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Overview
| Topology | Buck Converter |
| Input voltage | 4.5-36 V |
| Switching frequency | 1800-2200 kHz |
| Output 1 | 3.5 V / 2 A |
| IC revision | 1 |
Description
The NCV890200 is a fixed−frequency, monolithic, Buck switching regulator intended for Automotive, battery−connected applications that must operate with up to a 36 V input supply. The regulator is suitable for systems with low noise and small form factor requirements often encountered in automotive driver information systems. The NCV890200 is capable of converting the typical 4.5 V to 18 V automotive input voltage range to outputs as low as 3.3 V at a constant switching frequency above the sensitive AM band, eliminating the need for costly filters and EMI countermeasures. The NCV890200 also provides several protection features expected in Automotive power supply systems such as current limit, short circuit protection, and thermal shutdown. In addition, the high switching frequency produces low output voltage ripple even when using small inductor values and an all−ceramic output filter capacitor − forming a space−efficient switching regulator solution.
Features
- 2 MHz Free-running Switching Frequency
- Internal N-Channel Power Switch
- Low VIN Operation Down to 4.5 V
- High VIN Operation to 36 V
- Withstands Load Dump to 40 V
- Logic level Enable Input Can be Directly Tied to Battery
- 2.2 A (min) Cycle-by-Cycle Peak Current Limit
- Short Circuit Protection enhanced by Frequency Foldback
- ±1.75% Output Voltage Tolerance
- Output Voltage Adjustable Down to 0.8 V
- 1.4 Millisecond Internal Soft-Start
- Thermal Shutdown (TSD)
- Low Shutdown Current
- NCV Prefix for Automotive and Other Applications Requiring Site and Change Controls
- This is a Pb-Free Device
Typical applications
- Audio
- Instrumentation
- Infotainment
- Safety - Vision Systems
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | λDom typ.(nm) | Emitting Color | λPeak 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) | 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 Technology | 2θ50% typ.(°) | L(µH) | IRP,40K(A) | ISAT,30%(A) | RDC typ.(mΩ) | fres(MHz) | VOP(V) | Mount | SW(mm) | L(mm) | Ti | To | Interface Type | Type | Variant | Gender | Pins | PCB Thickness(mm) | IR(A) | Working Voltage(V (AC)) | Packaging | H(mm) | G(mm) | Operating Temperature | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WL-SMSW SMT Mono-color Side View Waterclear, 470 nm, Blue | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMSW SMT Mono-color Side View Waterclear | Dominant Wavelength [typ.]470 nm | Emitting ColorBlue | Peak Wavelength [typ.]468 nm | – | – | – | – | – | – | Luminous Intensity [typ.]150 mcd | – | – | – | Forward Voltage [typ.]3.4 V | – | – | – | Chip TechnologyInGaN | Viewing Angle Phi 0° [typ.]120 ° | – | – | – | – | – | – | MountSMT | – | Length3.2 mm | – | – | – | – | – | – | – | – | – | – | PackagingTape and Reel | Height1 mm | – | Operating Temperature -40 °C up to +85 °C | ||||
| WL-SMSW SMT Mono-color Side View Waterclear, 525 nm, Green | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMSW SMT Mono-color Side View Waterclear | Dominant Wavelength [typ.]525 nm | Emitting ColorGreen | Peak Wavelength [typ.]520 nm | – | – | – | – | – | – | Luminous Intensity [typ.]600 mcd | – | – | – | Forward Voltage [typ.]3.3 V | – | – | – | Chip TechnologyInGaN | Viewing Angle Phi 0° [typ.]120 ° | – | – | – | – | – | – | MountSMT | – | Length3.2 mm | – | – | – | – | – | – | – | – | – | – | PackagingTape and Reel | Height1 mm | – | Operating Temperature -40 °C up to +85 °C | ||||
| WL-SMSW SMT Mono-color Side View Waterclear, 589 nm, Yellow | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMSW SMT Mono-color Side View Waterclear | Dominant Wavelength [typ.]589 nm | Emitting ColorYellow | Peak Wavelength [typ.]592 nm | – | – | – | – | – | – | Luminous Intensity [typ.]130 mcd | – | – | – | Forward Voltage [typ.]2 V | – | – | – | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]120 ° | – | – | – | – | – | – | MountSMT | – | Length3.2 mm | – | – | – | – | – | – | – | – | – | – | PackagingTape and Reel | Height1 mm | – | Operating Temperature -40 °C up to +85 °C | ||||
