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LR3965L-XX-AB3-C-R Datasheet(PDF) 3 Page - Unisonic Technologies |
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LR3965L-XX-AB3-C-R Datasheet(HTML) 3 Page - Unisonic Technologies |
3 / 10 page LR3965 CMOS IC UNISONICTECHNOLOGIESCO.,LTD 3 of 10 www.unisonic.com.tw QW-R102-037.P PIN CONFIGURATION GND VOUT VIN TO-252/TO-263 SHDN VIN VOUT GND GND GND GND 8 7 6 5 4 3 2 1 SOP-8 1 2 3 VIN GND VOUT SOT-223 1 23 GND VIN VOUT SOT-89 1 2 3 1 2 3 4 5 SENSE/ADJ/SS/POK VOUT GND VIN TO-252-4/TO-252-5/TO-263-5 SHDN SENSE/ADJ/SS/POK PIN DESCRIPTION PIN NAME DESCRIPTION VIN Power Input Voltage. Supply voltage can range from 2.25V to 6V. Bypass with a 68µF capacitor to GND. GND Ground SHDN Active-Low Shutdown Input. A logic low at SHDN reduces supply current to 0.01µA. In shutdown, the POK output is low. Connect SHDN to VIN for normal operation. VOUT Output Voltage ADJ Voltage-adjust Input. Connect ADJ to GND for preset output. Connect an external resistive voltage-divider from VOUT to ADJ to set the output voltage between 0.8V and 6V. The ADJ regulation voltage is 800mV SENSE Remote sense pin. SS Soft start time setting. For adjustable soft start time version, connect a capacitor from SS to gnd to set the soft start time. POK Open-Drain, Active-Low Power-OK Output. POK remains low while the output voltage (VOUT) is below the POK threshold. |
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