Product Summary
The LT1777CS is a Buck (step-down) regulator. The LT1777CS designed for noise sensitive applications. The LT1777CS contains a dI/dt limiting circuit programmed via a small external inductor in the switching path. Internal circuitry also generates controlled dV/dt ramp rates. The applications of the LT1777CS include Automotive Cellular and GPS Receivers, Telecom Power Supplies, Industrial Instrument Power Supplies.
Parametrics
LT1777CS absolute maximum ratings: (1)Supply Voltage: 48V; (2)Switch Voltage (VIN – VSW) (Note 4): 51V; (3)SHDN, SYNC Pin Voltage: 7V; (4)VCC Pin Voltage: 30V; (5)FB Pin Voltage: 3.0V; (6)Operating Junction Temperature Range: 0 ℃ to 125 ℃; (7)Storage Temperature Range: –65 ℃ to 150 ℃; (8)Lead Temperature (Soldering, 10 sec): 300 ℃.
Features
LT1777CS features: (1)Programmable dI/dt Limit; (2)Internally Limited dV/dt; (3)High Input Voltage: 48V Max; (4)700mA Peak Switch Rating; (5)True Current Mode Control; (6)100kHz Fixed Operating Frequency; (7)Synchronizable to 250 kHz; (8)Low Supply Current in Shutdown: 30 μA; (9)Low Thermal Resistance 16-Pin SO Package.
Diagrams
Image | Part No | Mfg | Description | Pricing (USD) |
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LT1777CS |
IC REG BUCK ADJ 0.7A 16SOIC |
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LT1777CS#PBF |
IC REG BUCK ADJ 0.7A 16SOIC |
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LT1777CS#TR |
IC REG BUCK ADJ 0.7A 16SOIC |
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LT1777CS#TRPBF |
IC REG BUCK ADJ 0.7A 16SOIC |
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