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reference designNCP3235 | Demoboard ONSEC-18-017

Onsemi NCP3235 | Demoboard ONSEC-18-017

4.5 V to 23 V, DC/DC Converter with Integrated MOSFETs

Overview

TopologyBuck Converter
Input voltage4-21 V
Output 10.6 V / 15 A
IC revision1.0

Description

The NCP3235 is a 15 A DC/DC converter with internal MOSFETs and offers flexibility in design. The device can deliver an adjustable output voltage as low as 0.6V to over 80% of the input voltage. Features include adjustable current limit, output voltage, and soft-start timing. Pin selectable features enable switching frequencies of 550 kHz or 1 MHz, selecting DCM/CCM operating modes, and the ability latch off or hiccup mode during over current. The part can be configure to operate in ultra-sonic mode to stay out of the audio band. The part is offered in a thermally enhanced 6mm by 6mm TQFN package.

Features

  • Accurate 0.6 V reference
  • DCM/CCM selectable options
  • 550kHz/1.1MHz switching frequency
  • Ultra-sonic mode
  • Thermally enhanced QFN package
  • Wide operating range 4.5 V to 21 V
  • Adjustable soft start

Typical applications

  • Computing/Servers
  • Datacom/Networking
  • FGPA, ASIC, DSP power / 12 V Point of load

More information

Products

Order Code Data­sheet Simu­lation Downloads Status Product seriesL
(mm)		TiλDom typ.
(nm)		Emitting ColorλPeak typ.
(nm)		IV typ.
(mcd)		VF typ.
(V)		Chip Technology2θ50% typ.
(°)		CTol. CVR
(V (DC))		SizeOperating TemperatureQDF
(%)		RISOCeramic TypeW
(mm)		Fl
(mm)		L
(µH)		IRP,40K
(A)		ISAT,10%
(A)		ISAT,30%
(A)		RDC max.
(mΩ)		MaterialQmin.LR
(µH)		fres
(MHz)		SW
(mm)		ApplicationInterface TypeMountWorking Voltage
(V (AC))		H
(mm)		Operation Force (Value)
(g)		Electrical Life
(Cycles)		Actuator ColorVaporphase processPins (Value)
(pcs)		RowsGenderTypeIR
(A)		Packaging Samples
885012005007SPEC
6 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 – – – – – – 600 – – – – – – – 0.5 – – – – – – – – – 7" Tape & Reel
885012205060SPEC
8 files

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 Active i| Production is active. Expected lifetime: >10 years.WCAP-CSGP MLCCs 50 V(DC) 1 – – – – – – – –680 pF ±10% 50 0402 -55 °C up to +125 °C – 2.510 GΩ X7R Class II 0.5 0.25 – – – – – – – – – – – – – – 0.5 – – – – – – – – – 7" Tape & Reel
885012205063SPEC
8 files

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 Active i| Production is active. Expected lifetime: >10 years.WCAP-CSGP MLCCs 50 V(DC) 1 – – – – – – – –2.2 nF ±10% 50 0402 -55 °C up to +125 °C – 2.510 GΩ X7R Class II 0.5 0.25 – – – – – – – – – – – – – – 0.5 – – – – – – – – – 7" Tape & Reel
150060RS75000SPEC
25 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 – – – – – – – – – – – – – SMT – 0.7 – – – – – – – – – Tape and Reel
150060YS75000SPEC
25 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 – – – – – – – – – – – – – SMT – 0.7 – – – – – – – – – Tape and Reel
150060GS75000SPEC
25 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 – – – – – – – – – – – – – SMT – 0.7 – – – – – – – – – Tape and Reel
150060BS75000SPEC
25 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 – – – – – – – – – – – – – SMT – 0.7 – – – – – – – – – Tape and Reel
61300211121SPEC
–6 files

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 Active i| Production is active. Expected lifetime: >10 years.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
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.

8 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 – – – SMT – 7.2 – – – – 2 – – – 20.5 –
61300411121SPEC
–6 files

EDA models: Components
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 Active i| Production is active. Expected lifetime: >10 years.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
971100365SPEC
–3 files

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 Active i| Production is active. Expected lifetime: >10 years.WA-SPAIE Plastic Spacer Stud, metric, internal/ external – – – – – – – – – – – – -30 °C up to +110 °C – – – – – – – – – – – Polyamide – – – – – – – – – – – – – – – – – – Bag
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 – – – – – – – – – – – – – – – – – 1.7 350 200000 Blue not specified – – – – 0.05 Tape and Reel
65100516121SPEC
–6 files

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 Active i| Production is active. Expected lifetime: >10 years.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
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 – – – – – – – – – – – Nylon 66 – – – 5.5 – – – – 2.4 – – – – – – – – – Bag
Order Code Data­sheet Simu­lation
885012005007SPEC
885012205060SPEC
885012205063SPEC
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.

61300411121SPEC
–
971100365SPEC
–
434153017835SPEC
–
65100516121SPEC
–
709940300SPEC
–
Samples
Order Code Data­sheet Simu­lation Downloads Status Product seriesL
(mm)		TiλDom typ.
(nm)		Emitting ColorλPeak typ.
(nm)		IV typ.
(mcd)		VF typ.
(V)		Chip Technology2θ50% typ.
(°)		CTol. CVR
(V (DC))		SizeOperating TemperatureQDF
(%)		RISOCeramic TypeW
(mm)		Fl
(mm)		L
(µH)		IRP,40K
(A)		ISAT,10%
(A)		ISAT,30%
(A)		RDC max.
(mΩ)		MaterialQmin.LR
(µH)		fres
(MHz)		SW
(mm)		ApplicationInterface TypeMountWorking Voltage
(V (AC))		H
(mm)		Operation Force (Value)
(g)		Electrical Life
(Cycles)		Actuator ColorVaporphase processPins (Value)
(pcs)		RowsGenderTypeIR
(A)		Packaging Samples