Manufacturer Part Number
LT1959CS8#PBF
Manufacturer
Analog Devices, Inc.
Introduction
High Efficiency, 4.5A, 500kHz, Step-Down Switching Regulator
Product Features and Performance
Operates from 4.3V to 15V input
Adjustable output from 1.21V to 12.9V
500kHz fixed frequency operation
5A continuous output current
High efficiency up to 95%
Integrated internal power MOSFET switch
Synchronous rectification for high efficiency
Thermal shutdown and current limit protection
Low shutdown current of 12uA
Product Advantages
High power density and small solution size
Wide input voltage range
Adjustable output voltage
High efficiency across load range
Robust protection features
Key Technical Parameters
Input Voltage Range: 4.3V to 15V
Output Voltage Range: 1.21V to 12.9V
Output Current: 4.5A (Switch)
Switching Frequency: 500kHz
Topology: Buck, SEPIC
Junction Temperature Range: 0°C to 125°C
Quality and Safety Features
ROHS3 Compliant
Thermal shutdown and current limit protection
Compatibility
Surface mount package
Suitable for a variety of DC-DC conversion applications
Application Areas
Portable electronics
Industrial equipment
Telecommunications equipment
Automotive electronics
Product Lifecycle
This product is currently available and not nearing discontinuation.
Replacement or upgraded products may be available in the future.
Several Key Reasons to Choose This Product
High efficiency and power density for compact designs
Wide input voltage range for versatile applications
Adjustable output voltage for flexibility
Robust protection features for reliability
Proven technology from a reputable manufacturer