NCP1578 datasheet(11/22 Pages) ONSEMI

Part #	NCP1578

Description	Synchronous Step-Down Controller with 50 mA Linear Regulator

Download	22 Pages

Scroll/Zoom	100%

Manufacturer	ONSEMI [ON Semiconductor]

Direct Link	http://www.onsemi.com

Logo

11 / 22 page

NCP1578

http://onsemi.com

11

TYPICAL OPERATING CHARACTERISTICS

Figure 22. Switcher Operation - CCM Mode

Figure 23. Switcher Operation - DCM Mode

Figure 24. Switcher Operation - Pulse

SkippingMode (PSM)

Figure 25. Switcher Operation - PSM Zoom-In

Figure 26. Load Transient - Load Step Up

Figure 27. Load Transient - Load Release

Similar Part No. - NCP1578

Manufacturer	Part #	Datasheet	Description
ON Semiconductor	NCP1570	279Kb / 14P	Low Voltage Synchronous Buck Controller July, 2006 ??Rev. 5
	NCP1570D	279Kb / 14P	Low Voltage Synchronous Buck Controller July, 2006 ??Rev. 5
	NCP1570DR2	279Kb / 14P	Low Voltage Synchronous Buck Controller July, 2006 ??Rev. 5
	NCP1571	104Kb / 16P	Low Voltage Synchronous Buck Controller October, 2004 ??Rev. 4
	NCP1571D	104Kb / 16P	Low Voltage Synchronous Buck Controller October, 2004 ??Rev. 4

Manufacturer	Part #	Datasheet	Description
Linear Technology	LTC3851-1	362Kb / 28P	Synchronous Step-Down Switching Regulator Controller
	LTC3851	320Kb / 28P	Synchronous Step-Down Switching Regulator Controller
	LTC3851A-1	436Kb / 30P	Synchronous Step-Down Switching Regulator Controller
	LTC3851A	440Kb / 30P	Synchronous Step-Down Switching Regulator Controller
	LTC3851	335Kb / 28P	Synchronous Step-Down Switching Regulator Controller
	LTC3851-1	342Kb / 28P	Synchronous Step-Down Switching Regulator Controller
	LT3500	328Kb / 28P	Monolithic 2A Step-Down Regulator Plus Linear Regulator/Controller
	LT3500	286Kb / 28P	Monolithic 2A Step-Down Regulator Plus Linear Regulator/Controller
	LT1939	347Kb / 24P	Monolithic 2A Step-Down Regulator Plus Linear Regulator/Controller
	LT1939EDD	354Kb / 24P	Monolithic 2A Step-Down Regulator Plus Linear Regulator/Controller