Onsemi NCP3231 | Demoboard STR-NCP3231-EVK | Würth Elektronik Reference Design Search

IC reference design search

reference designNCP3231 | Demoboard STR-NCP3231-EVK

Overview

Topology	Buck Converter
Input voltage	4.5-23 V
Switching frequency	550-1100 kHz
Output 1	30 A

Description

The NCP3231 is a high current, high efficiency 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

Strata-enabled Configurability and Telemetry
Switching Frequency Option: 550 kHz, 1.1 MHz
External Programmable Soft−Start
Lossless Low−side FET Current Sensing
Output Over−voltage Protection and Under−voltage Protection
Selective Hiccup/Latch Off Operation for All Faults
Pre−bias Start−up
Power Good Output
Internal Over−temperature Protection
Adjustable Input UVLO

Typical applications

ASIC, FPGA, DSP and CPU Core and I/O Supplies
Server and Storage System, Telecom and Network Equipmen
Industry PC Equipment,

More information

Products

	Order Code	Datasheet	Simulation	Downloads	Product series	L (mm)	T_o	T_i	λ_{Dom typ.} (nm)	Emitting Color	λ_{Peak typ.} (nm)	I_{V typ.} (mcd)	V_{F typ.} (V)	Chip Technology	2θ_{50% typ.} (°)	C	Tol. C	V_R (V (DC))	Size	Operating Temperature	Q	DF (%)	R_ISO	Ceramic Type	W (mm)	Fl (mm)	L (µH)	I_RP,40K (A)	I_SAT,10% (A)	I_SAT,30% (A)	R_{DC max.} (mΩ)	Material	Q_min.	L_R (µH)	f_res (MHz)	SW (mm)	Application	Interface Type	Mount	Working Voltage (V (AC))	H (mm)	Operation Force (Value) (g)	Electrical Life (Cycles)	Actuator Color	Vaporphase process	Pins	Rows	Gender	Type	I_R (A)	Packaging	Samples
	885012204002	SPEC		7 files EDA models: Components ZIP ALT Altium_WCAP-CSGP (rev24b).IntLib \| 898 KB CDS Cadence_WCAP-CSGP (rev24b).zip \| 685.2 KB EAG Eagle_WCAP-CSGP (rev24b).lbr \| 1.1 MB CAD files ZIP 3D 3D_0201; 0.6 x 0.3 x 0 (rev1).pdf \| 12.3 KB IGS Downloads_IGS_CSGP-0201 (rev1).igs \| 52.9 KB STP Downloads_STP_CSGP-0201 (rev1).stp \| 20.8 KB Electric models ZIP PSP PSpice_WCAP-CSGP (rev22c).zip \| 331.8 KB Download all 7 files as zip archive ZIP	WCAP-CSGP MLCCs 50 V(DC)	0.6	–	–	–	–	–	–	–	–	–	680 pF	±10%	50	0201	-55 °C up to +125 °C	–	3	10 GΩ	X7R Class II	0.3	0.15	–	–	–	–	–	–	–	–	–	–	–	–	–	–	0.3	–	–	–	–	–	–	–	–	–	7" Tape & Reel
	885012005007	SPEC		5 files EDA models: Components ZIP ALT Altium_WCAP-CSGP (rev24b).IntLib \| 898 KB ZUK Cadstar_WCAP-CSGP (rev21c).zip \| 46.5 KB CDS Cadence_WCAP-CSGP (rev24b).zip \| 685.2 KB EAG Eagle_WCAP-CSGP (rev24b).lbr \| 1.1 MB CAD files ZIP STP Download_STP_8850120050xx (rev1).stp \| 29.3 KB Download all 5 files as zip archive ZIP	WCAP-CSGP MLCCs 10 V(DC)	1	–	–	–	–	–	–	–	–	–	10 pF	±5%	10	0402	-55 °C up to +125 °C	600	–	10 GΩ	NP0 Class I	0.5	0.25	–	–	–	–	–	–	600	–	–	–	–	–	–	–	0.5	–	–	–	–	–	–	–	–	–	7" Tape & Reel
