UC3845BVNG - onsemi

Manufacturer Part Number

UC3845BVNG

Manufacturer

onsemi

Introduction

The UC3845BVNG is a DC DC switching controller designed for power management applications, facilitating step-up, step-down, or isolated power supply designs.

Product Features and Performance

Operates in Boost, Flyback topologies

Supports configurations for positive output with isolation capability

Offers output operation for one phase

Adaptable for a range of supply voltages (7.6V ~ 30V)

High-frequency switching capability up to 500kHz

Maximum duty cycle of 48%

Frequency control for precise operation

Robust thermal performance with operating temperatures ranging from -40°C ~ 105°C

Product Advantages

Versatility in topology allows for a wide range of application uses

High switching frequency enables compact and efficient designs

Provides thermal stability in various operating conditions

Through-hole mounting offers ease of use in prototype and manufacturing processes

Key Technical Parameters

Output Type: Transistor Driver

Function: Step-Up, Step-Up/Step-Down

Output Configuration: Positive, Isolation Capable

Voltage Supply (Vcc/Vdd): 7.6V ~ 30V

Frequency Switching: Up to 500kHz

Duty Cycle (Max): 48%

Operating Temperature: -40°C ~ 105°C

Quality and Safety Features

Ensures reliability across a broad range of temperatures (-40°C to 105°C)

Compatibility

Through Hole mounting compatible with general PCB design

Compatible with various power management applications requiring DC DC switching

Application Areas

Power supplies for consumer electronics

Industrial power systems

Renewable energy converters

Automotive electronics

Product Lifecycle

Status: Obsolete

Note on discontinuation and availability of replacements or upgrades should be considered when planning for long-term projects

Several Key Reasons to Choose This Product

Broad voltage supply range adaptability

High-efficiency potential with up to 500kHz switching frequencies

Robust design suitable for a range of temperatures and applications

Obsolescence status demands consideration for unique or last-time buy applications

Suitable for designs requiring isolation or positive output configurations