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Onsemi NCP3231 | Demoboard STR-NCP3231-EVK
STR-NCP3231-EVK: Strata Enabled NCP3231,18V Input, 30A, Voltage-Mode Synchronous Buck Converter
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 | Status | Product series | L(mm) | To | Ti | λDom typ.(nm) | Emitting Color | λPeak typ.(nm) | IV typ.(mcd) | VF typ.(V) | Chip Technology | 2θ50% typ.(°) | C | Tol. C | VR(V (DC)) | Size | Operating Temperature | Q(%) | DF(%) | RISO | Ceramic Type | W(mm) | Fl(mm) | Packaging | L(µH) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC max.(mΩ) | Material | Qmin. | LR(µH) | fres(MHz) | SW(mm) | Interface Type | Type | Variant | Gender | Pins | Mount | IR(A) | Working Voltage(V (AC)) | H(mm) | Operation Force(g) | Electrical Life(Cycles) | Actuator Color | Washable | Vaporphase process | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WCAP-CSGP MLCCs 50 V(DC), 0.6 mm, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | Length0.6 mm | – | – | – | – | – | – | – | – | – | Capacitance680 pF | Capacitance±10% | Rated Voltage50 V (DC) | Size0201 | Operating Temperature -55 °C up to +125 °C | – | Dissipation Factor3 % | Insulation Resistance10 GΩ | Ceramic TypeX7R Class II | Width0.3 mm | Pad Dimension0.15 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | Q-Factor [1]600 | – | – | – | – | – | – | – | – | – | – | – | Height0.3 mm | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 10 V(DC), 1 mm, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 10 V(DC) | Length1 mm | – | – | – | – | – | – | – | – | – | Capacitance10 pF | Capacitance±5% | Rated Voltage10 V (DC) | Size0402 | Operating Temperature -55 °C up to +125 °C | Q-Factor600 % | – | Insulation Resistance10 GΩ | Ceramic TypeNP0 Class I | Width0.5 mm | Pad Dimension0.25 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | Q-Factor [1]600 | – | – | – | – | – | – | – | – | – | – | – | Height0.5 mm | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 10 V(DC), 1 mm, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 10 V(DC) | Length1 mm | – | – | – | – | – | – | – | – | – | Capacitance2.2 nF | Capacitance±10% | Rated Voltage10 V (DC) | Size0402 | Operating Temperature -55 °C up to +125 °C | – | Dissipation Factor5 % | Insulation Resistance10 GΩ | Ceramic TypeX7R Class II | Width0.5 mm | Pad Dimension0.25 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | Q-Factor [1]600 | – | – | – | – | – | – | – | – | – | – | – | Height0.5 mm | – | – | – | – | – | |||||
 | WL-SMCW SMT Mono-color Chip LED Waterclear, 1.6 mm, – | Downloads27 files RAY files
| Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Length1.6 mm | – | – | Dominant Wavelength [typ.]625 nm | Emitting ColorRed | Peak Wavelength [typ.]630 nm | Luminous Intensity [typ.]250 mcd | Forward Voltage [typ.]2 V | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | Size0603 | Operating Temperature -40 °C up to +85 °C | – | – | – | – | Width0.8 mm | – | PackagingTape and Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | MountSMT | – | – | Height0.7 mm | – | – | – | – | – | |||
| WL-SMCW SMT Mono-color Chip LED Waterclear, 1.6 mm, – | Downloads27 files RAY files
| Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Length1.6 mm | – | – | Dominant Wavelength [typ.]590 nm | Emitting ColorYellow | Peak Wavelength [typ.]595 nm | Luminous Intensity [typ.]120 mcd | Forward Voltage [typ.]2 V | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | Size0603 | Operating Temperature -40 °C up to +85 °C | – | – | – | – | Width0.8 mm | – | PackagingTape and Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | MountSMT | – | – | Height0.7 mm | – | – | – | – | – | |||
| WL-SMCW SMT Mono-color Chip LED Waterclear, 1.6 mm, – | Downloads27 files RAY files
| Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Length1.6 mm | – | – | Dominant Wavelength [typ.]525 nm | Emitting ColorGreen | Peak Wavelength [typ.]515 nm | Luminous Intensity [typ.]430 mcd | Forward Voltage [typ.]3.2 V | Chip TechnologyInGaN | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | Size0603 | Operating Temperature -40 °C up to +85 °C | – | – | – | – | Width0.8 mm | – | PackagingTape and Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | MountSMT | – | – | Height0.7 mm | – | – | – | – | – | |||
