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The AP7384 series is a positive voltage regulator IC. The AP7384 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. 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 AP7384 has 2.8V, 3.3V, 5V and 7V fixed voltage version. The AP7384 is available in space-saving SOT89, SOT23 and TO92 (Ammo Packing) packages.


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


  • Wide Input Voltage Range: Up to 40V
  • Low Dropout Voltage: VDROP = 500mV@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
  • Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
  • Halogen and Antimony Free. “Green” Device (Note 3)

Product Specifications

Product Parameters

Features Low IQ, Wide Vin LDO
IOUT 0.05 A
VIN (Max) 40 V
VIN (Min) 3.3 V
VOUT 2.8, 3.3, 5, 7 V
IQ 2.5 µA
VDROPOUT (Max) 0.5 V
Operating Temperature (Ambient) -40 to 85
Enable Active N/A
Channels 1

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Quality & Reliability


Technical Documents

Recommended Soldering Techniques
Orderable Part Number Authorized Distributor Quantity Inventory Date Buy Online Region
AP7384-28V-A Mouser Electronics Inc. 2000 7/17/2019 Buy Now Americas
AP7384-33SA-7 Mouser Electronics Inc. 2342 7/17/2019 Buy Now Americas
AP7384-33V-A Mouser Electronics Inc. 4000 7/17/2019 Buy Now Americas
AP7384-33Y-13 Mouser Electronics Inc. 2127 7/17/2019 Buy Now Americas
AP7384-33Y-13 Digi-Key Electronics 2470 7/16/2019 Buy Now Americas
AP7384-50SA-7 Mouser Electronics Inc. 1533 7/17/2019 Buy Now Americas
AP7384-50V-A Mouser Electronics Inc. 2000 7/17/2019 Buy Now Americas
AP7384-50Y-13 Digi-Key Electronics 2480 7/16/2019 Buy Now Americas
AP7384-70V-A Mouser Electronics Inc. 1900 7/17/2019 Buy Now Americas