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SPX2975ACP-3.3 Datasheet(PDF) 3 Page - Sipex Corporation |
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SPX2975ACP-3.3 Datasheet(HTML) 3 Page - Sipex Corporation |
3 / 8 page 3 Date: 6/30/04 SPX2975 400mA Low Dropout Voltage Regulator © Copyright 2004 Sipex Corporation PIN DESCRIPTION PIN NUMBER PIN NAME DESCRIPTION 1V IN LDO Input. Bypass V IN to GND with a Ceramic capacitor. 2RO Reset Output. RO remains low while V OUT is below the reset switching threshold. RO is in open conector output. 3 GND Ground. This pin also functions as a heatsink. Solder to large pads or the circuit-board ground plane to maximize thermal dissipation. 4RD Reset Delay. RD connects capacitor to GND for setting delay time. 5V OUT LDO Output. Bypass V OUT to GND with a minimum 22µF capacitor with ESR less than 5Ω at 10kHz. Buffer Temperature Sensor Current Limit Bandgap Reference 4 1 VIN RD Saturation Control & Protection Circuit Reset Generator 3 GND 2 RO VOUT 5 FUNCTIONAL DIAGRAM VOUT VRD VRO Td VthH = 1.8V VthL = 0.4V <Trr Trr VROL = 0.2V Vth = 4.65V Reset Timing |
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