UC2845AN - Texas Instruments

Manufacturer Part Number

UC2845AN

Manufacturer

Texas Instruments

Introduction

The UC2845AN is a high-performance Pulse Width Modulation (PWM) controller integrated circuit from Texas Instruments, designed for power supply control.

Product Features and Performance

High-current totem pole output for driving a power MOSFET

Trimmed oscillator discharge current for precise duty cycle control

Separate oscillator sync terminal

Adjustable dead-time control for improved efficiency

Internal soft-start to limit inrush current

Low startup and operating current for improved efficiency

Under-voltage lockout with hysteresis for system stability

Product Advantages

Highly flexible operation with a wide input voltage range

Low power operation enhances the efficiency of the power supply

Robust output drive capable of handling peak currents

Built-in features for improved system reliability

Key Technical Parameters

Input Voltage Range: -0.3V to 6.3V

Supply Voltage Range: 7.6V to 30V

Supply Current: 11 mA

Operating Temperature Range: -40°C to 85°C (TA)

Mounting Type: Through Hole

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

Supplier Device Package: 8-PDIP

Quality and Safety Features

Under-voltage lockout for system protection

Thermal shut down and over-current protection

Lead-free and RoHS compliant for environmental safety

Compatibility

Suitable for a broad range of power supply applications

Compatible with various types of power MOSFETs

Application Areas

Switching power supplies for consumer electronics

DC-DC converters

Offline and DC to AC power inverters

Battery chargers

Power supply units for computers and telecommunications

Product Lifecycle

Active status indicates current production with ongoing manufacturer support

Not indicated as nearing discontinuation

Availability of replacements or upgrades not specified

Several Key Reasons to Choose This Product

Stable and reliable power supply control in various applications

Tailored oscillator features for precise system design

Multiple protection features ensure long-term reliability

Proven technology from a reputable manufacturer, Texas Instruments

Flexible compatibility with a wide variety of power systems

Continued manufacturer support and product availability