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Overview
| Topology | Buck Converter |
| Input voltage | 4.5-36 V |
| Output 1 | 36 V / 2.2 A |
| IC revision | 1.0 |
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 issuitable 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. TheNCV890200 also provides several protection features expected in Automotive power supply systems such as current limit, short circuitprotection, 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 aspace−efficient switching regulator solution.
Features
- 2 MHz Free-running Switching Frequency
- Enable using small size, low cost inductors and EMI filters
- 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/ Infotainment
- Instrumentation
- 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.(°) | C | Safety Class | dV/dt(V/µs) | DF @ 1 kHz(%) | RISO | Pitch(mm) | Packaging | ISAT,10%(A) | fres(MHz) | Version | Endurance(h) | IRIPPLE(mA) | ILeak(µA) | DF(%) | Ø D(mm) | Interface Type | Type | Gender | Pins | PCB Thickness(mm) | Working Voltage(V (DC)) | G(mm) | Operating Temperature | IR(A) | L(mH) | RDC max.(mΩ) | VR(V (AC)) | VT(V (AC)) | Material | L(mm) | W(mm) | H(mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | WL-SFTW SMT Full-color TOP LED Waterclear, –, Red & Green & Blue | Simulation– | Downloads26 files RAY files
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| WCAP-AT1H Aluminum Electrolytic Capacitors, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-AT1H Aluminum Electrolytic Capacitors | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Capacitance47 µF | – | – | – | – | Pitch3.5 mm | PackagingAmmopack | – | – | – | Endurance 8000 | Ripple Current240 mA | Leakage Current16.45 µA | Dissipation Factor12 % | Diameter8 mm | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage35 V (AC) | – | – | Length11.5 mm | – | – | – | ||||
| WCAP-AT1H Aluminum Electrolytic Capacitors, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-AT1H Aluminum Electrolytic Capacitors | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Capacitance220 µF | – | – | – | – | Pitch5 mm | PackagingAmmopack | – | – | – | Endurance 10000 | Ripple Current580 mA | Leakage Current55 µA | Dissipation Factor14 % | Diameter10 mm | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage25 V (AC) | – | – | Length16 mm | – | – | – | ||||
 | WCAP-ATLI Aluminum Electrolytic Capacitors, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ATLI Aluminum Electrolytic Capacitors | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Capacitance680 µF | – | – | – | – | Pitch5 mm | PackagingAmmopack | – | – | – | Endurance 5000 | Ripple Current2260 mA | Leakage Current238 µA | Dissipation Factor9 % | Diameter13 mm | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage35 V (AC) | – | – | Length20 mm | – | – | – | ||||
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 | WR-USB Type C Connectors, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-USB Type C Connectors | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Insulation Resistance1000 MΩ | – | PackagingTape and Reel | – | – | – | – | – | – | – | – | Interface TypeType C | TypeHorizontal | GenderReceptacle | Pins24 | PCB Thickness1.6 mm | Working Voltage48 V (DC) | Pin length1.9 mm | Operating Temperature -40 °C up to +105 °C | Rated Current5 A | – | – | – | – | – | – | – | – | MountTHR | |||
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 | WR-PHD Pin Header - Single, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Insulation Resistance1000 MΩ | Pitch2.54 mm | PackagingBag | – | – | – | – | – | – | – | – | – | TypeStraight | GenderPin Header | Pins4 | – | Working Voltage250 V (DC) | – | Operating Temperature -40 °C up to +105 °C | Rated Current3 A | – | – | – | – | – | Length10.16 mm | – | – | MountTHT | |||
750317576 | Inductor, –, – | Simulation– | Downloads– | Status Activei| Production is active. Expected lifetime: >10 years. | Product series Inductor | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |