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Description

The AP7381 series is a positive voltage regulator IC.

The AP7381 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 AP7381 has 3.3V, 5V fixed voltage version.

The AP7381 is available in space-saving SOT89 (Option 2) and TO92 (Ammo Packing) packages.

Application

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

Features

  • Wide Input Voltage Range: Up to 40V
  • Low Dropout Voltage: VDROP = 1000mV@IOUT = 100mA @ 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
IOUT 0.15 A
VIN (Max) 40 V
VIN (Min) 3.3 V
VOUT 2.8, 3.3, 5, 7 V
IQ 2.5 µA
PSRR 60 dB
VDROPOUT (Max) 1.3 V
Operating Temperature (Ambient) -40 to 85
Enable Active N/A
Channels 1

Technical Documents

Recommended Soldering Techniques
Orderable Part Number Authorized Distributor Quantity Inventory Date Buy Online Region
AP7381-28SA-7 Mouser Electronics Inc. 2528 12/15/2019 Buy Now United States
AP7381-28SA-7 Future Electronics - Europe 10 12/14/2019 England
AP7381-28SA-7 RS Components 3000 12/14/2019 Buy Now England
AP7381-28SA-7 RS Components Ltd. 3000 12/14/2019 Buy Now Japan
AP7381-28SA-7 Rutronik GmbH 12 12/12/2019 Buy Now Germany
AP7381-28V-A Mouser Electronics Inc. 1936 12/15/2019 Buy Now United States
AP7381-28V-A RS Components 2000 12/14/2019 Buy Now England
AP7381-28V-A RS Components Ltd. 1 12/14/2019 Buy Now Japan
AP7381-28Y-13 Mouser Electronics Inc. 4800 12/15/2019 Buy Now United States
AP7381-28Y-13 Future Electronics - Asia 2500 12/14/2019 Singapore
AP7381-28Y-13 RS Components 11700 12/14/2019 Buy Now England
AP7381-28Y-13 RS Components Ltd. 11700 12/14/2019 Buy Now Japan
AP7381-33SA-7 Arrow Electronics 4 12/15/2019 Buy Now United States
AP7381-33SA-7 Mouser Electronics Inc. 3721 12/15/2019 Buy Now United States
AP7381-33SA-7 RS Components 4900 12/14/2019 Buy Now England
AP7381-33SA-7 RS Components Ltd. 4900 12/14/2019 Buy Now Japan
AP7381-33V-A Arrow Electronics 1740 12/15/2019 Buy Now United States
AP7381-33V-A Mouser Electronics Inc. 2636 12/15/2019 Buy Now United States
AP7381-33V-A Digi-Key Electronics 1218 12/14/2019 Buy Now United States
AP7381-33V-A RS Components 1950 12/14/2019 Buy Now England
AP7381-33V-A RS Components Ltd. 1 12/14/2019 Buy Now Japan
AP7381-33Y-13 Mouser Electronics Inc. 31406 12/15/2019 Buy Now United States
AP7381-33Y-13 Avnet 2500 12/14/2019 Buy Now United States
AP7381-33Y-13 Digi-Key Electronics 2759 12/14/2019 Buy Now United States
AP7381-33Y-13 Future Electronics - Asia 5000 12/14/2019 Singapore
AP7381-50SA-7 Mouser Electronics Inc. 4778 12/15/2019 Buy Now United States
AP7381-50SA-7 RS Components 7600 12/14/2019 Buy Now England
AP7381-50SA-7 RS Components Ltd. 7600 12/14/2019 Buy Now Japan
AP7381-50V-A Arrow Electronics 1990 12/15/2019 Buy Now United States
AP7381-50V-A Mouser Electronics Inc. 2693 12/15/2019 Buy Now United States
AP7381-50V-A Digi-Key Electronics 2026 12/14/2019 Buy Now United States
AP7381-50V-A RS Components 3475 12/14/2019 Buy Now England
AP7381-50V-A RS Components Ltd. 3475 12/14/2019 Buy Now Japan
AP7381-50Y-13 Avnet EU 5000 12/15/2019 Buy Now Germany
AP7381-50Y-13 Arrow Electronics 180 12/15/2019 Buy Now United States
AP7381-50Y-13 Arrow Electronics Central EU 2500 12/15/2019 Buy Now Germany
AP7381-50Y-13 Mouser Electronics Inc. 13623 12/15/2019 Buy Now United States
AP7381-50Y-13 Digi-Key Electronics 1723 12/14/2019 Buy Now United States
AP7381-50Y-13 Future Electronics - Europe 37500 12/14/2019 England
AP7381-50Y-13 RS Components 11300 12/14/2019 Buy Now England
AP7381-50Y-13 RS Components Ltd. 11300 12/14/2019 Buy Now Japan
AP7381-50Y-13 CEAC International Ltd. 15000 12/3/2019 China
AP7381-70SA-7 Mouser Electronics Inc. 3000 12/15/2019 Buy Now United States
AP7381-70SA-7 RS Components 3000 12/14/2019 Buy Now England
AP7381-70SA-7 RS Components Ltd. 3000 12/14/2019 Buy Now Japan
AP7381-70V-A Mouser Electronics Inc. 1961 12/15/2019 Buy Now United States
AP7381-70V-A RS Components 1950 12/14/2019 Buy Now England
AP7381-70V-A RS Components Ltd. 1950 12/14/2019 Buy Now Japan
AP7381-70Y-13 Mouser Electronics Inc. 2380 12/15/2019 Buy Now United States
AP7381-70Y-13 RS Components 12500 12/14/2019 Buy Now England
AP7381-70Y-13 RS Components Ltd. 5 12/14/2019 Buy Now Japan