DN223 - SOT-23 DC/DC Converters Generate Up to 35V Outputs and Consume Only 20mA of Quiescent Current
features excellent cross regulation:for a 5 difference in output currents, the positive andnegative output voltages differ less than 1%; for a 10 difference, they differ less than 2%. A similar circuit canbe implemented using the LT1615 if the regulation of thepositive output is more important. As shown in Figure 2,efficiency reaches 78% with a fresh 4-cell alkaline battery.LOAD CURRENT FOR EACH OUTPUT (mA)0.170EFFICIENCY (%)8090110 DN223 F02 606575855550IN = 6VIN = 3.3V, LTC and LT are registered trademarks of Linear Technology Corporation. Figure 2. 20V Dual Output Converter Efficiency LINEAR TECHNOLOGY CORPORATION 2000 dn223f LT/TP 0 Design Note
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8090110100DN223, GNDC31, LT1615-1VIN1V, DN223, LQH3C100K24(814), MBR0530(800), 6VL122, GMK316BJ105(408), LT1615-1, TMK316BJ105(408), D3D2, LMK316BJ475(408), LT1617-1, 6VL110, F3V15mA, LT1615, SWNFBLT1617, D1SHDN, JMK316BJ106(408), LT1617, 249k357k100k, F35V500, LQH3C4R7M24(814), SOT-23, CMDSH-3(800), HD1SHDN365k10MC21, LT1615in, 20V4mA20V4mA, F24V10mA, LQH3C220K34(814), MBR0540(800)
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