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UD06122 Datasheet PDF

Unisonic Technologies UD06122

UD06122 is a dual high-efficiency Pulse-Width-Modulated (PWM) step-down DC-DC converter. It is capable of delivering 1.2A output current over a wide input voltage range from 2.5V to 6.0V, the UTC UD06122 is ideally suited for portable electronic devices that are powered from 1-cell Li-ion battery or from other power sources within the range such as cellular phones, PDAs and other handheld devices.
Part No. UD06122
Datasheet UD06122 Download
Manufacturer
Unisonic Technologies
Description DUAL 1.2A 1.5MHz SYNCHRONOUS BUCK CONVERTER
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UD06122 datasheet page 1 preview

DESCRIPTION

The UTC Two operational modes are available: PWM/Low-Dropout auto-switch and shutdown modes. Two operational modes are available: PWM/Low-Dropout auto-switch and shutdown modes. Internal synchronous rectifier with low RDS (ON) dramatically reduces conduction loss at PWM mode. No external Schottky diode is required in practical application. The UTC UD06122 enters Low-Dropout mode when normal PWM cannot provide regulated output voltage by continuously turning on the upper PMOS. The UTC UD06122 enter shutdown mode and consumes less than 0.1μA when EN pin is pulled low. The switching ripple is easily smoothed-out by small package filtering elements due to a fixed operation freq uency of 1.5MHz. Other features include soft start, lower internal reference voltage with 2% accuracy, over t emperature protection, and over current protection.
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FEATURES

* 2.5V~6.0V input voltage range * Output Adjustable from 0.6V to VIN * 200/160mΩ Internal Power MOSFET Switch * Stable with Low ESR...
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