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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 G 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 | Application | Interface Type | PCB Thickness (mm) | IR (A) | Working Voltage (V (AC)) | Pins (Value) (pcs) | Rows | H (mm) | G (mm) | Gender | Type | IR (A) | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 155124BS73200 | SPEC | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WL-SMSW SMT Mono-color Side View Waterclear | 470 | Blue | 468 | – | – | – | – | 150 | – | – | – | 3.4 | – | – | – | InGaN | 120 | – | – | – | – | – | – | SMT | – | 3.2 | – | – | – | – | – | – | – | – | – | 1 | – | – | – | – | Tape and Reel | ||
| 155124GS73200 | SPEC | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WL-SMSW SMT Mono-color Side View Waterclear | 525 | Green | 520 | – | – | – | – | 600 | – | – | – | 3.3 | – | – | – | InGaN | 120 | – | – | – | – | – | – | SMT | – | 3.2 | – | – | – | – | – | – | – | – | – | 1 | – | – | – | – | Tape and Reel | ||
| 155124YS73200 | SPEC | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WL-SMSW SMT Mono-color Side View Waterclear | 589 | Yellow | 592 | – | – | – | – | 130 | – | – | – | 2 | – | – | – | AlInGaP | 120 | – | – | – | – | – | – | SMT | – | 3.2 | – | – | – | – | – | – | – | – | – | 1 | – | – | – | – | Tape and Reel | ||
 | 61301621021 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.54 mm THT Angled Dual Pin Header | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | THT | – | 20.32 | – | – | – | – | – | – | 250 | 16 | Dual | – | – | Pin Header | Angled | 3 | Bag | |
 | 971100365 | SPEC | – | 3 files | Active i| Production is active. Expected lifetime: >10 years. | WA-SPAIE Plastic Spacer Stud, metric, internal/ external | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 6 | 10 | M3 | M3 | – | – | – | – | – | – | – | – | – | – | – | – | Bag | |
 | 632121300001 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-COM USB 3.1 Type A Receptacle Horizontal THT Power Delivery | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | THR | – | – | – | – | USB 3.1 | Type A | – | 5 | 20 | 9 | – | – | – | Receptacle | Horizontal | 5 | Tray | |
 | 632723300011 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-COM USB 3.1 Type C Receptacle Horizontal THR / SMT | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | THR | – | – | – | – | USB 3.1 | Type C | 1.6 | – | 20 | 24 | – | – | 1.9 | Receptacle | Horizontal | 5 | Tape and Reel | |
 | 61300211121 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.54 mm THT Pin Header | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | THT | – | 5.08 | – | – | – | – | – | – | 250 | 2 | Single | – | – | Pin Header | Straight | 3 | Bag | |
 | 61300311121 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.54 mm THT Pin Header | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | THT | – | 7.62 | – | – | – | – | – | – | 250 | 3 | Single | – | – | Pin Header | Straight | 3 | Bag | |
 | 65100516121 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-COM Mini USB 2.0 Type B SMT Horizontal 5 Contacts | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | SMT | – | – | – | – | Mini USB | Type B | – | – | 30 | 5 | – | – | – | Receptacle | Horizontal | 1 | Tape and Reel & Mylar | |
 | 74438357047 | SPEC | 10 files | Active i| Production is active. Expected lifetime: >10 years. | WE-MAPI SMT Power Inductor | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 4.7 | 5.1 | 8.2 | 39.9 | 24 | 80 | SMT | – | 4.3 | – | – | – | – | – | – | – | 2 | – | 3.1 | – | – | – | 3.9 | – | ||
 | 155124M173200 | SPEC | – | 29 files RAY files
| Active i| Production is active. Expected lifetime: >10 years. | WL-SFSW SMT Full-color Side View Waterclear | – | Red & Green & Blue | – | 515 | 465 | 523 | 622 | – | 140 | 850 | 450 | – | 3 | 2.8 | 2 | AlInGaP + InGaN | 120 | – | – | – | – | – | – | SMT | – | 3.2 | – | – | – | – | – | – | – | – | – | 1 | – | – | – | – | Tape and Reel | |
 | 613020243121 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.54 mm Angled Dual Socket Header | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | THT | – | 25.9 | – | – | – | – | – | – | 250 | 20 | Dual | – | – | Socket Header | Angled | 3 | Tray |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | λDom typ. (nm) | Emitting Color | λPeak typ. (nm) | λPeak G 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 | Application | Interface Type | PCB Thickness (mm) | IR (A) | Working Voltage (V (AC)) | Pins (Value) (pcs) | Rows | H (mm) | G (mm) | Gender | Type | IR (A) | Packaging | Samples |
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