LTC4357CDCB#TRMPBF

LTC4357CDCB#TRMPBF Specifications

Manufacturer: Analog Devices
Part Type: Ideal Diode Controller
Operating Voltage Range: 9 V to 75 V
Gate Drive Voltage: Up to 10 V above source
Reverse Current Blocking: Yes (Fast Turn-Off)
MOSFET Control Type: N-Channel External
Turn-On Time: 100 µs (typical)
Quiescent Current: 160 µA (typical)
Package Type: 6-Lead SOT-23 (DCB)
Mounting Type: Surface Mount
Operating Temperature Range: -40°C to +85°C
Reverse Voltage Detection: Active Monitoring
Status Indicator: Gate Output Status
System Protection: Inrush Current Limiting
High Side ORing Capability: Yes
RoHS Compliant: Yes

Key Features

The LTC4357CDCB#TRMPBF is a robust ideal diode controller designed for high-voltage power path management. It controls an external N-channel MOSFET to create a fast, low-loss diode replacement. Its fast reverse current blocking and low quiescent current make it ideal for ORing applications where power efficiency and fast switchover are critical. This device supports input voltages up to 75 V, actively monitors for reverse polarity, and minimizes conduction losses. Its compact SOT-23 package enables space-efficient layouts for high-density designs.

Applications

Redundant power supply systems
High-availability server infrastructure
Solar power ORing circuits
Telecom base stations
Industrial automation power rails
Automotive backup power systems
Power distribution units
Battery-powered UPS systems
48 V rack systems
DC input power controllers

Product Overview

The LTC4357CDCB#TRMPBF is engineered for precision high-side power control in systems requiring seamless redundancy and low power loss. Acting as an ideal diode controller, it uses an N-channel MOSFET to conduct current with minimal forward voltage drop, greatly improving efficiency over traditional Schottky diodes. Its fast response to reverse current conditions protects sensitive circuitry and enables fast source switching. The small footprint and wide input range allow for flexible deployment across multiple platforms requiring power reliability and energy savings.

Contact Us

For additional information regarding our products, feel free to get in touch with us. You can call us at 770-870-1760 or email us at info@cyndtek.com. We look forward to assisting you and ensuring your satisfaction with all of our Cyndtek products.