AP3591 Datasheet - Diodes

AP3591, SINGLE PHASE SYNCHRONOUS BUCK CONTROLLER

NEW PRODUCT Description A Product Line of Diodes Incorporated AP3591 SINGLE PHASE SYNCHRONOUS BUCK CONTROLLER Pin Assignments The AP3591 is a synch

Features

* small external component count and fast transient response. The operation mode is selectable by EN voltage. A Diode Emulation Mode (DEM) is activated for increasing efficiency at light loads, while PWM mode is activated only for low noise operation. The AP3591 also integrates internal Soft-start, UV

Applications

* Fixed Frequency Constant On-time Control; Resistor Programmable Frequency Adjustable from 100kHz to 700kHz
* Good Stability Independent of the Output Capacitor ESR
* Quick Load Step Response
* Input Voltage Range: 4.5V to 26V
* Output Voltage Range: 0.75V to 5.5V
* CCM/DEM

AP3591-Diodes.pdf