| WL-SMCW SMT Mono-color Chip LED Waterclear, 1.6 mm, – | Downloads28 files RAY files
| Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Length1.6 mm | – | – | Dominant Wavelength [typ.]470 nm | Emitting ColorBlue | Peak Wavelength [typ.]465 nm | Luminous Intensity [typ.]145 mcd | Forward Voltage [typ.]3.2 V | Chip TechnologyInGaN | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | Size0603 | Operating Temperature -40 °C up to +85 °C | – | – | – | – | Width0.8 mm | – | PackagingTape and Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | MountSMT | – | – | Height0.7 mm | – | – | – | – | – | |||
 | WR-PHD Pin Header - Single, 5.08 mm, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Length5.08 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | – | Insulation Resistance1000 MΩ | – | – | – | PackagingBag | – | – | – | – | – | – | – | – | – | – | – | TypeStraight | – | GenderPin Header | Pins2 | MountTHT | Rated Current3 A | Working Voltage250 V (AC) | – | – | – | – | – | – | |||
 | WE-HCC SMT High Current Cube Inductor, 8.4 mm, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCC SMT High Current Cube Inductor | Length8.4 mm | – | – | – | – | – | – | – | – | – | – | – | – | Size8070 | Operating Temperature -40 °C up to +125 °C | – | – | – | – | Width7.9 mm | – | – | Inductance0.3 µH | Performance Rated Current25.5 A | Saturation Current @ 10%35.4 A | Saturation Current @ 30%40.3 A | DC Resistance2.7 mΩ | MaterialFerrite | – | Rated Inductance0.3 µH | Self Resonant Frequency272 MHz | – | – | – | – | – | Pins2 | MountSMT | Rated Current20.5 A | – | Height7.2 mm | – | – | – | – | – | ||||
 | WA-SPAIE Plastic Spacer Stud, metric, internal/ external, 10 mm, M3 | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWA-SPAIE Plastic Spacer Stud, metric, internal/ external | Length10 mm | Outer ThreadM3 | Inner ThreadM3 | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -30 °C up to +110 °C | – | – | – | – | – | – | PackagingBag | – | – | – | – | – | MaterialPolyamide | – | – | – | SW6 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |||
 | WR-PHD Pin Header - Single, 10.16 mm, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Length10.16 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | – | Insulation Resistance1000 MΩ | – | – | – | PackagingBag | – | – | – | – | – | – | – | – | – | – | – | TypeStraight | – | GenderPin Header | Pins4 | MountTHT | Rated Current3 A | Working Voltage250 V (AC) | – | – | – | – | – | – | |||
 | WS-TASV J-Bend SMT Tact Switch 3.5x2.9 mm, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWS-TASV J-Bend SMT Tact Switch 3.5x2.9 mm | – | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage12 V (DC) | – | Operating Temperature -40 °C up to +85 °C | – | – | Insulation Resistance100 MΩ | – | – | – | PackagingTape and Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Current0.05 A | – | Height1.7 mm | Operation Force350 g | Electrical Life200000 Cycles | Actuator ColorBlue | WashableNo | Vaporphase processnot specified | |||
 | WR-USB Mini/Micro Connectors, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-USB Mini/Micro Connectors | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | – | Insulation Resistance1000 MΩ | – | – | – | PackagingTape and Reel & Mylar | – | – | – | – | – | – | – | – | – | – | Interface TypeType B | TypeHorizontal | Variantwith Pads & Pegs | GenderReceptacle | Pins5 | MountSMT | Rated Current1 A | Working Voltage30 V (AC) | – | – | – | – | – | – | |||
 | WA-SNTE Snap-In Stop Spacer for Printed Circuit Boards, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWA-SNTE Snap-In Stop Spacer for Printed Circuit Boards | – | – | Inner ThreadM3 | – | – | – | – | – | – | – | – | – | – | – | Operating Temperature -30 °C up to +85 °C | – | – | – | – | – | – | PackagingBag | – | – | – | – | – | MaterialNylon 66 | – | – | – | SW5.5 mm | – | – | – | – | – | – | – | – | Height2.4 mm | – | – | – | – | – |