step-down switching regulator ic.
* PWM switching control
* Pulse-by-pulse over current protection
* Operating Voltage
2.2V to 8V
* Wide Oscillator Range 300kHz to 1MHz
* Maximum.
Step-Down Converter
RSC VIN
CIN
C
FET
L
SBD
COUT
NJU7640
1 OUT GND 8
2 V+
RT 7
3 FB
DTC 6
CNF
RNF 4 IN- SENS.
The NJU7640 is a low voltage operation high-speed switching regulator control IC for step-down converter, with a pulse-by-pulse over-current protection. The pulse-by-pulse over-current protection circuit can limit the over current in switching operat.
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