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1A Low Dropout Adjustable and Fixed-Mode Regulator with ENABLE

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The AP7361C is a 1A, adjustable and fixed output voltage, ultra-low dropout linear regulator with enable. The device includes pass element, error amplifier, band-gap reference, current limit and thermal shutdown circuitry. The device is turned on when EN pin is set to logic high level.

The characteristics of the low dropout voltage and low quiescent current make it suitable for low to medium power applications, for example, laptop computers, audio and video applications, and battery powered devices. The typical quiescent current is approximately 60µA. Built-in current-limit and thermal-shutdown functions prevent IC from damage in fault conditions.


  • Wide Input Voltage Range: 2.2V – 6.0V
  • Output Voltage Accuracy: ±1%
  • Very Low Dropout Voltage (3.3V): 360mV at 1A
  • TypicalLow Quiescent Current (IQ): 60µA
  • TypicalAdjustable Output Voltage Range: 0.8V to 5.0V
  • Fixed Output Options: 1.0V, 1.2V, 1.5V, 1.8V, 2.5V, 2.8V and 3.3V
  • High PSRR: 75dB @ 1kHz
  • Current Limiting 1.5AFold-back
  • Short Circuit Protection, 400mA


  • LCD-TV, Monitor
  • Set-Top-Box
  • Home Electrical Appliances

Product Specifications

Product Parameters

Compliance (Only Automotive supports PPAP) Standard
Output options Adjustable & Fixed
Iout (A) 1
Vin (Max) (V) 6
Vin (Min) (V) 2.2
Vout (min) 0.8
Vout (max) 6
Fixed Vout (V) 1.0, 1.2, 1.5, 1.8, 2.5, 2.8, 3.3
Adjustabe VFB (V) 0.8
Iq (typ) (µA) 60
Accuracy 25C 1%
VDROPOUT (Max) (V) at Max Current and Max Ouput Voltage 0.528
PSRR (dB) 1kHz 75
Operating Temperature (Ambient) (°C) -40 to 85 (°C)
Enable Active H
Channels 1
Output Discharge yes
Iq (max)(µA) 80
VCTL function no

Technical Documents

Recommended Soldering Techniques




Product Change Notices (PCNs)

A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.

PCN # Issue Date Implementation Date Subject
PCN-2512 2021-04-16 2021-07-16 Qualified Additional Assembly & Test (A/T) Site
PCN-2400 2019-05-20 2019-08-20 Additional Qualified (AT) Assembly Test Site