データシートサーチシステム |
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LM5008SD データシート(PDF) 4 Page - National Semiconductor (TI) |
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LM5008SD データシート(HTML) 4 Page - National Semiconductor (TI) |
4 / 15 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 to GND -0.3V to 100V BST to GND -0.3V to 114V SW to GND (Steady State) -1V ESD Rating (Note 5) Human Body Model 1.5kV BST to V CC 100V BST to SW 14V V CC to GND 14V All Other Inputs to GND -0.3 to 7V Lead Temperature (Soldering 4 sec) 200˚C Storage Temperature Range -55˚C to +150˚C Operating Ratings (Note 1) V IN 9.5V to 95V Operating Junction Temperature −40˚C to + 125˚C Electrical Characteristics Specifications with standard typeface are for T J = 25˚C, and those with boldface type apply over full Operating Junction Temperature range.V IN = 48V, unless otherwise stated (Note 3). Symbol Parameter Conditions Min Typ Max Units V CC Supply V CC Reg V CC Regulator Output 6.6 7 7.4 V V CC Current Limit (Note 4) 9.5 mA V CC undervoltage Lockout Voltage (V CC increasing) 6.3 V V CC Undervoltage Hysteresis 200 mV V CC UVLO Delay (filter) 100mV overdrive 10 µs I IN Operating Current Non-Switching, FB = 3V 485 675 µA I IN Shutdown Current R ON/SD=0V 76 150 µA Switch Characteristics Buck Switch Rds(on) I TEST = 200mA, (Note 6) 1.15 2.47 Ω Gate Drive UVLO V BST −VSW Rising 3.4 4.5 5.5 V Gate Drive UVLO Hysteresis 430 mV Current Limit Current Limit Threshold 0.41 0.51 0.61 A Current Limit Response Time I switch Overdrive = 0.1A Time to Switch Off 400 ns OFF time generator (test 1) FB=0V, R CL = 100K 35 µs OFF time generator (test 2) FB=2.3V, R CL = 100K 2.56 µs On Time Generator T ON - 1 Vin = 10V Ron = 200K 2.15 2.77 3.5 µs T ON - 2 Vin = 95V Ron = 200K 200 300 420 ns Remote Shutdown Threshold Rising 0.40 0.70 1.05 V Remote Shutdown Hysteresis 35 mV www.national.com 4 |
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同様の説明 - LM5008SD |
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