NCP3020B controller equivalent, synchronous pwm controller.
include lossless current limit and short circuit protection, output overvoltage protection, output undervoltage protection, and input undervoltage lockout. The NCP3020 is.
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* This is a Pb−Free Device
VIN CIN
CBST VCC BST
HSDR
Q1
COMP
VSW
L0 Vout
R.
Pin Pin Name
Description
1 VCC The VCC pin is the main voltage supply input. It is also used in conjunction with the VSW pin to sense current in the high side MOSFET.
2 COMP The COMP pin connects to the output of the Operational Transconductance .
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