UC3845BNG - onsemi

Manufacturer Part Number

UC3845BNG

Manufacturer

onsemi

Introduction

High Performance Current Mode PWM Controller

Product Features and Performance

Current Mode Operation

High Frequency Switching up to 500kHz

Maximum Duty Cycle 48%

Transistor Driver Output Type

Functionality for Step-Up and Step-Up/Step-Down Topologies

Positive Output Configuration with Isolation Capability

Single Output with One Output Phase

Suitable for Boost and Flyback Topologies

Product Advantages

Capable of handling wide input voltage range 7.6V to 30V

Current mode control for improved transient response

Can be used in isolated power supply designs

Key Technical Parameters

Number of Outputs: 1

Output Phases: 1

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

Frequency - Switching: Up to 500kHz

Duty Cycle (Max): 48%

Temperature Range: 0°C ~ 70°C (TA)

Quality and Safety Features

Reliable operation within specified temperature range

Through Hole Mounting for sturdy PCB connections

Compatibility

Compatible with a range of inductors and capacitors for various applications

Application Areas

Switching Power Supplies

Power Converters

Battery Chargers

LED Drivers

Product Lifecycle

Active status product

Currently not indicated as nearing discontinuation

Key Reasons to Choose This Product

Flexible operation with a broad input voltage range

High-frequency switching capability for efficient power conversion

Adaptable for various power applications including both step-up and step-down configurations

Current Mode control offers advantageous transient response

Offered by onsemi, a reputable semiconductor manufacturer

Availability in a through-hole package for ease of prototyping and production