	885012205008	SPEC		8 files EDA models: Components ZIP ALT Altium_WCAP-CSGP (rev24b).IntLib \| 898 KB ZUK Cadstar_WCAP-CSGP (rev21c).zip \| 46.5 KB CDS Cadence_WCAP-CSGP (rev24b).zip \| 685.2 KB EAG Eagle_WCAP-CSGP (rev24b).lbr \| 1.1 MB CAD files ZIP 3D 1.0x0.5x0.5x0 (rev1).pdf \| 12.2 KB IGS IGS_1.0 x 0.5 x 0 (rev1).igs \| 52.9 KB STP Download_STP_8850120050xx (rev1).stp \| 29.3 KB Electric models ZIP PSP PSpice_WCAP-CSGP (rev22c).zip \| 331.8 KB Download all 8 files as zip archive ZIP	WCAP-CSGP MLCCs 10 V(DC)	1	–	–	–	–	–	–	–	–	–	2.2 nF	±10%	10	0402	-55 °C up to +125 °C	–	5	10 GΩ	X7R Class II	0.5	0.25	–	–	–	–	–	–	–	–	–	–	–	–	–	–	0.5	–	–	–	–	–	–	–	–	–	7" Tape & Reel
	150060RS75000	SPEC		25 files EDA models: Components ZIP ALT Altium_WL-SMCW (rev22d).IntLib \| 741.5 KB CDS Cadence_WL-SMCW (rev24a).zip \| 996.7 KB EAG Eagle_WL-SMCW (rev22c).lbr \| 64.2 KB CAD files ZIP IGS IGS_150060xS75000 (rev1).igs \| 314.9 KB STP STP_150060xS75000 (rev1).stp \| 135.1 KB Electric models ZIP PSP PSpice_WL-SMCW (rev22b).zip \| 9.8 KB RAY files RIR Photopia_rir_150060RS75000_5M (rev1p0).zip \| 121 MB SRC Lucaray-maker_src_150060RS75000_5M (rev1p0).zip \| 121 MB ASA ASAP-and-APEX_dis_150060RS75000_5M (rev1p0).zip \| 121 MB COD CodeV_ray_150060RS75000_5M (rev1p0).zip \| 121 MB FRE Fred_dat_150060RS75000_5M (rev1p0).zip \| 121 MB FRE Fred_txt_150060RS75000_5M (rev1p0).zip \| 189 MB LIG LightTools_ray_150060RS75000_5M (rev1p0).zip \| 121 MB LIG LightTools_txt_150060RS75000_5M (rev1p0).zip \| 189 MB LUC LucidShape_ray_150060RS75000_5M (rev1p0).zip \| 121 MB LUC LucidShape_txt_150060RS75000_5M (rev1p0).zip \| 189 MB OPT optalix_DIS_150060RS75000_5M (rev1p0).zip \| 121 MB OPT OpTaliX_txt_150060RS75000_5M (rev1p0).zip \| 189 MB OPT OptiCAD_dat_150060RS75000_5M (rev1p0).zip \| 121 MB OPT OptiCAD_txt_150060RS75000_5M (rev1p0).zip \| 189 MB SIM Simulux_ray_150060RS75000_5M (rev1p0).zip \| 121 MB SPE Speos_ray_150060RS75000_5M (rev1p0).zip \| 125.7 MB TRA TracePro_txt_150060RS75000_5M (rev1p0).zip \| 189.1 MB ZEM Zemax_dat_150060RS75000_5M (rev1p0).zip \| 189 MB ZEM ZemaxBin_dat_150060RS75000_5M (rev1p0).zip \| 121 MB	WL-SMCW SMT Mono-color Chip LED Waterclear	1.6	–	–	625	Red	630	250	2	AlInGaP	140	–	–	–	0603	-40 °C up to +85 °C	–	–	–	–	0.8	–	–	–	–	–	–	–	–	–	–	–	–	–	SMT	–	0.7	–	–	–	–	–	–	–	–	–	Tape and Reel
	150060YS75000	SPEC		25 files EDA models: Components ZIP ALT Altium_WL-SMCW (rev22d).IntLib \| 741.5 KB CDS Cadence_WL-SMCW (rev24a).zip \| 996.7 KB EAG Eagle_WL-SMCW (rev22c).lbr \| 64.2 KB CAD files ZIP IGS IGS_150060xS75000 (rev1).igs \| 314.9 KB STP STP_150060xS75000 (rev1).stp \| 135.1 KB Electric models ZIP PSP PSpice_WL-SMCW (rev22b).zip \| 9.8 KB RAY files RIR Photopia_rir_150060YS75000_5M (rev1p0).zip \| 121.1 MB SRC Lucaray-maker_src_150060YS75000_5M (rev1p0).zip \| 