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LDO514 Datasheet(PDF) 2 Page - STMicroelectronics |
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LDO514 Datasheet(HTML) 2 Page - STMicroelectronics |
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LDO_514 2/4 ELECTRICAL CHARACTERISTICS 3V < VIN < 5.5V, -55°C < TA < +125°C, COUT = 1µF ±20%, 20mΩ < ESR < 0.6Ω, ILOAD = 200mA. Typical case : VIN = 4V, T = 25°C, COUT = 1µF. Notes: 1. Above characteristics are given for 3V minimum input operating range voltage, but regulator is operational with 2.7V minimum input voltage. 2. All parameters are guaranteed with 170mV min Dropout voltage. Parameter Symbol Test Condition Min. Typ. Max. Unit Input Voltage Range (Note 1) VIN 3 5.5 V Output Voltage VOUT 2.8 V Output Voltage Accuracy 3 % Output current IOUT 200 mA Dropout Voltage ∆V DO ∆V OUT = 50mV, ILOAD = 200mA 50 mV (Note 2) 170 Quiescent current IQ ILOAD = 100µA 70 110 µA ILOAD = 20mA 90 130 ILOAD = 200mA 320 440 Power down mode quiescent current IQPDM Power down active 100 nA Power Supply Rejection Ratio PSRR DC 65 dB f = 10KHz 60 f = 100KHz 50 Line Regulation LIR ILOAD = 200mA, VIN = 3V to 5.5V 1.5 2.5 mV Load Regulation LDR ILOAD = 100µA - 200mA 35 40 mV Line Transient LIRT ∆V IN = 300mV tRISE = tFALL = 10µs <1 mV Load Transient LDTR ILOAD = 100µA - 200mA in 10µs 0.5 1 mV Output Noise Voltage en 100Hz 1400 1KHz 450 10KHz 150 enRMS BW : 100Hz to 100KHz 45 µVRMS Output decoupling Capacitor COUT 1µF Settling time ILOAD = 200mA 15 30 µs Short Circuit Current Limit ISHORT 800 mA nV Hz ------------ |
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