SSD253

Overview

SSD253 is a wide 4.5V to 32V input range and 3A continuous output current synchronous step-down Buck converter. It supports PFM and Forced PWM Mode selectable.

Feature

• Wide 4.5V to 32V Input Range
• 85mΩ/55mΩ Power MOSFET
• 3A Continuous Output Current
• Constant On-Time-Control for Fast Loop Response
• Efficiency up to 94.2% @ 5V/2.4A
• 180KHz/330KHz Switching Frequency Selectable
• PFM and Forced PWM Mode Selectable
• Support Up to 98% Large Range Duty Cycle
• Built-in Line Drop Compensation
• Internal 3.4ms Soft Start
• High Accuracy CC Output-Current Limit (15%) Adjustable via ISET Pin
• Output Voltage Adjustable from 0.798V
• Support Pre-Biased Output Startup
• Frequency Spread Spectrum
• Full Protection, Over Current Protection and Hiccup, Output Over Voltage Protection, FB Open Short Protection, Over Temperature Protection
• Available in a UDFN2x3-8 Package

Application

• USB Type-C or USB Type-A Application
• CLA Charger

Document

Ordering Information