Product Summary
The LT1956EFE is a High Voltage, 1.5A, 500kHz Step-Down Switching Regulator. The LT1956EFE is included on the die along with all the necessary oscillator, control and logic circuitry. Current mode architecture provides fast transient response and good loop stability. The applications of the LT1956EFE include High Voltage, Industrial and Automotive, Portable Computers, Battery-Powered Systems, Battery Chargers, Distributed Power Systems.
Parametrics
LT1956EFE absolute maximum ratings: (1)Input Voltage (VIN): 60V; (2)BOOST Pin Above SW: 35V; (3)BOOST Pin Voltage: 68V; (4)SYNC, SENSE Voltage (LT1956-5): 7V; (5)SHDN Voltage: 6V; (6)BIAS Pin Voltage: 30V; (7)FB Pin Voltage/Current (LT1956): 3.5V/2mA; (8)Operating Junction Temperature Range: -40℃ to 125℃; (9)Storage Temperature Range:–65 to 150℃; (10)Lead Temperature (Soldering, 10 sec): 300℃.
Features
LT1956EFE features: (1)Wide Input Range: 5.5V to 60V; (2)1.5A Peak Switch Current; (3)Small 16-Pin SSOP or Thermally Enhanced TSSOP Package; (4)Saturating Switch Design: 0.2W; (5)Peak Switch Current Maintained Over Full Duty Cycle Range; (6)Constant 500kHz Switching Frequency; (7)Effective Supply Current: 2.5mA; (8)Shutdown Current: 25mA; (9)1.2V Feedback Reference (LT1956); (10)5V Fixed Output (LT1956-5); (11)Easily Synchronizable; (12)Cycle-by-Cycle Current Limiting.
Diagrams
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![]() IC REG BUCK ADJ 1.5A 16TSSOP |
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![]() LT1956EFE#PBF |
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![]() IC REG BUCK ADJ 1.5A 16TSSOP |
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![]() LT1956EFE#TR |
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![]() IC REG BUCK ADJ 1.5A 16TSSOP |
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![]() LT1956EFE#TRPBF |
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![]() IC REG BUCK ADJ 1.5A 16TSSOP |
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![]() LT1956EFE-5#PBF |
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![]() IC REG BUCK 5V 1.5A 16TSSOP |
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![]() LT1956EFE-5 |
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![]() IC REG BUCK 5V 1.5A 16TSSOP |
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![]() LT1956EFE-5#TR |
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![]() IC REG BUCK 5V 1.5A 16TSSOP |
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![]() LT1956EFE-5#TRPBF |
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![]() IC REG BUCK 5V 1.5A 16TSSOP |
![]() Data Sheet |
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