lt4250lis8-trpbf Linear Technology Corporation, lt4250lis8-trpbf Datasheet
lt4250lis8-trpbf
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lt4250lis8-trpbf Summary of contents
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... The LT4250L is designed for modules with a low enable input and the LT4250H for modules with a high enable input. The LT4250L/LT4250H are available in 8-pin PDIP and SO packages. , LTC and LT are registered trademarks of Linear Technology Corporation. Hot Swap is a trademark of Linear Technology Corporation ...
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... LT4250LI/LT4250HI .......................... – Storage Temperature Range ................ – 150 C Lead Temperature (Soldering, 10 sec)................. 300 ORDER PART NUMBER LT4250LCN8 PWRGD 1 LT4250LCS8 OV 2 LT4250LIN8 UV 3 LT4250LIS8 PACKAGE S8 PART MARKING 8-LEAD PDIP T = 125 C, JMAX 4250L T = 125 C, JMAX 4250LI The denotes the specifications which apply over the full operating = 25 C ...
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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifications are at T SYMBOL PARAMETER V OV Pin Hysteresis OVHY I OV Pin Input Current INOV V DRAIN Low Threshold DL V GATE High Threshold GH I Drain Input Bias Current DRAIN V PWRGD ...
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LT4250L/LT4250H W U TYPICAL PERFOR A CE CHARACTERISTICS Gate Voltage vs Temperature 15 48V DD 14.5 14.0 13.5 13.0 12.5 12.0 – 50 – 100 TEMPERATURE ( C) 1640 G04 Gate Pull-Down Current ...
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PIN FUNCTIONS OV (Pin 2): Analog Overvoltage Input. When OV is pulled above the 1.255V threshold, an overvoltage condition is detected and the GATE pin will be immediately pulled low. The GATE pin will remain low until ...
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LT4250L/LT4250H PWRGD/PWRGD DRAIN V OV LT4250L/LT4250H UV GATE SENSE EE Figure 1a. Test Circuit TIMING DIAGRAMS 2V 1.255V PHLOV GATE 1V Figure ...
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U U APPLICATIONS INFORMATION Hot Circuit Insertion When circuit boards are inserted into a live – 48V backplane, the bypass capacitors at the input of the board’s power module or switching power supply can draw huge tran- sient currents as ...
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LT4250L/LT4250H U U APPLICATIONS INFORMATION Current Limit/Electronic Circuit Breaker The LT4250 features a current limit function that protects against short circuits or excessive supply currents. If the current limit is active for more than 500 s the electronic circuit breaker ...
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U U APPLICATIONS INFORMATION A circuit that automatically resets the circuit breaker after a current fault is shown in Figure 10. Transistors Q2 and Q3 along with R7, R8, C4 and D1 form a programmable one-shot circuit. Before a short ...
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LT4250L/LT4250H U U APPLICATIONS INFORMATION Undervoltage and Overvoltage Detection The UV (Pin 3) and OV (Pin 2) pins can be used to detect undervoltage and overvoltage conditions at the power supply input. The UV and OV pins are internally connected ...
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... FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. ...
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... Dual ON Pins for Supplies from 3V to 15V 2.5V to 16.5V Supplies, Active Inrush Current Limiting Active Current Limiting, Fast Comparator for Catastrophic Faults Active Current Limiting, Fast Comparator for Catastrophic Faults, Separate UV/0V Pins, Power-Good Output LT/TP 0402 2K • PRINTED IN USA LINEAR TECHNOLOGY CORPORATION 2001 100 F 16V 4250lhf ...