AP65455 - Diodes

AP65455 650kHz ADAPTIVE COT STEP-DOWN CONVERTER

The AP65455 is an adaptive constant on-time mode synchronous buck converter providing high efficiency, excellent transient response and high DC output accuracy for low-voltage regulation in digital TV and monitor. Pin Assignments ( Top View ) The constant-on-time control scheme handles wide input/output voltage ratios and provides low external component co.

Features

power good, programmable soft-start, UVLO, OTP, OVP and OCP to protect the circuit. U-DFN3030-10 This IC is available in U-DFN3030-10 package. Features
 Fixed Frequency Emulated Constant On-Time Control
 Good Stability Independent of the Output Capacitor ESR
 Fast Load Transient Response
 Synchronous Rectification: 90mΩ Internal High-side Switch and 57mΩ Internal Low-Side Switch
 Wide Input Voltage Range: 4.5V to 18V
 Output Voltage Range: 0.76V to 6V
 Power Good Indicator
 4A Continuous Output Current
 650kHz Switching Frequency
 Built-In Over-Current Limit
 Built-In Over-Voltag.