO < 0.3V
VO = 0.9V
VO = 1.0V
2.5V > VO 1.2V
VO 2.5V
VO = 0.9V
VO = 1.0V
2.5V > VO 1.2V
VO 2.5V
IO = 0mA
VO > 0.8V
VO 2.5V, IO = 10mA
VIN = VO +0.5V to VO +1.5V
VO > 2.5V, IO = 10mA
VIN = 3.3V to 3.6V
IO = 1mA to 3.0A, VIN = VO +0.5A
Note 1
0.882
3.0
0.900
330
220
50
40
500
400
350
300
1.0
90
3.6
0.918
500
400
200
150
Note 2
150
1.0
V
V
mV
A
A
µA
mA
0.2 1.0 %/V
0.5 2 %/A
150 °C
50 °C
Temperature Coefficient
Power Supply Ripple Rejection
TC
PSRR
IO = 100mA, VO = 1.5V
f = 100Hz
f = 1kHz
40 ppm/°C
64
dB
58
Output Noise
Vn f = 10Hz to 100kHz
40 µVRMS
Notes:
1. The minimum input voltage ( ) of the PAM3131 is determined by output voltage and dropout voltage. The minimum input voltage is defined as:
2. Output current is limited by PD, maximum IO = PD/(VIN(MAX) -VO).
PAM3131
Document number: DSxxxxx Rev. 1 - 1
4 of 14
www.diodes.com
October 2012
© Diodes Incorporated

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PAM3131 전자부품, 판매, 대치품
A Product Line of
Diodes Incorporated
PAM3131
Typical Performance Characteristics (cont.) (@TA = +25°C, CIN =4.7µF, CO = 2.2µF, unless otherwise specified.)
PAM3131
Document number: DSxxxxx Rev. 1 - 1
7 of 14
www.diodes.com
October 2012
© Diodes Incorporated

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관련 데이터시트

부품번호상세설명 및 기능제조사
PAM3130

3A Low Voltage-Low Dropout CMOS Regulator

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PAM3131

3A ADJUSTABLE LOW VOLTAGE LOW DROPOUT CMOS REGULATOR

Diodes
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