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LM25007MMX Folha de dados(PDF) 4 Page - National Semiconductor (TI) |
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LM25007MMX Folha de dados(HTML) 4 Page - National Semiconductor (TI) |
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. VIN to RTN 45V BST to RTN 59V SW to RTN (Steady State) -1V ESD Rating (Note 5) Human Body Model 2kV BST to V CC 45V BST to SW 14V VCC to RTN 14V All Other Inputs to RTN -0.3 to 7V Storage Temperature Range -65˚C to +150˚C Operating Ratings (Note 1) V IN 9V to 42V Junction Temperature −40˚C to + 125˚C Electrical Characteristics Specifications with standard type are for T J = 25˚C only; limits in boldface type apply over the full Operating Junction Tempera- ture (T J) range. Minimum and Maximum limits are guaranteed through test, design, or statistical correlation. Typical values rep- resent the most likely parametric norm at T J = 25˚C, and are provided for reference purposes only. Unless otherwise stated the following conditions apply: V IN = 24V, RON = 200k Ω. (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 (I CC) Non-Switching, FB = 3V 500 675 µA Shutdown/Standby Current RON/SD = 0V 70 150 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 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 = 40V Ron = 200K 450 615 810 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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