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XC9215 Datasheet 500mA Synchronous Step-Down DC/DC Converter

Manufacturer: Torex Semiconductor

Overview: XC9215 / 9216 / 9217 Series 500mA Synchronous Step-Down DC/DC Converters March 22, 2004 V4 * GO (Green Operation) Compatible ! Synchronous Step-down DC/DC Converter ! APPLICATIONS ! High Efficiency 92% " Mobile phones (PDC, GSM, CDMA, IMT2000 etc.) ! Low Ripple Rejection 10mV " Bluetooth equipment ! Output Current 500mA " PDA, Portable communication modem (VIN=3.0V, VOUT=1.8V)* " Portable game ! Oscillation Frequency 600kHz, 1.2MHz " Camera, Digital camera ! PWM fixed control (XC9215 series) " Cordless phone ! PWM / PFM automatic switching control (XC9216 series) " Note book computer ! Manual selection of switching control (XC9217 series) ! Maximum Duty Ratio 100% ! Ceramic Capacitor Compatible ! Ultra Small Packages SOT-25, USP-6B !

Download the XC9215 datasheet PDF. This datasheet also includes the XC9216 variant, as both parts are published together in a single manufacturer document.

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General Description

The XC9215/9216/9217 series is a group of synchronous-rectification type DC/DC converters with a built-in 0.6 Ω P-channel driver transistor and 0.7Ω N-channel switching transistor, designed to allow the use of ceramic capacitors.

The ICs enable a high efficiency, stable power supply with an output current of 500 mA to be configured using only a coil and two capacitors connected externally.

Minimum operating voltage is 2.0 V.

Key Features

  • P-ch Driver Tr. Built-in : ON resistance 0.6Ω N-ch Synchronous Driver Tr. Built-in : ON resistance 0.7Ω Input Voltage Range : 2.0V ~ 6.0V Output Voltage Range : 0.9V ~ 4.0V (100mV step) High Efficiency : 92% (TYP. ) (VIN=3.0V, VOUT=1.8V, IOUT=100mA ).
  • Output Current : 500mA (VIN=3.0V, VOUT=1.8V).
  • Oscillation Frequency : 600kHz, 1.2MHz (Fixed frequency accuracy +15%) Soft-start circuit built-in Current limiter circuit built-in ( constant current + latching) Low ESR cera.

More Datasheets from Torex Semiconductor

Part Number Description
XC9210 Synchronous Step-Down DC/DC Controller
XC9213 Synchronous Step-Down DC/DC Controller
XC9216 500mA Synchronous Step-Down DC/DC Converter
XC9217 500mA Synchronous Step-Down DC/DC Converter
XC9201 PWM Controlled Step-Down DC/DC Converters
XC9206 PWM/PFM Switchable Step-Down DC/DC Converters
XC9207 PWM/PFM Switchable Step-Down DC/DC Converters
XC9208 PWM/PFM Switchable Step-Down DC/DC Converters
XC9220 Step-Down DC/DC Controller
XC9221 Step-Down DC/DC Controller