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LM5007MM Datasheet(PDF) 4 Page - National Semiconductor (TI) |
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LM5007MM Datasheet(HTML) 4 Page - National Semiconductor (TI) |
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4 / 12 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 80V BST to GND 94V SW to GND (Steady State) -1V ESD Rating (Note 5) Human Body Model 2kV Machine Model 200V BST to V CC 80V BST to SW 14V V CC to GND 14V All Other Inputs to GND -0.3 to 7V Lead Temperature (Soldering 4 sec) 260˚C Storage Temperature Range -55˚C to +150˚C Operating Ratings (Note 1) V IN 9V to 75V 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 Startup Regulator V CC Reg V CC Regulator Output 6.6 7 7.4 V V CC Current Limit (Note 4) 11 mA V CC Supply V CC undervoltage Lockout Voltage (V CC increasing) 6.3 V V CC Undervoltage Hysteresis 206 mV V CC UVLO Delay (filter) 3 µs Operating Current (ICC) Non-Switching, FB = 3V 500 675 µA Shutdown/Standby Current R ON = 0V 100 200 µA Switch Characteristics Buck Switch Rds(on) I TEST = 200mA, VBST −VSW = 6.3V (Note 6) 0.74 1.34 Ω Gate Drive UVLO (VBST – VSW) Rising 3.4 4.5 5.5 V Gate Drive UVLO Hysteresis 400 mV Breakdown Voltage V IN to Ground T J = 25˚C T J = -40˚C to +125˚C 80 76 V Breakdown Voltage BST to V CC T J = 25˚C T J = -40˚C to +125˚C 80 76 V Current Limit Current Limit Threshold 535 725 900 mA Current Limit Response Time I switch Overdrive = 0.1A Time to Switch Off 225 ns OFF time generator (test 1) FB=0V, RCL = 100K 17 µs OFF time generator (test 2) FB=2.3V, RCL = 100K 2.65 µs On Time Generator TON -1 Vin = 10V Ron = 200K 2.15 2.77 3.5 µs TON -2 Vin = 75V Ron = 200K 290 390 490 ns Remote Shutdown Threshold Rising 0.45 0.7 1.1 V Remote Shutdown Hysteresis 40 mV www.national.com 4 |
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