L4978

Опис

2A STEP DOWN SWITCHING REGULATOR

? UP TO 2A STEP DOWN CONVERTER
? OPERATING INPUT VOLTAGE FROM 8V TO
55V
? PRECISE 3.3V (±1%) INTERNAL
REFERENCE VOLTAGE
? OUTPUT VOLTAGE ADJUSTABLE FROM
3.3V TO 50V
? SWITCHING FREQUENCY ADJUSTABLE UP
TO 300KHz
? VOLTAGE FEEDFORWARD
? ZERO LOAD CURRENT OPERATION
? INTERNAL CURRENT LIMITING (PULSEBYPULSE
AND HICCUP MODE)
? INHIBIT FOR ZERO CURRENT
CONSUMPTION
? PROTECTION AGAINST FEEDBACK
DISCONNECTION
? THERMAL SHUTDOWN
? SOFT START FUNCTION