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LM2716 データシート(PDF) 5 Page - National Semiconductor (TI) |
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LM2716 データシート(HTML) 5 Page - National Semiconductor (TI) |
5 / 17 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 −0.3V to 22V SW1 Voltage −0.3V to 22V SW2 Voltage −0.3V to 22V FB1 Voltage −0.3V to 7V FB2 Voltage −0.3V to 7V V C1 Voltage 1.75V ≤ V C1 ≤ 2.25V V C2 Voltage 0.965V ≤ V C2 ≤ 1.565V SHDN1 Voltage −0.3V to 7.5V SHDN2 Voltage −0.3V to 7.5V SS1 Voltage −0.3V to 2.1V SS2 Voltage −0.3V to 0.6V FSLCT Voltage AGND to 5V CB1 Voltage V IN +7V(VIN =VSW) Maximum Junction Temperature 150˚C Power Dissipation(Note 2) Internally Limited Lead Temperature 300˚C Vapor Phase (60 sec.) 215˚C Infrared (15 sec.) 220˚C ESD Susceptibility (Note 3) Human Body Model 2kV Machine Model 200V Operating Conditions Operating Junction Temperature Range (Note 4) −40˚C to +125˚C Storage Temperature −65˚C to +150˚C Supply Voltage 4V to 20V SW1 Voltage 20V SW2 Voltage 20V Electrical Characteristics Specifications in standard type face are for T J = 25˚C and those with boldface type apply over the full Operating Tempera- ture Range (T J = −40˚C to +125˚C) Unless otherwise specified. VIN = 5V and IL = 0A, unless otherwise specified. Symbol Parameter Conditions Min (Note 4) Typ (Note 5) Max (Note 4) Units I Q Total Quiescent Current (both switchers) Not Switching 2.8 3.5 mA Switching, switch open 4 4.5 mA V SHDN =0V 9 15 µA V BG Bandgap Voltage 1.235 1.26 1.285 V I CL1(Note 6) Buck Switch Current Limit 95% Duty Cycle (Note 7) 1.8 A I CL2(Note 6) Boost Switch Current Limit 95% Duty Cycle (Note 7) 3.6 A I FB1 Buck FB Pin Bias Current (Note 8) V FB1 = 3.3V 65 75 µA I FB2 Boost FB Pin Bias Current (Note 8) V FB2 = 1.265V 27 55 nA V IN Input Voltage Range 420 V g m1 Buck Error Amp Transconductance ∆I = 20µA 1200 µmho g m2 Boost Error Amp Transconductance ∆I = 5µA 175 µmho A V1 Buck Error Amp Voltage Gain 100 V/V A V2 Boost Error Amp Voltage Gain 135 V/V D MAX Maximum Duty Cycle 90 95 98 % F SW Switching Frequency R F = 47.5k Ω 250 300 350 kHz R F = 22.6k Ω 500 600 700 kHz I SHDN1 Buck Shutdown Pin Current 0V < V SHDN1 < 7.5V −5 5 µA I SHDN2 Boost Shutdown Pin Current 0V < V SHDN2 < 7.5V −5 5 µA I L1 Buck Switch Leakage Current V DS = 20V 0.2 5 µA I L2 Boost Switch Leakage Current V DS = 20V 0.2 3 µA R DSON1 Buck Switch R DSON 160 m Ω R DSON2 Boost Switch R DSON 120 m Ω www.national.com 5 |
同様の部品番号 - LM2716 |
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同様の説明 - LM2716 |
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