XC9244 - Torex

XC9244 Step-Down DC/DC Converter

ˑGreenOperation Compatible The XC9244/XC9245 series is a group of synchronous-rectification type step-down DC/DC converters with a built-in 0.65Њ
P-channel MOS driver transistor and 0.45Њ N-channel MOS switching transistor, designed to allow the use of ceramic capacitors. Output current of 400mA (MAX.) to be configured using only a coil and capacitor co.

Features

Driver Transistor Built-In : 0.65Њ P-ch Driver Transistor
0.45Њ N-ch Synchronous Switch Transistor Input Voltage
: 2.3V ~ 6.0V Output Voltage Selectable
High Efficiency
: 0.8V ~ 4.0V (0.05V Increments) : 90% (TYP.)ˎ Output Current : 400mA Oscillation Frequency : 1.2MHz ±15% Maximum Duty Cycle Function

: 100% : Current Limiter Circuit (Constant Current & Latching) CL High Speed Discharge Soft Start Circuit Capacitor
: Low ESR Ceramic Capacitor Control Methods : PWM (XC9244)
PWM/PFM Auto (XC9245) Operating Ambient Temperature Package : -40ˆʙ+85ˆ : USPN-6 Environ.