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G5111T11UF Datasheet(PDF) 1 Page - Global Mixed-mode Technology Inc |
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G5111T11UF Datasheet(HTML) 1 Page - Global Mixed-mode Technology Inc |
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1 / 8 page  Ver: 1.2 Sep 09, 2004 TEL: 886-3-5788833 http://www.gmt.com.tw 1 G5111 Global Mixed-mode Technology Inc. Micro-power Step-Up DC/DC Converters in SOT-23-5 Features Configurable Output Voltage Up to 28V 20µA Quiescent Current <1µA Shutdown Current <1µA Shutdown Pin Current Supply Range from 2.5V to 6.5V Low VDS(on): 250mV (ISW=300mA) Tiny SOT-23-5 Package Applications STN/TFT LCD Bias Personal Digital Assistants (PDAs) Handheld Computers Digital Still Cameras Cellular Phones WebPad White LED Driver Local 3V to 5V Conversion General Description The G5111 boost converter is designed for small/ me- dium size LCD panel of high bias voltage. Due to a typical 20µA quiescent current and 2.5V~ 6.5V supply voltage range, it is suitable for battery powered portable applications. Such as PDAs and Handheld Computers. When the IC sets to shutdown mode, it only consumes less than 1µA. Furthermore, the 350mA current limit, 500ns fixed minimum off-time and tiny SOT-23-5 package facili- tates the use of smaller inductor and other sur- face-mount components to minimize the PCB size in those space-conscious applications. To control the IC, no other external current is needed for the shutdown pin. It typically consumes less than 1µA of full supply range. Ordering Information ORDER NUMBER ORDER NUMBER (Pb free) MARKING TEMP. RANGE PACKAGE G5111T11U G5111T11Uf 51xx -40°C ~ +85°C SOT-23-5 G5111T12U G5111T12Uf 52xx -40°C ~ +85°C SOT-23-5 Pin Configuration Typical Application Circuit G963 VCC SHDN SOT-23-5 G5111 T11 5 4 1 SW 2 3 GND FB VCC SW SHDN FB GND G5111 1µF 4.7µF 10µH 62k V IN 2.5V to 4.2V 1M 20V 12mA G963 VCC SHDN SOT-23-5 G5111 T12 5 4 1 SW 2 3 GND FB G963 VCC SHDN SOT-23-5 G5111 T11 5 4 1 SW 2 3 GND FB VCC SW SHDN FB GND G5111 1µF 4.7µF 10µH 62k V IN 2.5V to 4.2V 1M 20V 12mA G963 VCC SHDN SOT-23-5 G5111 T12 5 4 1 SW 2 3 GND FB |
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