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TOREX XC9244/XC9245 SERIES – 400 MA SYNCHRONOUS STEP-DOWN DC/DC CONVERTERS

The new TOREX blocks in the XC9244/XC9245 series have an internal 0.65? P channel transistor and a 0.45Ohm N channel transistor. Only an external coil and two small capacitors are required to operate them with an output current of up to 400mA. The XC9244 is a PWM fixed frequency control and the XC9245 is PWM/PFM which switches between PWM and PFM automatically. This allows a highly efficient converter with low ripple voltage to be built. The small USPN 6 housing means that the converter also features small dimensions.

Features:
- USPN-6 housing (1.3mm x 1.3mm x 0.4mm).
- High efficiency (90% typical)
- 1.2MHz switching frequency
- Input voltage 2.3V to 6.0V
- Output voltage 0.8V to 4.0 V
- High-speed soft-start, CL discharge, current limiter circuit and UVLO (under voltage lock out) function

If you require further information, please contact us!

A15

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