 | WR-PHD Pin Header - Dual, –, – | Simulation– | Downloads7 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Dual | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | MountTHT | – | Length20.32 mm | – | – | – | TypeAngled | – | GenderPin Header | Pins16 | – | Rated Current3 A | Working Voltage250 V (AC) | PackagingBag | – | – | Operating Temperature -40 °C up to +105 °C | ||
 | WA-SPAIE Plastic Spacer Stud, metric, internal/ external, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWA-SPAIE Plastic Spacer Stud, metric, internal/ external | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | SW6 mm | Length10 mm | Inner ThreadM3 | Outer ThreadM3 | – | – | – | – | – | – | – | – | PackagingBag | – | – | Operating Temperature -30 °C up to +110 °C | |||
 | WR-USB Standard Connectors, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-USB Standard Connectors | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | MountTHR | – | – | – | – | Interface TypeType A | TypeHorizontal | – | GenderReceptacle | Pins9 | – | Rated Current5 A | Working Voltage20 V (AC) | PackagingTray | – | – | Operating Temperature -20 °C up to +85 °C | |||
 | WR-USB Type C Connectors, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-USB Type C Connectors | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | MountTHR | – | – | – | – | Interface TypeType C | TypeHorizontal | – | GenderReceptacle | Pins24 | PCB Thickness1.6 mm | Rated Current5 A | Working Voltage48 V (AC) | PackagingTape and Reel | – | Pin length1.9 mm | Operating Temperature -40 °C up to +105 °C | |||
 | WR-PHD Pin Header - Single, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | MountTHT | – | Length5.08 mm | – | – | – | TypeStraight | – | GenderPin Header | Pins2 | – | Rated Current3 A | Working Voltage250 V (AC) | PackagingBag | – | – | Operating Temperature -40 °C up to +105 °C | |||
 | WR-PHD Pin Header - Single, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | MountTHT | – | Length7.62 mm | – | – | – | TypeStraight | – | GenderPin Header | Pins3 | – | Rated Current3 A | Working Voltage250 V (AC) | PackagingBag | – | – | Operating Temperature -40 °C up to +105 °C | |||
 | WR-USB Mini/Micro Connectors, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-USB Mini/Micro Connectors | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | MountSMT | – | – | – | – | Interface TypeType B | TypeHorizontal | Variantwith Pads & Pegs | GenderReceptacle | Pins5 | – | Rated Current1 A | Working Voltage30 V (AC) | PackagingTape and Reel & Mylar | – | – | Operating Temperature -40 °C up to +105 °C | |||
 | WE-MAPI SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MAPI SMT Power Inductor | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Inductance4.7 µH | Performance Rated Current5.1 A | Saturation Current @ 30%8.2 A | DC Resistance39.9 mΩ | Self Resonant Frequency24 MHz | Operating Voltage80 V | MountSMT | – | Length4.3 mm | – | – | – | – | – | – | Pins2 | – | Rated Current3.9 A | – | – | Height3.1 mm | – | Operating Temperature -40 °C up to +125 °C | ||||
 | WL-SFSW SMT Full-color Side View Waterclear, –, Red & Green & Blue | Simulation– | Downloads30 files RAY files
| Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SFSW SMT Full-color Side View Waterclear | – | Emitting ColorRed & Green & Blue | – | Peak Wavelength (Blue) [typ.]460 nm | Peak Wavelength (Green) [typ.]515 nm | Peak Wavelength (Red) [typ.]632 nm | Dominant Wavelength (Blue) [typ.]465 nm | Dominant Wavelength (Green) [typ.]523 nm | Dominant Wavelength (Red) [typ.]622 nm | – | Luminous Intensity (Blue) [typ.]140 mcd | Luminous Intensity (Green) [typ.]850 mcd | Luminous Intensity (Red) [typ.]450 mcd | – | Forward Voltage (Blue) [typ.]3 V | Forward Voltage (Green) [typ.]2.8 V | Forward Voltage (Red) [typ.]2 V | Chip TechnologyAlInGaP + InGaN | Viewing Angle Phi 0° [typ.]120 ° | – | – | – | – | – | – | MountSMT | – | Length3.2 mm | – | – | – | – | – | – | – | – | – | – | PackagingTape and Reel | Height1 mm | – | Operating Temperature -40 °C up to +85 °C | ||
 | WR-PHD Socket Header - Dual, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Socket Header - Dual | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | MountTHT | – | Length25.9 mm | – | – | – | TypeAngled | – | GenderSocket Header | Pins20 | – | Rated Current3 A | Working Voltage250 V (AC) | PackagingTray | – | – | Operating Temperature -40 °C up to +105 °C |