| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Frequency | 200kHz ~ 1MHz |
| Number of Pins | 28 Pin |
| Case/Package | TSSOP-28 |
| Number of Outputs | 1 Output |
| Input Voltage (DC) | 6.00V ~ 60.0V |
| Output Voltage | 55 V |
| Output Current | 20 A |
| Number of Positions | 28 Position |
| Switching Frequency | 1 MHz |
| Input Voltage (Max) | 60 V |
| Input Voltage (Min) | 6 V |
| Output Voltage (Max) | 55 V |
| Output Current (Max) | 20 A |
| Operating Temperature (Max) | 150 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Unknown |
| Packaging | Each |
| Operating Temperature | -40℃ ~ 150℃ (TJ) |
The LT3763HFE#PBF is a fixed frequency synchronous step-down DC/DC Controller designed to accurately regulate output currents up to 20A. The average current mode controller will maintain inductor current regulation over a wide output voltage range from 0 to 55V. Voltage regulation and over-voltage protection are set with a voltage divider from the output to the FB pin. The switching frequency is programmable from 200kHz to 1MHz through an external resistor on the RT pin or with the SYNC pin and an external clock signal. Input and output current sensing provides input current limiting and an accurate measurement of these currents. The FBIN pin is provided for applications requiring a peak power tracking function. Additional features include an accurate external reference voltage for use with the CTRL pins, an accurate UVLO/EN pin that allows for programmable UVLO hysteresis, a PWM driver for LED applications, output voltage fault detection and thermal shutdown.
● Accurately control input and output current
● 3000:1 True colour PWM™ dimming
● <2µA Shutdown current
● Control pin for thermal control of load current
● Input and output current monitor and limit
● Open, short and C/10 fault detection
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