121.1 MB ASA ASAP-and-APEX_dis_150060YS75000_5M (rev1p0).zip \| 121.1 MB COD CodeV_ray_150060YS75000_5M (rev1p0).zip \| 121.1 MB FRE Fred_dat_150060YS75000_5M (rev1p0).zip \| 121.1 MB FRE Fred_txt_150060YS75000_5M (rev1p0).zip \| 189.9 MB LIG LightTools_ray_150060YS75000_5M (rev1p0).zip \| 121.1 MB LIG LightTools_txt_150060YS75000_5M (rev1p0).zip \| 189.9 MB LUC LucidShape_ray_150060YS75000_5M (rev1p0).zip \| 121.1 MB LUC LucidShape_txt_150060YS75000_5M (rev1p0).zip \| 189.8 MB OPT optalix_DIS_150060YS75000_5M (rev1p0).zip \| 121.1 MB OPT OpTaliX_txt_150060YS75000_5M (rev1p0).zip \| 189.9 MB OPT OptiCAD_dat_150060YS75000_5M (rev1p0).zip \| 121.1 MB OPT OptiCAD_txt_150060YS75000_5M (rev1p0).zip \| 189.8 MB SIM Simulux_ray_150060YS75000_5M (rev1p0).zip \| 121.1 MB SPE Speos_ray_150060YS75000_5M (rev1p0).zip \| 125.7 MB TRA TracePro_txt_150060YS75000_5M (rev1p0).zip \| 189.9 MB ZEM Zemax_dat_150060YS75000_5M (rev1p0).zip \| 189.8 MB ZEM ZemaxBin_dat_150060YS75000_5M (rev1p0).zip \| 121.1 MB	WL-SMCW SMT Mono-color Chip LED Waterclear	1.6	–	–	590	Yellow	595	120	2	AlInGaP	140	–	–	–	0603	-40 °C up to +85 °C	–	–	–	–	0.8	–	–	–	–	–	–	–	–	–	–	–	–	–	SMT	–	0.7	–	–	–	–	–	–	–	–	–	Tape and Reel
	150060GS75000	SPEC		25 files EDA models: Components ZIP ALT Altium_WL-SMCW (rev22d).IntLib \| 741.5 KB CDS Cadence_WL-SMCW (rev24a).zip \| 996.7 KB EAG Eagle_WL-SMCW (rev22c).lbr \| 64.2 KB CAD files ZIP IGS IGS_150060xS75000 (rev1).igs \| 314.9 KB STP STP_150060xS75000 (rev1).stp \| 135.1 KB Electric models ZIP PSP PSpice_WL-SMCW (rev22b).zip \| 9.8 KB RAY files RIR Photopia_rir_150060GS75000_5M (rev1p0).zip \| 120.7 MB SRC Lucaray-maker_src_150060GS75000_5M (rev1p0).zip \| 120.7 MB ASA ASAP-and-APEX_dis_150060GS75000_5M (rev1p0).zip \| 120.7 MB COD CodeV_ray_150060GS75000_5M (rev1p0).zip \| 120.7 MB FRE Fred_dat_150060GS75000_5M (rev1p0).zip \| 120.7 MB FRE Fred_txt_150060GS75000_5M (rev1p0).zip \| 189.4 MB LIG LightTools_ray_150060GS75000_5M (rev1p0).zip \| 120.7 MB LIG LightTools_txt_150060GS75000_5M (rev1p0).zip \| 189.4 MB LUC LucidShape_ray_150060GS75000_5M (rev1p0).zip \| 120.7 MB LUC LucidShape_txt_150060GS75000_5M (rev1p0).zip \| 189.4 MB OPT optalix_DIS_150060GS75000_5M (rev1p0).zip \| 120.7 MB OPT OpTaliX_txt_150060GS75000_5M (rev1p0).zip \| 189.4 MB OPT OptiCAD_dat_150060GS75000_5M (rev1p0).zip \| 120.7 MB OPT OptiCAD_txt_150060GS75000_5M (rev1p0).zip \| 189.4 MB SIM Simulux_ray_150060GS75000_5M (rev1p0).zip \| 120.7 MB SPE Speos_ray_150060GS75000_5M (rev1p0).zip \| 125.4 MB TRA TracePro_txt_150060GS75000_5M (rev1p0).zip \| 189.4 MB ZEM Zemax_dat_150060GS75000_5M (rev1p0).zip \| 189.4 MB ZEM ZemaxBin_dat_150060GS75000_5M (rev1p0).zip \| 120.7 MB	WL-SMCW SMT Mono-color Chip LED Waterclear	1.6	–	–	525	Green	515	430	3.2	InGaN	140	–	–	–	0603	-40 °C up to +85 °C	–	–	–	–	0.8	–	–	–	–	–	–	–	–	–	–	–	–	–	SMT	–	0.7	–	–	–	–	–	–	–	–	–	Tape and Reel
