NCV890103: Automotive Switching Regulator, Buck, 1.2 A, 2 MHz, Reset, Adjustable Delay

NCV890103

Internal N−Channel Power Switch
Low VIN Operation Down to 4.5 V
High VIN Operation to 36 V
Withstands Load Dump to 40 V
2 MHz Free−running Switching Frequency
Reset with Adjustable Delay
Logic level Enable Input Can be Directly Tied to Battery
1.4 A (min) Cycle−by−Cycle Peak Current Limit
Short Circuit Protection enhanced by Frequency Foldback
±1.75% Output Voltage Tolerance
Output Voltage Adjustable Down to 0.8 V
1.4 Millisecond Internal Soft−Start
Thermal Shutdown (TSD)
Low Shutdown Current
NCV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements
Wettable Flanks DFN (pin edge plating)
These Devices are Pb−Free and RoHS Compliant

Document Title	Document ID/Size	Revision	Revision Date
NCV890103/04 Design Worksheet - Continuous Conduction Mode	NCV890103/04 design sheet (208kB)	2	Nov, 2014

Document Title	Document ID/Size	Revision
DFN10, 3x3, 0.5P	485C (33.7kB)	E

Document Title	Document ID/Size	Revision	Revision Date
Average model for ac simulation on PSPICE	NCV890103_04_AC_PSPICE (222kB)	0
Average model for fast transient simulations on PSPICE (no switching)	NCV890103_04_TRANAVG_PSPICE (290kB)	0

Document Title	Document ID/Size	Revision Date
NCV890103MWGEVB Bill of Materials ROHS Compliant	NCV890103MWGEVB_BOM_ROHS (129kB)
NCV890103MWGEVB Evaluation Board User's Manual	EVBUM2235/D (1097kB)	Apr, 2014
NCV890103MWGEVB Gerber Layout Files (Zip Format)	NCV890103MWGEVB_GERBER (86kB)
NCV890103MWGEVB Schematic	NCV890103MWGEVB_SCHEMATIC (51kB)
NCV890103MWGEVB Test Procedure	NCV890103MWGEVB_TEST_PROCEDURE (77kB)

Document Title	Document ID/Size	Revision	Revision Date
1.2A, 2MHz Automotive Buck Switching Regulator with RESET	NCV890103/D (157kB)	0	Dec, 2014

产品	状况	Compliance	简短说明
NCV890103MWGEVB	Active	Pb-free	Automotive Switching Regulator, Buck, 1.2 A, 2 MHz, Reset, Adjustable Delay Evaluation Board

产品	状况	Compliance	封装		MSL*	容器		预算价格 (1千个数量的单价）
NCV890103MWTXG	Active	AEC Qualified PPAP Capable Pb-free Halide free	DFN-10	485C	1	Tape and Reel	3000	$1.2

Product	Topology	Control Mode	VCC Min (V)	VCC Max (V)	VO Typ (V)	IO Typ (A)	Efficiency (%)	fSW Typ (kHz)
NCV890103MWTXG	Step-Down	Current Mode	4.5	40	Variable	1.2		2000

Datasheet: 1.2A, 2MHz Automotive Buck Switching Regulator with RESET (157kB) NCV890103










Other: DFN10, 3x3, 0.5P NLAS4684; NCV890103MWGEVB; NCV890103/04 Design Worksheet - Continuous Conduction Mode NCV890104; Average model for ac simulation on PSPICE NCV890104; Average model for fast transient simulations on PSPICE (no switching) NCV890104; NCV890103MWGEVB; NCV890103MWGEVB; NCV890103MWGEVB; NCV890103MWGEVB