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The AP7383 series is a positive voltage regulator IC.

The AP7383 has features of wide input voltage range, high accuracy, low dropout voltage, current limit and ultra-low quiescent current which make it ideal for use in various USB and portable devices and instrument application.

The IC consists of a voltage reference, an error amplifier, a resistor network for setting output voltage, a current limit circuit for current protection, and a chip enable circuit.

The AP7383 is available in 1.8V, 3.0V, 3.3V, 3.6V, 4.15V, 4.4V and 5.0V fixed output voltage versions.


  • E-Meter
  • Battery-powered Equipment
  • Laptop, Palmtops, Notebook Computers
  • Portable Information Appliances


  • Wide Input Voltage Range: Up to 30V
  • Low Dropout Voltage: VDROP = 580mV@IOUT = 50mA @ Vout=3.3V
  • Low Ground Current
  • High Output Voltage Accuracy
  • Compatible with Low ESR Ceramic Capacitor
  • Excellent Line/Load Regulation
  • Thermal Shutdown Function
  • Short Current Protection Function

Product Specifications

Product Parameters

Features Low IQ, Wide Vin LDO
IOUT 0.15 A
VIN (Max) 30 V
VIN (Min) 3.5 V
VOUT 1.8, 3, 3.3, 3.6, 4.15, 4.4, 5 V
IQ 1.8 µA
VDROPOUT (Max) 0.58 V
Operating Temperature (Ambient) -40 to 85
Enable Active H
Channels 1

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Quality & Reliability

Technical Documents

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Orderable Part Number Authorized Distributor Quantity Inventory Date Buy Online Region
AP7383-30W5-7 Mouser Electronics Inc. 2990 5/24/2019 Buy Now Americas
AP7383-33W5-7 Mouser Electronics Inc. 120 5/24/2019 Buy Now Americas
AP7383-33Y-13 Digi-Key Electronics 2480 5/24/2019 Buy Now Americas
AP7383-50WR-7 Mouser Electronics Inc. 2999 5/24/2019 Buy Now Americas
AP7383-50Y-13 Digi-Key Electronics 2500 5/24/2019 Buy Now Americas
AP7383-50Y-13 Mouser Electronics Inc. 2490 5/24/2019 Buy Now Americas