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LP3982IMM-1.8 Datasheet(PDF) 2 Page - National Semiconductor (TI) |
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LP3982IMM-1.8 Datasheet(HTML) 2 Page - National Semiconductor (TI) |
2 / 12 page Absolute Maximum Ratings (Notes 1, 2) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. V IN,VOUT,VSHDN,VSET,VCC, V FAULT −0.3V to 6.5V Fault Sink Current 20mA Power Dissipation (Note 3) Storage Temperature Range −65˚C to 160˚C Junction Temperature (T J) 150˚C Lead Temperature (10 sec.) 260˚C ESD Rating Human Body Model (Note 6) 2kV Machine Model 200V Thermal Resistance ( θ JA) 8-Pin MSOP 223˚C/W 8-Pin LLP (Note 3) Operating Ratings(Note 1), (Note 2) Temperature Range −40˚C to 85˚C Supply Voltage 2.5V to 6.0V Electrical Characteristics Unless otherwise specified, all limits guaranteed for V IN =VO +0.5V (Note 7), VSHDN =VIN,CIN =COUT = 2.2µF, CCC = 33nF, T J = 25˚C. Boldface limits apply for the operating temperature extremes: −40˚C and 85˚C. Symbol Parameter Conditions Min (Note 5) Typ (Note 4) Max (Note 5) Units V IN Input Voltage 2.5 6.0 V ∆V O Output Voltage Tolerance 100µA ≤ I OUT ≤ 300mA V IN =VO +0.5V, (Note 7) SET = OUT for the Adjust Versions −2 +2 %of V OUT (NOM) −3 +3 V O Output Adjust Range Adjust Version Only 1.25 6 V I O Maximum Output Current Average DC Current Rating 300 mA I LIMIT Output Current Limit 330 770 mA I Q Supply Current I OUT = 0mA 90 270 µA I OUT = 300mA 225 Shutdown Supply Current V O = 0V, SHDN = GND 0.001 1 µA V DO Dropout Voltage (Note 7), (Note 8) I OUT = 1mA 0.4 mV I OUT = 200mA 80 220 I OUT = 300mA 120 ∆V O Line Regulation I OUT = 1mA, (VO + 0.5V) ≤ V I ≤ 6V (Note 7) −0.1 0.01 0.1 %/V Load Regulation 100µA ≤ I OUT ≤ 300mA 0.002 %/mA e n Output Voltage Noise I OUT = 10mA, 10Hz ≤ f ≤ 100kHz 37 µV RMS Output Voltage Noise Density 10Hz ≤ f ≤ 100kHz, C OUT = 10µF 190 nV/ V SHDN SHDN Input Threshold V IH,(VO + 0.5V) ≤ V I ≤ 6V (Note 7) 2 V V IL,(VO + 0.5V) ≤ V I ≤ 6V (Note 7) 0.4 I SHDN SHDN Input Bias Current SHDN = GND or IN 0.1 100 nA I SET SET Input Leakage SET = 1.3V, Adjust Version Only (Note 9) 0.1 2.5 nA V FAULT FAULTDetection Voltage V O ≥ 2.5V, I OUT = 200mA (Note 10) 120 280 mV FAULT Output Low Voltage I SINK = 2mA 0.115 0.25 V I FAULT FAULT Off-Leakage Current FAULT = 3.6V, SHDN = 0V 0.1 100 nA T SD Thermal Shutdown Temperature 160 ˚C Thermal Shutdown Hysteresis 10 T ON Start-Up Time C OUT = 10µF, VO at 90% of Final Value 120 µs www.national.com 2 |
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