UCC39422PW - Unitrode

Manufacturer Part Number

UCC39422PW

Manufacturer

Texas Instruments

Introduction

The UCC39422PW is a power management integrated circuit (PMIC) specifically designed for DC to DC switching control. It is housed in a 20-TSSOP package and is typically used in applications requiring step-up, step-up/step-down voltage adjustment.

Product Features and Performance

Supports Boost, Flyback, SEPIC topologies

Features Transistor Driver output type

Can operate from 1.8V to 8V supply voltage

Adjustable switching frequency from 150kHz to 1.2MHz

Maximum duty cycle of 88%

Includes synchronous rectifier for efficiency

Clock synchronization capability

Controlled via Enable, Frequency Control, Low Battery, Reset

Product Advantages

High flexibility in input voltage and adjustable frequency for various application needs

Integrated synchronous rectification for enhanced power efficiency

Compact 20-TSSOP package suitable for space-constrained applications

Key Technical Parameters

Voltage Supply (Vcc/Vdd): 1.8V ~ 8V

Frequency Switching: 150kHz ~ 1.2MHz

Duty Cycle (Max): 88%

Operating Temperature: 0°C ~ 70°C (TA)

Quality and Safety Features

Operates within standard industrial temperature ranges, ensuring reliability

Surface mount technology for robust and secure mounting

Compatibility

Single output configuration compatible with various circuit designs

Application Areas

Suitable for portable devices, power converters, and other electronics requiring voltage adjustments

Product Lifecycle

Discontinued at Digi-Key

Replacement or upgrade options should be consulted with Texas Instruments directly

Several Key Reasons to Choose This Product

Versatile input voltage range and high-frequency operation cater to a broad range of applications

High duty cycle and synchronous rectification ensure maximum power efficiency

Reliable performance within standard operating temperature range

Compact packaging suitable for advanced and miniaturized electronic assemblies