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XC9257 - 1.0A Synchronous Step-Down DC/DC Converters

Datasheet Summary

Description

The XC9257/XC9258 series is a group of synchronous-rectification type DC/DC converters with a built-in P-channel MOS driver transistor and N-channel MOS switching transistor, designed to allow the use of ceramic capacitors.

Features

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  • Smart phones / Mobile phones Input Voltage Range Output Voltage Range : 2.5V～5.5V : 0.8V～3.6V (±2.0%).
  • Bluetooth Oscillation Frequency : 1.2MHz, 6.0MHz.
  • Portable game consoles.
  • Digital still cameras / Camcorders Output Current Control Methods : 1A : HiSAT-COT Control 100% Duty Cycle.
  • Point-of-Load (POL).
  • Wearable devices Protection Circuits PWM Control (XC9257) PWM/PFM Auto (XC9258) : Thermal Shutdown Current Limit (Pendent character) Short Circuit Protection.

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Datasheet Details

Part number XC9257
Manufacturer Torex Semiconductor
File Size 3.37 MB
Description 1.0A Synchronous Step-Down DC/DC Converters
Datasheet download datasheet XC9257 Datasheet
Additional preview pages of the XC9257 datasheet.

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Full PDF Text Transcription

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XC9257/XC9258 Series COT Control, 1.0A Synchronous Step-Down DC/DC Converters ETR05040-002 ■GENERAL DESCRIPTION ☆GreenOperation-compatible The XC9257/XC9258 series is a group of synchronous-rectification type DC/DC converters with a built-in P-channel MOS driver transistor and N-channel MOS switching transistor, designed to allow the use of ceramic capacitors. Output voltage is internally set in a range from 0.8V to 3.6V (accuracy: ±2.0%) increments of 0.05V. The device provides a high efficiency, stable power supply with an output current of 1.0A to be configured using only a coil and two capacitors connected externally. Oscillation frequency is set to 1.2MHz or 6.0MHz can be selected for suiting to your particular application.
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