EmbeddedRelated.com
    Parts   Power Management  DC-DC Converters    CHS4004812H
CHS4004812H

CHS4004812H

Cosel USA, Inc.
Isolated Module DC DC Converter 1 Output 12V 33A 36V - 76V Input
Active
Datasheet Digi-Key Mouser Compare Prices

Overview

The CHS4004812H is a high-efficiency isolated DC-DC converter module designed for 48V telecommunications and industrial power systems. It provides a stable 12V output at up to 33A from a wide 36V to 76V input range, achieving 95.5 percent efficiency to minimize thermal overhead.

Why Choose This Part

The module features an extremely high efficiency rating of 95.5 percent and integrated PMBus support for digital power management. Its compact 8-DIP through-hole package includes comprehensive protection circuitry such as OCP, OTP, and OVP while maintaining 2.25 kV isolation.

Applications

Telecommunications Infrastructure
Ideal for powering 48V bus systems in cellular base stations and networking hardware.
Distributed Power Architectures
Acts as an intermediate bus converter to provide regulated 12V rails for downstream point-of-load regulators.
Industrial Computing
Supplies high-current 12V power to industrial motherboards and high-power PCIe expansion cards.
Data Center Equipment
Efficiently converts standard 48V rack power for server and storage components.

Key Specifications

Type Isolated Module
Features Remote On/Off, OCP, OTP, OVP
Efficiency 95.5%
Applications ITE (Commercial)
Mounting Type Through Hole
Package / Case 8-DIP Module
Size / Dimension 2.30" L x 1.45" W x 0.37" H (58.4mm x 36.8mm x 9.5mm)
Number of Outputs 1
Voltage - Output 1 12V
Voltage - Isolation 2.25 kV
Operating Temperature -40degC ~ 85degC (With Derating)
Voltage - Input (Max) 76V
Voltage - Input (Min) 36V
Current - Output (Max) 33A

Getting Started

Designers should follow the recommended PCB layout for thermal management, ensuring the high-current pins have sufficient copper pour. The remote on/off pin can be used for system sequencing, and the PMBus interface allows for real-time monitoring of voltage and current parameters during development.

Categories

Power Management > DC-DC Converters Industrial & Automation > Industrial Communication