NCP1578 Datasheet - ON Semiconductor

NCP1578 Synchronous Step-Down Controller

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 can sustain voltage as high as VBAT. 3 OCSET I.

NCP1578 Features

* soft-start sequence, UVLO for linear regulator and switcher, overvoltage protection, overcurrent protection, and thermal shutdown. The IC is packaged in QFN20. Features

* ăFixed 5.0 V/50 mA Internal Linear Regulator

* ăAdjustable PWM Output Voltage

* ă1.5% Accuracy 0.8 V Referen

NCP1578 Datasheet (1.89 MB)