	150060BS75000	SPEC		25 files EDA models: Components ZIP ALT Altium_WL-SMCW (rev22d).IntLib \| 741.5 KB CDS Cadence_WL-SMCW (rev24a).zip \| 996.7 KB EAG Eagle_WL-SMCW (rev22c).lbr \| 64.2 KB CAD files ZIP IGS IGS_150060xS75000 (rev1).igs \| 314.9 KB STP STP_150060xS75000 (rev1).stp \| 135.1 KB Electric models ZIP PSP PSpice_WL-SMCW (rev22b).zip \| 9.8 KB RAY files RIR Photopia_rir_150060BS75000_5M (rev1p0).zip \| 120.7 MB SRC Lucaray-maker_src_150060BS75000_5M (rev1p0).zip \| 120.7 MB ASA ASAP-and-APEX_dis_150060BS75000_5M (rev1p0).zip \| 120.7 MB COD CodeV_ray_150060BS75000_5M (rev1p0).zip \| 120.7 MB FRE Fred_dat_150060BS75000_5M (rev1p0).zip \| 120.7 MB FRE Fred_txt_150060BS75000_5M (rev1p0).zip \| 189.6 MB LIG LightTools_ray_150060BS75000_5M (rev1p0).zip \| 120.7 MB LIG LightTools_txt_150060BS75000_5M (rev1p0).zip \| 189.6 MB LUC LucidShape_ray_150060BS75000_5M (rev1p0).zip \| 120.7 MB LUC LucidShape_txt_150060BS75000_5M (rev1p0).zip \| 189.6 MB OPT optalix_DIS_150060BS75000_5M (rev1p0).zip \| 120.7 MB OPT OpTaliX_txt_150060BS75000_5M (rev1p0).zip \| 189.6 MB OPT OptiCAD_dat_150060BS75000_5M (rev1p0).zip \| 120.7 MB OPT OptiCAD_txt_150060BS75000_5M (rev1p0).zip \| 189.6 MB SIM Simulux_ray_150060BS75000_5M (rev1p0).zip \| 120.7 MB SPE Speos_ray_150060BS75000_5M (rev1p0).zip \| 125.5 MB TRA TracePro_txt_150060BS75000_5M (rev1p0).zip \| 189.6 MB ZEM Zemax_dat_150060BS75000_5M (rev1p0).zip \| 189.6 MB ZEM ZemaxBin_dat_150060BS75000_5M (rev1p0).zip \| 120.7 MB	WL-SMCW SMT Mono-color Chip LED Waterclear	1.6	–	–	470	Blue	465	145	3.2	InGaN	140	–	–	–	0603	-40 °C up to +85 °C	–	–	–	–	0.8	–	–	–	–	–	–	–	–	–	–	–	–	–	SMT	–	0.7	–	–	–	–	–	–	–	–	–	Tape and Reel
	61300211121	SPEC	–	6 files EDA models: Components ZIP ALT Altium_WR-PHD (rev24a).IntLib \| 34.1 MB CDS Cadence_WR-PHD (rev24c).zip \| 63.9 MB EAG Eagle_WR-PHD (rev24b).lbr \| 5.2 MB CAD files ZIP 3D 3D_61300211121 (rev1).pdf \| 21.6 KB IGS Download_IGES_61300211121 (rev1).iges \| 257.6 KB STP Download_STP_61300211121 (rev1).stp \| 63.3 KB	WR-PHD 2.54 mm THT Pin Header	5.08	–	–	–	–	–	–	–	–	–	–	–	–	–	-40 °C up to +105 °C	–	–	1000 MΩ	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	THT	250	–	–	–	–	–	2	Single	Pin Header	Straight	3	Bag
	7443340030	SPEC		8 files EDA models: Components ZIP ALT WE-HCC (rev22c).IntLib \| 378.5 KB CDS Cadence_WE-HCC (rev23a).zip \| 7.4 MB EAG Eagle_WE-HCC (rev24a).lbr \| 49.6 KB CAD files ZIP 3D 3D_WE-HCC-8070_7443340xxx_3D (rev1).pdf \| 5.8 MB IGS WE-HCC-8070 (rev1).igs \| 3.4 MB STP WE-HCC-8070 (rev1).stp \| 1 MB Electric models ZIP PSP PSpice_WE-HCC (rev22a).zip \| 9.6 KB SCS Spectre_WE-HCC (rev23a).mod \| 11.4 KB Download all 8 files as zip archive ZIP	WE-HCC SMT High Current Cube Inductor	8.4	–	–	–	–	–	–	–	–	–	–	–	–	8070	-40 °C up to +125 °C	–	–	–	–	7.9	–	0.3	25.5	35.4	40.3	2.7	Ferrite	–	0.3	272	–	–	–	SMT	–	7.2	–	–	–	–	2	–	–	–	20.5	–
