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LDO518 Datasheet(PDF) 2 Page - STMicroelectronics |
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LDO518 Datasheet(HTML) 2 Page - STMicroelectronics |
2 / 4 page ![]() LDO_518 2/4 ELECTRICAL CHARACTERISTICS 2V < VIN < 5V, -55°C < TA < +125°C, COUT = 2.2µF ±20%, 20 mΩ < ESR < 0.6Ω, ILOAD = 100mA. Typical case : VIN = 4V, T = 25°C, COUT = 2.2µF. Notes: 1. Above characteristics are given for 3V minimum input operating range voltage, but regulator is operational with 2.5V 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 25 V Output Voltage VOUT 1.8 V Output Voltage Accuracy 3 % Output current IOUT 100 mA Dropout Voltage ∆V DO ∆V OUT = 50mV, ILOAD = 100mA 50 mV (Note 2) 170 Quiescent current IQ ILOAD = 100µA 25 µA ILOAD = 1mA 25 ILOAD = 10mA 30 ILOAD = 50mA 35 ILOAD=100mA 45 50 Power down mode quiescent current IQPDM Power down active 100 nA Power Supply Rejection Ratio PSRR ∆V DO = 170mV ; f < 1KHz 45 50 dB f < 10KHz 35 40 ∆V DO = 500mV; f < 100Hz 60 65 f < 1KHz 55 60 f < 10KHz 40 45 Line Regulation LIR ILOAD = 100mA, VIN = 2V to 5V 0.5 1 mV Load Regulation LDR ILOAD = 100µA - 100mA 15 20 mV Line Transient LIRT ∆V IN = 300mV tRISE = tFALL = 10µs 610 mV Load Transient LDTR ILOAD = 100µA - 100mA in 10µs 750 mV Output Noise Voltage en 100Hz 140 1KHz 75 10KHz 70 enRMS BW : 100Hz to 100KHz 40 µVRMS Settling time ILOAD = 100mA 35 µs nV Hz ------------ |