Manufacturer Part Number
LTC4359IMS8#TRPBF
Manufacturer
Analog Devices
Introduction
The LTC4359 is an Ideal Diode ORing Controller designed to manage power distribution in redundant power supply systems.
Product Features and Performance
N+1 ORing Controller for system redundancy
Powers from N-channel MOSFETs for low loss power ORing
No internal switch to minimize power dissipation
Fast response times with 200 µs turn-on delay and 300 ns turn-off delay
Supports a wide operating voltage range from 4V to 80V
Low quiescent current of 150 µA and maximum output current of 220 µA
Automotive temperature grade with an operating range of -40°C to 85°C
Surface mount 8-MSOP package for compact design
Product Advantages
Enables efficient power management in high-availability systems
Reduces heat and increases system reliability due to the absence of internal switching losses
Fast switching suitable for systems with critical power up and down sequences
Compatible with a broad range of voltages, facilitating versatile usage across platforms
Key Technical Parameters
FET Type: N-Channel
Delay Time - ON: 200 µs
Delay Time - OFF: 300 ns
Current - Output (Max): 220µA
Current - Supply: 150 µA
Voltage - Supply: 4V to 80V
Quality and Safety Features
Automotive grade ensures high reliability under harsh conditions
Compatibility
Designed for use in systems that require N+1 redundancy with N-Channel MOSFETs
Application Areas
Redundant Power Supplies
Telecom Infrastructure
Any critical system requiring power redundancy
Product Lifecycle
Status: Active
This product is not reported as nearing discontinuation and replacements or upgrades should be available if needed.
Several Key Reasons to Choose This Product
Efficiency in power distribution with minimal losses
High reliability for automotive and telecom applications
Versatility due to wide voltage range compatibility
Fast switch response times to minimize downtime
Low quiescent current to conserve system power
Suitable for design in space-constrained applications due to small package size