Onsemi NCP3231 | Demoboard NCP3231GEVB | Würth Elektronik Reference Design Search

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reference designNCP3231 | Demoboard NCP3231GEVB

Overview

Topology	Buck Converter
Input voltage	4.5-18 V
Output 1	0.6 V / 25 A

Description

The NCP3231 is a high current, high efficiency, voltage−feed− forward voltage−mode synchronous buck converter which operates from 4.5 V to 18 V input and generates output voltages down to 0.6 V at up to 25 A DC load or 30 A instantaneous load.

Features

Wide Input Voltage Range from 4.5 V to 18 V
0.6 V Internal Reference Voltage
500 kHz Switching Frequency
External Programmable Soft−start
Lossless Low−side FET Current Sensing
Output Over−voltage Protection and Under−voltage Protection
System Over−temperature Protection using a Thermistor or Sensor
Hiccup Mode Operation for All Faults
Pre−bias Start−up
Adjustable Output Voltage
Power Good Output
Internal Over−temperature Protection
This is a Pb−Free Device*

More information

Products

	Order Code	Datasheet	Simulation	Downloads	Status	Product series	L (µH)	I_RP,40K (A)	I_SAT,10% (A)	I_SAT,30% (A)	R_{DC max.} (mΩ)	Material	L_R (µH)	f_res (MHz)	Pins (pcs)	Application	PCB/Cable/Panel	Modularity	Type	Wire Section	Samples
	7443320047	SPEC		9 files EDA models: Components ZIP ALT WE-HCC (rev25a).IntLib \| 322.5 KB CDS Cadence_WE-HCC (rev25a).zip \| 3.8 MB EAG Eagle_WE-HCC (rev24b).lbr \| 55.5 KB KIC KiCad_WE-HCC (rev25a).zip \| 1.2 MB CAD files ZIP 3D 3D_WE-HCC-1210_FERRITE_744332xxxx_3D (rev1).pdf \| 641.2 KB IGS IGS_WE-HCC-1210_FERRITE_744332xxxx (rev1).igs \| 6.4 MB STP WE-HCC-1210_FERRITE (rev1).stp \| 2 MB Electric models ZIP PSP PSpice_WE-HCC (rev22a).zip \| 9.6 KB SCS Spectre_WE-HCC (rev24a).mod \| 11.4 KB Download all 9 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	WE-HCC SMT High Current Cube Inductor	0.47	40.2	49.9	54.7	1.85	Ferrite	0.46	138	2	–	–	–	–	–
	691351500004	SPEC	–	3 files CAD files ZIP 3D 691351500004_1 (rev1).pdf \| 334.5 KB IGS 691351500004 (rev1).igs \| 3.6 MB STP 691351500004 (rev1).stp \| 809.4 KB Download all 3 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	WR-TBL Series 351 - 5.08 mm Vertical	–	–	–	–	–	–	–	–	4	Pluggable	Cable	No	Vertical	12 to 24 (AWG) 3.31 to 0.205 (mm²)
	691351500006	SPEC	–	3 files CAD files ZIP 3D 691351500006_1 (rev1).pdf \| 434.5 KB IGS 691351500006 (rev1).igs \| 4.8 MB STP 691351500006 (rev1).stp \| 1.1 MB Download all 3 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	WR-TBL Series 351 - 5.08 mm Vertical	–	–	–	–	–	–	–	–	6	Pluggable	Cable	No	Vertical	12 to 24 (AWG) 3.31 to 0.205 (mm²)
	691313510004	SPEC	–	6 files EDA models: Components ZIP ALT Altium_WR-TBL_Pluggable Connector (rev25d).IntLib \| 121.1 MB CDS Cadence_WR-TBL (rev25b).zip \| 422.6 MB EAG Eagle_WR-TBL Pluggable Connector (rev25b).lbr \| 4.8 MB CAD files ZIP 3D 3D_691313510004 (rev1).pdf \| 112.1 KB IGS Download_IGES_691313510004 (rev1).iges \| 1021.4 KB STP Download_STP_691313510004 (rev1).stp \| 386.5 KB	Active i\| Production is active. Expected lifetime: >10 years.	WR-TBL Series 313 - 5.08 mm Close Horizontal PCB Header	–	–	–	–	–	–	–	–	4	Pluggable	PCB	No	Horizontal	–
	691313510006	SPEC	–	6 files EDA models: Components ZIP ALT Altium_WR-TBL_Pluggable Connector (rev25d).IntLib \| 121.1 MB CDS Cadence_WR-TBL (rev25b).zip \| 422.6 MB EAG Eagle_WR-TBL Pluggable Connector (rev25b).lbr \| 4.8 MB CAD files ZIP 3D 3D_691313510006 (rev1).pdf \| 156.6 KB IGS Download_IGES_691313510006 (rev1).iges \| 1.4 MB STP Download_STP_691313510006 (rev1).stp \| 542.4 KB	Active i\| Production is active. Expected lifetime: >10 years.	WR-TBL Series 313 - 5.08 mm Close Horizontal PCB Header	–	–	–	–	–	–	–	–	6	Pluggable	PCB	No	Horizontal	–

	Order Code	Datasheet	Simulation
	7443320047	SPEC
	691351500004	SPEC	–
	691351500006	SPEC	–
	691313510004	SPEC	–
	691313510006	SPEC	–

Samples

	Order Code	Datasheet	Simulation	Downloads	Status	Product series	L (µH)	I_RP,40K (A)	I_SAT,10% (A)	I_SAT,30% (A)	R_{DC max.} (mΩ)	Material	L_R (µH)	f_res (MHz)	Pins (pcs)	Application	PCB/Cable/Panel	Modularity	Type	Wire Section	Samples

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