UC3844BVN - onsemi

Manufacturer Part Number

UC3844BVN

Manufacturer

onsemi

Introduction

The UC3844BVN is a power management integrated circuit (PMIC) specifically designed for DC-DC switching controllers. It is utilized in applications requiring step-up or step-up/step-down voltage functions while being capable of isolation.

Product Features and Performance

Single output transistor driver

Capable of step-up and step-up/step-down functions

Supports positive output configurations

Utilizes boost and flyback topologies

Operates at a frequency of up to 500kHz

Maximum duty cycle of 48%

Equipped with frequency control features

Product Advantages

High versatility due to boost and flyback topologies

Functionality in a wide voltage supply range from 10V to 36V

Extended operating temperature from -40°C to 105°C, suitable for harsh environments

Key Technical Parameters

Voltage Supply (Vcc/Vdd): 10V ~ 36V

Frequency Switching: Up to 500kHz

Duty Cycle (Max): 48%

Operating Temperature: -40°C ~ 105°C (TA)

Mounting Type: Through Hole

Package / Case: 8-DIP (0.300", 7.62mm)

Quality and Safety Features

Robust operating temperature range ensures reliability under varying environmental conditions

Compatibility

Through-hole mounting type for easy integration into various circuit boards

Application Areas

Suitable for power supply units where voltage step-up or conversion with isolation capability is necessary

Product Lifecycle

The product status is Obsolete, consult manufacturer for replacement options or possible upgrades

Several Key Reasons to Choose This Product

High-efficiency control with up to 500kHz switching frequency and 48% duty cycle permits optimal power management

Wide input voltage range accommodating various power supply specifications

Suitable for rugged applications due to its extensive operating temperature range

Easy implementation in systems requiring voltage increase with isolation capabilities

Obsolete status has led to the assessment and selection of newer or alternative advanced solutions, ensuring upgraded technology adoption