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reference designCAV4201TD-GT3 | Demoboard ONSEC-18-030

Onsemi CAV4201TD-GT3 | Demoboard ONSEC-18-030

Overview

TopologyBuck Converter
Switching frequency1000 kHz

Description

The CAV4201 is a high efficiency step−down converter optimized to drive high current LEDs. A patented switching control algorithm allows highly efficient and accurate LED current regulation. A single RSET resistor sets the full scale LED string current up to 350 mA from supplies as high as 36 V. The switching architecture of the CAV4201 results in extremely low internal power dissipation allowing the device to be housed in a tiny package without the need for dedicated heat sinking. The device is compatible with switching frequencies of up to 1 MHz, making it ideal for applications requiring small footprint and low value external inductors. Enable, analog dimming and LED shutdown control is provided via a single input pin, CTRL. Additional features include overload current protection and thermal shutdown. The device is available in the low profile 5−lead thin SOT23 package and is ideal for space constrained applications.

Features

  • LED Drive Current up to 350 mA
  • Compatible with 12 V and 24 V Standard Systems
  • Handles Transients up to 40 V
  • Single Pin Control and Dimming Function
  • Power Efficiency up to 94%
  • Drives LED Strings of up to 32 V
  • Open and Short LED Protection
  • Parallel Configuration for Higher Output Current
  • CAV Prefix for Automotive and Other Applications requiring Site and Change Control
  • TSOT−23 5−lead Package
  • These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS Compliant

Typical applications

  • 12 V and 24 V Lighting Systems, Automotive and Aircraft Lighting, General Lighting, High Brightness 350 mA LEDs

More information

Products

Order Code Data­sheet Simu­lation Downloads Status Product seriesApplicationPCB/Cable/PanelModularityWire SectionλDom typ.
(nm)		Emitting ColorλPeak typ.
(nm)		λPeak B typ.
(nm)		λPeak G typ.
(nm)		λPeak R typ.
(nm)		λDom B typ.
(nm)		λDom G typ.
(nm)		λDom R typ.
(nm)		ΦV typ.
(lm)		IV typ.
(mcd)		IV B typ.
(mcd)		IV G typ.
(mcd)		IV R typ.
(mcd)		VF typ.
(V)		VF B typ.
(V)		VF G typ.
(V)		VF R typ.
(V)		Chip Technology2θ50% typ.
(°)		SizeMountIR
(A)		Working Voltage
(V (AC))		L
(µH)		ISAT
(A)		RDC
(mΩ)		fres
(MHz)		Interface TypeH
(mm)		Operation Force (Value)
(g)		Electrical Life
(Cycles)		Actuator ColorVaporphase processZ @ 100 MHz
(Ω)		Zmax
(Ω)		Test Condition ZmaxIR
(A)		Z @ 1 GHz
(Ω)		TypePins (Value)
(pcs)		RowsGenderPackaging Samples
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 Mini USB – – – – – – – – – – – – – – – – – – – – – – – – SMT – 30 – – – – Type B – – – – – – – – 1 – Horizontal 5 – Receptacle Tape and Reel & Mylar
691102710002SPEC
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 Active i| Production is active. Expected lifetime: >10 years.WR-TBL Series 102 - 5.00 mm Horizontal Entry Modular Wire Protector PCB Yes 22 to 14 (AWG) 0.75 to 1.5 (mm²) – – – – – – – – – – – – – – – – – – – – – THT – 250 – – – – – 10 – – – – – – – 17.5 – Horizontal 2 – – Box
74279220321SPEC
9 files

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 Active i| Production is active. Expected lifetime: >10 years.WE-MPSB EMI Multilayer Power Suppression Bead – – – – – – – – – – – – – – – – – – – – – – – – 0805 SMT – – – – – – – 0.9 – – – – 320 347 170 MHz 2.5 108 High Current – – – –
74404024220SPEC
8 files

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 Active i| Production is active. Expected lifetime: >10 years.WE-LQS SMT Power Inductor – – – – – – – – – – – – – – – – – – – – – – – – 2512 SMT – – 22 0.55 910 22 – 1.2 – – – – – – – 0.45 – – – – – –
74404052047SPEC
8 files

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 Active i| Production is active. Expected lifetime: >10 years.WE-LQS SMT Power Inductor – – – – – – – – – – – – – – – – – – – – – – – – 5020 SMT – – 4.7 2.7 55.9 57 – 2 – – – – – – – 2.3 – – – – – –
74404052220SPEC
8 files

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 Active i| Production is active. Expected lifetime: >10 years.WE-LQS SMT Power Inductor – – – – – – – – – – – – – – – – – – – – – – – – 5020 SMT – – 22 1.35 225 22 – 2 – – – – – – – 1.15 – – – – – –
150060RS75000SPEC
25 files

