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UD36061

UTC
Part Number UD36061
Manufacturer UTC
Description 2MHZ STEP-DOWN CONVERTER
Published Apr 20, 2020
Detailed Description UNISONIC TECHNOLOGIES CO., LTD UD36061 Preliminary 0.6A, 36V, 2MHZ STEP-DOWN CONVERTER CMOS IC  DESCRIPTION The UT...
Datasheet PDF File UD36061 PDF File

UD36061
UD36061

Overview
UNISONIC TECHNOLOGIES CO.
, LTD UD36061 Preliminary 0.
6A, 36V, 2MHZ STEP-DOWN CONVERTER CMOS IC  DESCRIPTION The UTC UD36061 is a high frequency (2MHz) step-down switching regulator with integrated internal high-side high voltage power MOSFET.
It regulates input voltages from 3.
3V to 36V down to an output voltage as low as 0.
8V, and supplies 0.
6A highly efficient output with current mode control for fast loop response.
In shutdown mode the supply current drops to 3μA, it allows use in battery-powered applications.
High power conversion efficiency over a wide load range is achieved by scaling down the switching frequency at light load condition to reduce the switching and gate driving losses.
The converter uses internal N-Channel MOSFET switches to step-down the input voltage to the regulated output voltage.
Since the high side MOSFET requires a gate voltage greater than the input voltage, a boost capacitor connected between SW and BST is needed to drive the high side gate.
The boost capacitor is charged from the internal 5V rail when SW is low.
Frequency fold-back helps prevent inductor current runaway during start-up.
Thermal shutdown provides reliable, fault-tolerant operation.
 APPLICATIONS * High Voltage Power Conversion * Automotive Systems * Industrial Power Systems * Distributed Power Systems * Battery Powered Systems  FEATURES * Wide 3.
3V ~ 36V Operating Input Range * 500mΩ Internal Power MOSFETs * 230μA Operating Quiescent Current * > 90% Efficiency * 2MHz Fixed Switching Frequency * Internally Compensated * Internal Soft-Start * Adjustable Output Voltage from 0.
8V to 0.
8×VIN * Precision Current Limit Without Current Sensing Resistor * Stable with Ceramic Output Capacitors * 3μA Low Shutdown Supply Current 65 4 1 23 SOT-26 www.
unisonic.
com.
tw Copyright © 2016 Unisonic Technologies Co.
, Ltd 1 of 6 QW-R103-120.
a UD36061  ORDERING INFORMATION Ordering Number UD36061G-AG6-R Preliminary Package SOT-26 CMOS IC Packing Tape Reel  MARKING UNISONIC ...


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