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LD3980PM12R 数据表(PDF) 6 Page - STMicroelectronics |
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LD3980PM12R 数据表(HTML) 6 Page - STMicroelectronics |
6 / 16 page Electrical characteristics LD3980 6/16 4 Electrical characteristics Note: 1 For VO(NOM) < 1.2V, VI=1.7V 2 Dropout voltage is the input-to-output voltage difference at which the output voltage is 100mV below its nominal value. This specification does not apply for output voltages below 1.7V. 3 Turn-on time is time measured between the enable input just exceeding VSHDN High Value and the output voltage just reaching 95% of its nominal value 4 Typical thermal protection hysteresis is 15°C. Table 4. Electrical characteristics (TJ = 25°C, VI = VO(NOM) +0.5V, CI = CO = 1µF, IO = 1mA, VSHDN = VI, unless otherwise specified) (Note: 1) Symbol Parameter Test conditions Min. Typ. Max. Unit VI Operating input voltage 1.7 3.6 V VO VO Accuracy IO = 300mA -1.0 +1.0 % TJ = -40° to 85°C -2.0 +2.0 ∆VO Line regulation VI = VO + 0.5V to 3.6V, IO = 1mA -0.15 0.01 +0.15 %/V ∆VO Load regulation IO = 1mA to 300mA 0.2 0.3 %/mA VDROP Dropout voltage ( Note 2) IO = 300mA, VO ≥ 1.8V TJ = -40° to 85°C 130 150 mV eN Output noise voltage 10Hz to 100KHz, IO = 10mA, 110.7 µVRMS/VO SVR Supply voltage rejection ( Figure 7.) VI = VO(NOM)+0.5V±VRIPPLE VRIPPLE = 0.1V, f = 1KHz, IO = 10mA 60 dB VIN = VO(NOM)+0.5V±VRIPPLE VRIPPLE = 0.1V, f=10KHz, IO = 10mA 58 IQ Quiescent current ON MODE: VSHDN=1.4V IO=0mA 90 µA IO=0mA, TJ = -40° to 85°C 110 IO=0 to 300mA 105 IO=0 to 300mA, TJ = -40° to 85°C 130 Quiescent current OFF MODE: VSHDN=GND VI input current 0.15 0.5 ISC Short circuit current RL=0 650 mA IO(PK) Peak output current VO ≥ VO(NOM) -5% 610 mA VSHDN Shutdown input logic low VI = 1.6V to 3.6V TJ = -40° to 85°C 0.4 V Shutdown input logic high 1.4 ISHDN Shutdown input current VSHDN=GND or VI 0.1 100 nA TON Turn on time Note 3 120 µs TSHDN Thermal shutdown Note 4 140 °C CO Output capacitor Capacitance 1 10 µF ESR 10 5000 m Ω |
类似零件编号 - LD3980PM12R |
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类似说明 - LD3980PM12R |
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