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LM2795TLX 데이터시트(PDF) 3 Page - National Semiconductor (TI) |
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LM2795TLX 데이터시트(HTML) 3 Page - National Semiconductor (TI) |
3 / 16 page Absolute Maximum Ratings (Note 1) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. V IN −0.5 to 6.2V max SD −0.5 to (V IN+0.3V) w/ 6.2V max BRGT −0.5 to (V IN+0.3V) w/ 6.2V max Continuous Power Dissipation (Note 2) Internally Limited T JMAX (Note 2) 135˚C θ JA (Notes 2, 3) 125˚C/W Storge Temperature −65˚C to +150˚C Lead Temp. (Soldering, 5 sec.) 260˚C ESD Rating (Note 4) Human Body Model 2kV Machine Model 200V Operating Conditions Input Voltage (V IN) 2.7V to 5.5V Ambient Temperature (T A) −30˚C to +85˚C Junction Temperature (T J) −30˚C to +100˚C Electrical Characteristics Limits in standard typeface are for T J = 25˚C and limits in boldface type apply over the full Operating Junction Temperature Range (−30˚C ≤ T J ≤ +100˚C). Unless otherwise specified, C1 = C2 = C IN =CHOLD = 1 µF, VIN = 3.6V, BRGT pin = 0V; RSET =124 Ω ; LM2794:V SD =VIN (LM2795: VSD = 0V). Symbol Parameter Conditions Min Typ Max Units I DX Available Current at Output Dx 3.0V ≤ V IN ≤ 5.5V V DX ≤ 3.8V BRGT = 50mV 15 16.8 mA 2.7V ≤ V IN ≤ 3.0V V DX ≤ 3.6V BRGT = 0V 10 mA V DX ≤ 3.8V BRGT = 200mV 20 mA V DX Available Voltage at Output Dx 3.0V ≤ V IN ≤ 5.5V I DX ≤ 15mA BRGT = 50mV 3.8 V I DX Line Regulation of Dx Output Current 3.0V ≤ V IN ≤ 5.5V V DX = 3.6V 14.18 15.25 16.78 mA 3.0V ≤ V IN ≤ 4.4V V DX = 3.6V 14.18 15.25 16.32 mA I DX Load Regulation of Dx Output Current V IN = 3.6V 3.0V ≤ V DX ≤ 3.8V 14.18 15.25 16.32 mA I D-MATCH Current Matching Between Any Two Outputs V IN = 3.6V, VDX = 3.6V 0.5 % I Q Quiescent Supply Current 3.0V ≤ V IN ≤ 4.2V, Active, No Load Current R SET = OPEN 5.5 8.2 mA I SD Shutdown Supply Current 3.0V ≤ V IN ≤ 5.5V, Shutdown 2.3 5 µA I PULL-SD Shutdown Pull-Up Current (LM2795) V IN = 3.6V 1.5 µA V CP Input Charge-Pump Mode To Pass Mode Threshold 4.7 V V CPH Input Charge-Pump Mode To Pass Mode Hysteresis (Note 5) 250 mV V IH SD Input Logic High (LM2794) 3.0V ≤ V IN ≤ 5.5V 1.0 V SD Input Logic High (LM2795) 0.8V IN V IL SD Input Logic Low (LM2794) 3.0V ≤ V IN ≤ 5.5V 0.2 V SD Input Logic Low (LM2795) 0.2V IN I LEAK-SD SD Input Leakage Current 0V ≤ V SD ≤ V IN 100 nA R BRGT BRGT Input Resistance 240 k Ω I SET I SET Pin Output Current I DX/10 mA www.national.com 3 |
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