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XC9263

Torex Semiconductor
Part Number XC9263
Manufacturer Torex Semiconductor
Description 18V Operation 0.5A Synchronous Step-Down DC/DC Converters
Published May 22, 2016
Detailed Description XC9263/XC9264 Series ETR05047-006 18V Operation 0.5A Synchronous Step-Down DC/DC Converters ■GENERAL DESCRIPTION The ...
Datasheet PDF File XC9263 PDF File

XC9263
XC9263

Overview
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.
In PWM/PFM automatic switchover control, IC can change the control method between PWM and PFM based on the output current requirement and as a result IC can achieve high efficiency over the full load range.
XC9263/64 has a fixed internal soft start time which is 1.
0ms (TYP.
), additionally the time can be extended by using an external resistor and capacitor.
With the built-in UVLO function, the driver transistor is forced OFF when input voltage goes down to 2.
7V or lower.
The output state can be monitored using the power good function.
Over current protection and thermal shutdown are embedded and they secure a safety operation.
■APPLICATIONS ● Hot water supply system ● Recorders, Camcorders ● Refrigerators, Air-conditioners ● Low Power Systems ■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 RoHS Compliant, Pb Fr...


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