	971100365	SPEC	–	3 files CAD files ZIP 3D 3D_971100365 (rev1).pdf \| 58.7 KB IGS Download_IGS_971100365 (rev1).igs \| 204.2 KB STP Download_STEP_971100365 (rev1).stp \| 48.5 KB Download all 3 files as zip archive ZIP	WA-SPAIE Plastic Spacer Stud, metric, internal/ external	10	M3	M3	–	–	–	–	–	–	–	–	–	–	–	-30 °C up to +110 °C	–	–	–	–	–	–	–	–	–	–	–	Polyamide	–	–	–	6	–	–	–	–	–	–	–	–	–	–	–	–	–	–	Bag
	61300411121	SPEC	–	6 files EDA models: Components ZIP ALT Altium_WR-PHD (rev24a).IntLib \| 34.1 MB CDS Cadence_WR-PHD (rev24c).zip \| 63.9 MB EAG Eagle_WR-PHD (rev24b).lbr \| 5.2 MB CAD files ZIP 3D 3D_61300411121 (rev1).pdf \| 30 KB IGS Download_IGES_61300411121 (rev1).iges \| 435.9 KB STP Download_STP_61300411121 (rev1).stp \| 104.9 KB	WR-PHD 2.54 mm THT Pin Header	10.16	–	–	–	–	–	–	–	–	–	–	–	–	–	-40 °C up to +105 °C	–	–	1000 MΩ	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	THT	250	–	–	–	–	–	4	Single	Pin Header	Straight	3	Bag
	434153017835	SPEC	–	5 files EDA models: Components ZIP ALT Altium_WS-TASV (rev24b).IntLib \| 2 MB CDS Cadence_WS-TASV (rev24a).zip \| 12.6 MB EAG Eagle_WS-TASV (rev24a).lbr \| 408.8 KB CAD files ZIP IGS Download_IGS_434153017835 (rev1).igs \| 1.6 MB STP Download_STP_434153017835 (rev1).stp \| 641.5 KB Download all 5 files as zip archive ZIP	WS-TASV J-Bend SMT Tact Switch 3.5x2.9 mm	–	–	–	–	–	–	–	–	–	–	–	–	12	–	-40 °C up to +85 °C	–	–	100 MΩ	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	1.7	350	200000	Blue	not specified	–	–	–	–	0.05	Tape and Reel
	65100516121	SPEC	–	6 files EDA models: Components ZIP ALT Altium_WR-USB (rev24b).IntLib \| 12.1 MB CDS Cadence_WR-COM_USB (rev24c).zip \| 61.6 MB EAG Eagle_WR-USB (rev24b).lbr \| 448.3 KB CAD files ZIP 3D 3D_65100516121 (rev1).pdf \| 224.5 KB IGS Download_IGS_65100516121 (rev1).igs \| 3.2 MB STP Download_STP_65100516121 (rev1).stp \| 1.2 MB Download all 6 files as zip archive ZIP	WR-COM Mini USB 2.0 Type B SMT Horizontal 5 Contacts	–	–	–	–	–	–	–	–	–	–	–	–	–	–	-40 °C up to +105 °C	–	–	1000 MΩ	–	–	–	–	–	–	–	–	–	–	–	–	–	Mini USB	Type B	SMT	30	–	–	–	–	–	5	–	Receptacle	Horizontal	1	Tape and Reel & Mylar
	709940300	SPEC	–	3 files CAD files ZIP 3D 3D_709940300 (rev1).pdf \| 56.4 KB IGS Download_IGS_709940300 (rev1).igs \| 217.9 KB STP Downloads_STEP_709940300 (rev1).stp \| 60.7 KB Download all 3 files as zip archive ZIP	WA-SNTE Snap-In Stop Spacer for Printed Circuit Boards	–	–	M3	–	–	–	–	–	–	–	–	–	–	–	-30 °C up to +85 °C	–	–	–	–	–	–	–	–	–	–	–	Nylon 66	–	–	–	5.5	–	–	–	–	2.4	–	–	–	–	–	–	–	–	–	Bag

