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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

TN1.pdf

Orderable Part Number Authorized Distributor Quantity Inventory Date Buy Online Region
AP7381-28SA-7 Mouser Electronics Inc. 2232 8/4/2020 Buy Now United States
AP7381-28SA-7 RS Components 2900 8/4/2020 Buy Now England
AP7381-28SA-7 Rutronik GmbH 12 8/4/2020 Buy Now Germany
AP7381-28SA-7 Future Electronics - Europe 10 8/3/2020 England
AP7381-28SA-7 RS Components Ltd. 2900 8/2/2020 Buy Now Japan
AP7381-28V-A Mouser Electronics Inc. 1920 8/4/2020 Buy Now United States
AP7381-28V-A RS Components 1950 8/4/2020 Buy Now England
AP7381-28V-A RS Components Ltd. 1950 8/2/2020 Buy Now Japan
AP7381-28Y-13 Mouser Electronics Inc. 2500 8/4/2020 Buy Now United States
AP7381-28Y-13 RS Components 11700 8/4/2020 Buy Now England
AP7381-28Y-13 Future Electronics - Asia 10000 8/3/2020 Singapore
AP7381-28Y-13 RS Components Ltd. 11700 8/2/2020 Buy Now Japan
AP7381-33SA-7 RS Components 8950 8/4/2020 Buy Now England
AP7381-33SA-7 RS Components Ltd. 8950 8/2/2020 Buy Now Japan
AP7381-33V-A Arrow Electronics 2210 8/4/2020 Buy Now United States
AP7381-33V-A Mouser Electronics Inc. 1738 8/4/2020 Buy Now United States
AP7381-33V-A RS Components 1750 8/4/2020 Buy Now England
AP7381-33V-A Digi-Key Electronics 2520 8/3/2020 Buy Now United States
AP7381-33V-A Future Electronics - Europe 1001 8/3/2020 England
AP7381-33V-A RS Components Ltd. 1750 8/2/2020 Buy Now Japan
AP7381-33Y-13 Arrow Electronics 2 8/4/2020 Buy Now United States
AP7381-33Y-13 Digi-Key Electronics 31835 8/3/2020 Buy Now United States
AP7381-50SA-7 Mouser Electronics Inc. 1050 8/4/2020 Buy Now United States
AP7381-50SA-7 RS Components 1950 8/4/2020 Buy Now England
AP7381-50SA-7 RS Components Ltd. 1950 8/2/2020 Buy Now Japan
AP7381-50V-A Arrow Electronics 950 8/4/2020 Buy Now United States
AP7381-50V-A Mouser Electronics Inc. 2381 8/4/2020 Buy Now United States
AP7381-50V-A RS Components 1475 8/4/2020 Buy Now England
AP7381-50V-A Digi-Key Electronics 2090 8/3/2020 Buy Now United States
AP7381-50V-A RS Components Ltd. 1475 8/2/2020 Buy Now Japan
AP7381-50Y-13 RS Components 5000 8/4/2020 Buy Now England
AP7381-50Y-13 Digi-Key Electronics 5419 8/3/2020 Buy Now United States
AP7381-50Y-13 RS Components Ltd. 5000 8/2/2020 Buy Now Japan
AP7381-70SA-7 Mouser Electronics Inc. 2794 8/4/2020 Buy Now United States
AP7381-70SA-7 RS Components 1450 8/4/2020 Buy Now England
AP7381-70SA-7 RS Components Ltd. 1450 8/2/2020 Buy Now Japan
AP7381-70V-A Mouser Electronics Inc. 1802 8/4/2020 Buy Now United States
AP7381-70V-A RS Components 1950 8/4/2020 Buy Now England
AP7381-70V-A RS Components Ltd. 1950 8/2/2020 Buy Now Japan
AP7381-70Y-13 Mouser Electronics Inc. 1225 8/4/2020 Buy Now United States
AP7381-70Y-13 RS Components 2000 8/4/2020 Buy Now England
AP7381-70Y-13 RS Components Ltd. 2000 8/2/2020 Buy Now Japan