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LP3985IBPX-4.7 Datasheet(PDF) 5 Page - National Semiconductor (TI) |
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LP3985IBPX-4.7 Datasheet(HTML) 5 Page - National Semiconductor (TI) |
5 / 17 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,VEN −0.3 to 6.5V V OUT -0.3 to (V IN+0.3) ≤ 6.5V Junction Temperature 150˚C Storage Temperature −65˚C to +150˚C Lead Temp. 235˚C Pad Temp. (Note 3) 235˚C Maximum Power Dissipation SOT23-5 (Note 4) micro SMD (Note 4) 364mW 355mW ESD Rating(Note 5) Human Body Model Machine Model 2kV 150V Operating Ratings (Notes 1, 2) V IN 2.5 to 6V V EN 0to(V IN+0.3) ≤ 6V Junction Temperature −40˚C to +125˚C Thermal Resistance θ JA (SOT23-5) θ JA (micro SMD) 220˚C/W 255˚C/W Maximum Power Dissipation SOT23-5 (Note 6) micro SMD (Note 6) 250mW 244mW Electrical Characteristics Unless otherwise specified: V IN =VOUT(nom) + 0.5V, CIN = 1 µF, IOUT = 1mA, COUT = 1 µF, CBYPASS = 0.01µF. Typical values and limits appearing in standard typeface are for T J = 25˚C. Limits appearing in boldface type apply over the entire junction temperature range for operation, −40˚C to +125˚C. (Note 7) (Note 8) Symbol Parameter Conditions Typ Limit Units Min Max ∆V OUT Output Voltage Tolerance I OUT = 1mA −2 −3 2 3 %of V OUT(nom) Line Regulation Error V IN =(VOUT(nom) + 0.5V) to 6.0V, For 4.7 to 5.0 options For all other options −0.19 −0.1 0.19 0.1 %/V Load Regulation Error (Note 9) I OUT = 1 mA to 150 mA LP3985IM5 (SOT23-5) 0.0025 0.005 %/mA LP3985 (micro SMD) 0.0004 0.002 Output AC Line Regulation V IN =VOUT(nom) + 1V, I OUT = 150 mA (Figure 1) 1.5 mV P-P PSRR Power Supply Rejection Ratio V IN =VOUT(nom) + 0.2V, f = 1 kHz, I OUT = 50mA(Figure 2) 50 dB V IN =VOUT(nom) + 0.2V, f = 10 kHz, I OUT = 50mA(Figure 2) 40 I Q Quiescent Current V EN = 1.4V, IOUT =0 mA For 4.7 to 5.0 options For all other options 100 85 165 150 µA V EN = 1.4V, IOUT = 0 to 150 mA For 4.7 to 5.0 options For all other options 155 140 250 200 V EN = 0.4V 0.003 1.5 Dropout Voltage (Note 10) I OUT =1mA 0.4 2 mV I OUT =50mA 20 35 I OUT = 100 mA 45 70 I OUT = 150 mA 60 100 I SC Short Circuit Current Limit Output Grounded (Steady State) 600 mA I OUT(PK) Peak Output Current V OUT ≥ V OUT(nom) - 5% 550 300 mA www.national.com 5 |
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