	Order Code	Datasheet	Simulation
	885012204002	SPEC
	885012005007	SPEC
	885012205008	SPEC
	150060RS75000	SPEC
	150060YS75000	SPEC
	150060GS75000	SPEC
	150060BS75000	SPEC
	61300211121	SPEC	–
	7443340030	SPEC
	971100365	SPEC	–
	61300411121	SPEC	–
	434153017835	SPEC	–
	65100516121	SPEC	–
	709940300	SPEC	–

Samples

	Order Code	Datasheet	Simulation	Downloads	Product series	L (mm)	T_o	T_i	λ_{Dom typ.} (nm)	Emitting Color	λ_{Peak typ.} (nm)	I_{V typ.} (mcd)	V_{F typ.} (V)	Chip Technology	2θ_{50% typ.} (°)	C	Tol. C	V_R (V (DC))	Size	Operating Temperature	Q	DF (%)	R_ISO	Ceramic Type	W (mm)	Fl (mm)	L (µH)	I_RP,40K (A)	I_SAT,10% (A)	I_SAT,30% (A)	R_{DC max.} (mΩ)	Material	Q_min.	L_R (µH)	f_res (MHz)	SW (mm)	Application	Interface Type	Mount	Working Voltage (V (AC))	H (mm)	Operation Force (Value) (g)	Electrical Life (Cycles)	Actuator Color	Vaporphase process	Pins	Rows	Gender	Type	I_R (A)	Packaging	Samples