Manufacturer Part Number
ADP3157JR
Manufacturer
Analog Devices, Inc.
Introduction
The ADP3157JR is a high-efficiency, low-dropout linear regulator designed to provide a low-noise, well-regulated supply voltage for microprocessors, DSPs, and other digital ICs.
Product Features and Performance
High efficiency up to 92%
Low dropout voltage of 300mV at 1A
Output voltage adjustable from 1.3V to 3.5V
Tight load and line regulation
Overtemperature and short-circuit protection
Fast transient response
Low quiescent current of 45μA
Product Advantages
Excellent power efficiency for extended battery life
Stable and clean output voltage for sensitive digital circuits
Wide output voltage range for versatile applications
Robust protection features for reliable operation
Key Technical Parameters
Input Voltage Range: 12V
Output Voltage Range: 1.3V to 3.5V
Maximum Output Current: 1A
Quiescent Current: 45μA
Dropout Voltage: 300mV at 1A
Quality and Safety Features
Overtemperature protection
Short-circuit protection
Robust and reliable design
Compatibility
Suitable for use with Intel Pentium III processors and other digital controllers
Application Areas
Microprocessor, DSP, and digital IC power supplies
Low-power embedded systems
Portable electronics and battery-powered devices
Product Lifecycle
This product is currently in production and is not nearing discontinuation.
Replacement or upgrade options may be available from Analog Devices.
Key Reasons to Choose This Product
High efficiency and low dropout voltage for extended battery life
Wide output voltage range for versatile applications
Robust protection features for reliable operation
Compatibility with a variety of digital controllers and processors
Proven performance and reliability from a leading semiconductor manufacturer