RT6541D controller equivalent, high efficiency single synchronous buck pwm controller.
* Built-in 1% Reference Voltage
* 4700ppm/°C Programmable Current Limit by Low-
Side RDS(ON) Sensing
* 3V to 26V Battery Input Range
* Drives Large Synchr.
* Notebook Computers
* Generic DC-DC Power Regulator
Simplified Application Circuit VIN
RT6541D
R4
Q1
CIN
.
The RT6541D PWM controller provides high efficiency, excellent transient response, and high DC output accuracy needed for stepping down high voltage batteries to generate low voltage 0.77V.
The constant-on-time PWM control scheme handles wide input/o.
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