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reference designNCP3231 | Demoboard STR-NCP3231-EVK

Onsemi NCP3231 | Demoboard STR-NCP3231-EVK

STR-NCP3231-EVK: Strata Enabled NCP3231,18V Input, 30A, Voltage-Mode Synchronous Buck Converter

Overview

TopologyBuck Converter
Input voltage4.5-23 V
Switching frequency550-1100 kHz
Output 130 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 Status Product seriesL
(mm)		ToTiλDom typ.
(nm)		Emitting ColorλPeak typ.
(nm)		IV typ.
(mcd)		VF typ.
(V)		Chip Technology2θ50% typ.
(°)		CTol. CVR
(V (DC))		SizeOperating TemperatureQ
(%)		DF
(%)		RISOCeramic TypeW
(mm)		Fl
(mm)		PackagingL
(µH)		IRP,40K
(A)		ISAT,10%
(A)		ISAT,30%
(A)		RDC max.
(mΩ)		MaterialQmin.LR
(µH)		fres
(MHz)		SW
(mm)		ApplicationInterface TypeTypeGenderPins
(pcs)		MountWorking Voltage
(V (AC))		Pitch
(mm)		RowsIR
(A)		H
(mm)		Operation Force
(g)		Electrical Life
(Cycles)		Actuator ColorWashableVaporphase process Samples
885012204002SPEC
8 files

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 Active i| Production is active. Expected lifetime: >10 years.WCAP-CSGP MLCCs 50 V(DC) 0.6 – – – – – – – – –680 pF ±10% 50 0201 -55 °C up to +125 °C – 310 GΩ X7R Class II 0.3 0.15 7" Tape & Reel – – – – – – – – – – – – – – – – – – – – 0.3 – – – – –
885012005007SPEC
7 files

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 Active i| Production is active. Expected lifetime: >10 years.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 7" Tape & Reel – – – – – – 600 – – – – – – – – – – – – – 0.5 – – – – –
885012205008SPEC
9 files

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 Active i| Production is active. Expected lifetime: >10 years.WCAP-CSGP MLCCs 10 V(DC) 1 – – – – – – – – –2.2 nF ±10% 10 0402 -55 °C up to +125 °C – 510 GΩ X7R Class II 0.5 0.25 7" Tape & Reel – – – – – – – – – – – – – – – – – – – – 0.5 – – – – –
150060RS75000SPEC
26 files

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 Active i| Production is active. Expected lifetime: >10 years.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 – Tape and Reel – – – – – – – – – – – – – – – SMT – – – – 0.7 – – – – –
150060YS75000SPEC
26 files

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 Active i| Production is active. Expected lifetime: >10 years.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 – Tape and Reel – – – – – – – – – – – – – – – SMT – – – – 0.7 – – – – –
150060GS75000SPEC
26 files

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 Active i| Production is active. Expected lifetime: >10 years.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 – Tape and Reel – – – – – – – – – – – – – – – SMT – – – – 0.7 – – – – –
150060BS75000SPEC
26 files

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 Active i| Production is active. Expected lifetime: >10 years.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 – Tape and Reel – – – – – – – – – – – – – – – SMT – – – – 0.7 – – – – –
61300211121SPEC
–7 files

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 Active i| Production is active. Expected lifetime: >10 years.WR-PHD Pin Header - Single 5.08 – – – – – – – – – – – – – -40 °C up to +105 °C – –1000 MΩ – – – Bag – – – – – – – – – – – – Straight Pin Header 2 THT 250 2.54 Single 3 – – – – – –
7443340030SPEC

PCN pending

Due to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff.

9 files

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 Active i| Production is active. Expected lifetime: >10 years.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 – – – – – 2 SMT – – – 20.5 7.2 – – – – –
971100365SPEC
–3 files

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 Active i| Production is active. Expected lifetime: >10 years.WA-SPAIE Plastic Spacer Stud, metric, internal/ external 10 M3 M3 – – – – – – – – – – – -30 °C up to +110 °C – – – – – – Bag – – – – – Polyamide – – – 6 – – – – – – – – – – – – – – – –
61300411121SPEC
–7 files

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 Active i| Production is active. Expected lifetime: >10 years.WR-PHD Pin Header - Single 10.16 – – – – – – – – – – – – – -40 °C up to +105 °C – –1000 MΩ – – – Bag – – – – – – – – – – – – Straight Pin Header 4 THT 250 2.54 Single 3 – – – – – –
434153017835SPEC
–5 files

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 Active i| Production is active. Expected lifetime: >10 years.WS-TASV J-Bend SMT Tact Switch 3.5x2.9 mm – – – – – – – – – – – – 12 – -40 °C up to +85 °C – –100 MΩ – – – Tape and Reel – – – – – – – – – – – – – – – – – – – 0.05 1.7 350 200000 Blue No not specified
65100516121SPEC
–6 files

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 Active i| Production is active. Expected lifetime: >10 years.WR-USB Mini/Micro Connectors – – – – – – – – – – – – – – -40 °C up to +105 °C – –1000 MΩ – – – Tape and Reel & Mylar – – – – – – – – – – Mini USB 2.0 Type B Horizontal Receptacle 5 SMT 30 – – 1 – – – – – –
709940300SPEC
–3 files

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 Active i| Production is active. Expected lifetime: >10 years.WA-SNTE Snap-In Stop Spacer for Printed Circuit Boards – – M3 – – – – – – – – – – – -30 °C up to +85 °C – – – – – – Bag – – – – – Nylon 66 – – – 5.5 – – – – – – – – – – 2.4 – – – – –
Order Code Data­sheet Simu­lation
885012204002SPEC
885012005007SPEC
885012205008SPEC
150060RS75000SPEC
150060YS75000SPEC
150060GS75000SPEC
150060BS75000SPEC
61300211121SPEC
–
7443340030SPEC

PCN pending

Due to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff.

971100365SPEC
–
61300411121SPEC
–
434153017835SPEC
–
65100516121SPEC
–
709940300SPEC
–
Samples
Order Code Data­sheet Simu­lation Downloads Status Product seriesL
(mm)		ToTiλDom typ.
(nm)		Emitting ColorλPeak typ.
(nm)		IV typ.
(mcd)		VF typ.
(V)		Chip Technology2θ50% typ.
(°)		CTol. CVR
(V (DC))		SizeOperating TemperatureQ
(%)		DF
(%)		RISOCeramic TypeW
(mm)		Fl
(mm)		PackagingL
(µH)		IRP,40K
(A)		ISAT,10%
(A)		ISAT,30%
(A)		RDC max.
(mΩ)		MaterialQmin.LR
(µH)		fres
(MHz)		SW
(mm)		ApplicationInterface TypeTypeGenderPins
(pcs)		MountWorking Voltage
(V (AC))		Pitch
(mm)		RowsIR
(A)		H
(mm)		Operation Force
(g)		Electrical Life
(Cycles)		Actuator ColorWashableVaporphase process Samples
Online Evaluations