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LDL112PT-TR Datasheet(PDF) 7 Page - STMicroelectronics |
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LDL112PT-TR Datasheet(HTML) 7 Page - STMicroelectronics |
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7 / 32 page  LDL112 Electrical characteristics DocID026319 Rev 2 7/32 5 Electrical characteristics TJ = 25 °C, VIN = VOUT(NOM) + 0.5 V (for VOUT(NOM) ≤ 1 V, VIN = 2.1 V), CIN = COUT = 1 µF, IOUT = 5 mA, VEN = VIN, unless otherwise specified. Table 4: LDL112 electrical characteristics (fixed version) Symbol Parameter Test conditions Min. Typ. Max. Unit VIN Operating input voltage 1.6 5.5 V VOUT VOUT accuracy IOUT = 5 mA, TJ = 25 °C -2.0 2.0 % IOUT = 5 mA, -40 °C < TJ < 125 °C -3.0 3.0 % ΔVOUT Static line regulation (1) VOUT(NOM) + 0.5 V < VIN ≤ 5.5 V (2) 0.05 0.1 %/V ΔVOUT Static load regulation IOUT = 0 mA to 1.2 A, VIN > 2.1 V 15 30 mV VDROP Dropout voltage (3) IOUT = 1 A, VOUT = 3.3 V 300 mV IOUT = 1.2 A,VOUT = 3.3 V 40 °C < TJ < 125 °C 350 600 eN Output noise voltage 10 Hz to 100 kHz, IOUT = 10 mA 135 µVRMS SVR Supply voltage rejection VIN = VOUT(NOM) + 0.5 V (2) +/- VRIPPLE VRIPPLE = 0.2 V frequency = 1 kHz, IOUT = 10 mA 57 dB IQ Quiescent current IOUT = 0 mA,-40 °C < TJ <125 °C 35 70 µA IOUT = 1.2 A, VOUT(NOM) + 1 V (2) 40 °C < TJ < 125 °C 250 400 VIN input current in off mode: VEN = GND 0.1 1 ISC Short-circuit current RL = 0, VIN > 2.1 V 1.4 2 A VEN Enable input logic low VIN = VOUT(NOM) + 0.5 V (2) to 5.5 V, -40 °C < TJ < 125 °C 0.35 V Enable input logic high VIN = VOUT(NOM) + 0.5 V (2) to 5.5 V -40 °C < TJ < 125 °C 1.4 IEN Enable pin input current VEN = VIN 100 nA TSHDN Thermal shutdown 165 °C Hysteresis 20 COUT Output capacitor Capacitance (see Section 7: "Typical performance characteristics") 1 10 µF Notes: (1)Not applicable for Vout(nom) > 4.5 V. (2)For VOUTNOM lower than or equal to 1 V, VIN = 2.1 V. (3)Dropout voltage is the input-to-output voltage difference at which the output voltage is 100 mV below its nominal value. |
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