NCP1578 controller equivalent, synchronous step-down controller.
soft-start sequence, UVLO for linear regulator and switcher, overvoltage protection, overcurrent protection, and thermal shutdown. The IC is packaged in QFN20.
Features
<.
*ăNetwork HUB, Switchers and Routers
*ă3-Cell and 4-Cell Li-ion Battery-Powered Devices
*ăPersonal Computer .
Pin No.
Symbol
Description
1
FPWM
FPWM or Power Saving Control. Logic high enables force PWM. Logic low enables power saving
operation.
2
EN_LDO
LDO enable input. The 5 V LDO is enabled if EN_LDO is high and disabled if it is low. This pin .
Image gallery
TAGS
Download (Size : 1.89MB)