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 Active i| Production is active. Expected lifetime: >10 years.WL-SMCW SMT Mono-color Chip LED Waterclear – – – – 625 Red 630 – – – – – – – 250 – – – 2 – – – AlInGaP 140 0603 SMT – – – – – – – 0.7 – – – – – – – – – – – – – Tape and Reel
150060YS75000SPEC
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 Active i| Production is active. Expected lifetime: >10 years.WL-SMCW SMT Mono-color Chip LED Waterclear – – – – 590 Yellow 595 – – – – – – – 120 – – – 2 – – – AlInGaP 140 0603 SMT – – – – – – – 0.7 – – – – – – – – – – – – – Tape and Reel
150060GS75000SPEC
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 Active i| Production is active. Expected lifetime: >10 years.WL-SMCW SMT Mono-color Chip LED Waterclear – – – – 525 Green 515 – – – – – – – 430 – – – 3.2 – – – InGaN 140 0603 SMT – – – – – – – 0.7 – – – – – – – – – – – – – Tape and Reel
150060BS75000SPEC
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 Active i| Production is active. Expected lifetime: >10 years.WL-SMCW SMT Mono-color Chip LED Waterclear – – – – 470 Blue 465 – – – – – – – 145 – – – 3.2 – – – InGaN 140 0603 SMT – – – – – – – 0.7 – – – – – – – – – – – – – Tape and Reel
158353040SPEC
6 files

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 Active i| Production is active. Expected lifetime: >10 years.WL-SWTC SMT White Top view Ceramic LED – – – – – Moonlight – – – – – – – 121 – – – – 3.2 – – – InGaN 120 3535 SMT – – – – – – – 0.71 – – – – – – – – – – – – – Tape and Reel
694106301002SPEC
–6 files

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 Active i| Production is active. Expected lifetime: >10 years.WR-DC DC Power Jack Right Angled Ø 6.4 – – – – – – – – – – – – – – – – – – – – – – – – – THT 5 30 – – – – – – – – – – – – – 5 – Right Angled – – – Bag
434153017835SPEC
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 Active i| Production is active. Expected lifetime: >10 years.WS-TASV J-Bend SMT Tact Switch 3.5x2.9 mm – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – 1.7 350 200000 Blue not specified – – – 0.05 – – – – – Tape and Reel
61300211121SPEC
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 Active i| Production is active. Expected lifetime: >10 years.WR-PHD 2.54 mm THT Pin Header – – – – – – – – – – – – – – – – – – – – – – – – – THT – 250 – – – – – – – – – – – – – 3 – Straight 2 Single Pin Header Bag
61300311121SPEC
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 Active i| Production is active. Expected lifetime: >10 years.WR-PHD 2.54 mm THT Pin Header – – – – – – – – – – – – – – – – – – – – – – – – – THT – 250 – – – – – – – – – – – – – 3 – Straight 3 Single Pin Header Bag
61300411121SPEC
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 Active i| Production is active. Expected lifetime: >10 years.WR-PHD 2.54 mm THT Pin Header – – – – – – – – – – – – – – – – – – – – – – – – – THT – 250 – – – – – – – – – – – – – 3 – Straight 4 Single Pin Header Bag
150352M173300SPEC
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 Active i| Production is active. Expected lifetime: >10 years.WL-SFTW SMT Full-color TOP LED Waterclear – – – – – Red & Green & Blue – 465 515 635 470 520 625 – – 400 1700 750 – 3.2 3.2 2 AlInGaP + InGaN 120 3528 SMT – – – – – – – – – – – – – – – – – – – – – Tape and Reel
Order Code Data­sheet Simu­lation
65100516121SPEC
–
691102710002SPEC
–
74279220321SPEC
74404024220SPEC
74404052047SPEC
74404052220SPEC
150060RS75000SPEC
150060YS75000SPEC
150060GS75000SPEC
150060BS75000SPEC
158353040SPEC
694106301002SPEC
–
434153017835SPEC
–
61300211121SPEC
–
61300311121SPEC
–
61300411121SPEC
–
150352M173300SPEC
–
Samples
Order Code Data­sheet Simu­lation Downloads Status Product seriesApplicationPCB/Cable/PanelModularityWire SectionλDom typ.
(nm)		Emitting ColorλPeak typ.
(nm)		λPeak B typ.
(nm)		λPeak G typ.
(nm)		λPeak R typ.
(nm)		λDom B typ.
(nm)		λDom G typ.
(nm)		λDom R typ.
(nm)		ΦV typ.
(lm)		IV typ.
(mcd)		IV B typ.
(mcd)		IV G typ.
(mcd)		IV R typ.
(mcd)		VF typ.
(V)		VF B typ.
(V)		VF G typ.
(V)		VF R typ.
(V)		Chip Technology2θ50% typ.
(°)		SizeMountIR
(A)		Working Voltage
(V (AC))		L
(µH)		ISAT
(A)		RDC
(mΩ)		fres
(MHz)		Interface TypeH
(mm)		Operation Force (Value)
(g)		Electrical Life
(Cycles)		Actuator ColorVaporphase processZ @ 100 MHz
(Ω)		Zmax
(Ω)		Test Condition ZmaxIR
(A)		Z @ 1 GHz
(Ω)		TypePins (Value)
(pcs)		RowsGenderPackaging Samples