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XC9263 - 18V Operation 0.5A Synchronous Step-Down DC/DC Converters

Description

The XC9263/XC9264 series are 18V operation synchronous step-down DC/DC converter ICs with a built-in high-side / low-side driver transistor.

The XC9263/XC9264 series has operating voltage range of 3.0V~18.0V and it can support 500mA as an output current with high-efficiency.

Features

  • Input Voltage Range FB Voltage Oscillation Frequency Output Current Control Methods Soft-start Time Protection Circuits Output Capacitor Package Environmentally Friendly : 3.0 ~ 18V (Absolute Max 20V) : 0.75V±1.5% : 500kHz, 1.2MHz, 2.2MHz : 500mA : PWM/PFM Auto Efficiency 85%@12V→5V, 1mA PWM control : Adjustable by RC : Over Current Protection Automatic Recovery (B Type) Integral Latch Method (A Type) Thermal Shutdown : Ceramic Capacitor : SOT-25 (No Power good) USP-6C (With Power Good) : EU R.

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Full PDF Text Transcription

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XC9263/XC9264 Series ETR05047-006 18V Operation 0.5A Synchronous Step-Down DC/DC Converters ■GENERAL DESCRIPTION The XC9263/XC9264 series are 18V operation synchronous step-down DC/DC converter ICs with a built-in high-side / low-side driver transistor. The XC9263/XC9264 series has operating voltage range of 3.0V~18.0V and it can support 500mA as an output current with high-efficiency. Compatible with Low ESR capacitors such as ceramic capacitors for the load capacitor (CL). 0.75V reference voltage source is incorporated in the IC, and the output voltage can be set to a value from 1.0V to 15.0V using external resistors (RFB1, RFB2). 500kHz or 1.2MHz or 2.2MHz can be selected for the switching frequency.
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