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LDO517 Datasheet(PDF) 1 Page - STMicroelectronics |
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LDO517 Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 4 page ![]() 1/4 June 2002 s AnyESR REGULATOR s VERY COMMON OUTPUT DECOUPLING CERAMIC CAPACITOR s LOW CONSUMPTION : 250µA FULL LOAD s VERY LOW NOISE : 30µV s VERY LOW DROPOUT VOLTAGE : 50mV s HIGH PSRR : 60dB s STANDBY AND POWER DOWN MODE s NO CURRENT IN POWER DOWN MODE s SHORT CIRCUIT PROTECTION TYPICAL APPLICATIONS – Cellular and Cordless phones supplied by 1 cell Lithium-ion battery / 3 cells Ni-MH or Ni-Cd battery – PDA (Personal Digital Assistant), – Smart phone – Portable equipment – Supply for RF devices for cellular phone APPLICATION NOTE An external capacitor (COUT = 1µF) with an equivalent serial resistance (ESR) up to 1 Ω is used for regulator stability. Figure 1 : Block Diagram ? VREF ? ? ? LDO_517 OUT IN PWRDWN STDBY Figure 2 : Typical Application Circuit 1 µF ESR VOUT COUT ? ? OUT GND ? ? ? VIN IN PWRDWN Power Down Mode OFF ON Stand-by Mode STDBY Active Mode LDO_517 → → Stand-by Mode → → LDO_517 This is advance information on a new product now in development or undergoing evaluation. Details are subject to change without notice. PRODUCT PREVIEW IP Library: Wide Range ESR Capacitor, Low Noise, 100mA Low Dropout Voltage Regulator |