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ANALOG DEVICES LTC3812IFE-5#PBF
DC/DC Controller, Synchronous Buck, 6.2 V to 60 V Supply, 1 Output, TSSOP-EP-16
- Manufacturer:
- ANALOG DEVICES ANALOG DEVICES
- Manufacturer Part No:
- LTC3812IFE-5#PBF
- Order Code:
- 4026479
-
- Technical Datasheet:
- LTC3812IFE-5#PBF Datasheet
- ECAD / MCAD
-
Product Overview
LTC3812-5 is a synchronous step-down switching regulator controller that can directly step down voltages from upto 60V input, making it ideal for telecom and automotive applications. It uses a constant on-time valley current control architecture to deliver very low duty cycles with accurate cycle-by-cycle current limit without requiring a sense resistor. A precise internal reference provides 0.5% DC accuracy. A high bandwidth (25MHz) error amplifier provides very fast line and load transient response. Large 1ohm gate drivers allow the device to drive large power MOSFETs for higher current applications. The operating frequency is selected by an external resistor and is compensated for variations in VIN. A shutdown pin allows the device to be turned off reducing the supply current to
- INTVCC supply Voltage is 4.35V to 14V
- No current sense resistor required, dual N-channel MOSFET synchronous drive
- Extremely fast transient response, programmable soft-start
- Selectable pulse-skipping mode operation, power good output voltage monitor
- Adjustable cycle-by-cycle current limit, undervoltage lockout on driver supply
- Output overvoltage protection
- Adjustable on-time/frequency: tON(MIN) is 100ns maximum at (ON = 2500μA, TA = 25°C)
- INTVCC supply current is 3mA typ at (RUN/SS
1.5V, TA = 25°C) - INTVCC shutdown current is 224μA typical at (RUN/SS = 0V, TA = 25°C)
- Operating junction temperature is -40°C to 125°C, package style is 16-lead plastic TSSOP
Product Information
Technical Documents (1)
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