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Converters | NCV890100
Automotive Switching Regulator, Buck, 1.2 A, 2 MHz
概览
The NCV890100 is a fixed-frequency, monolithic, Buck switching regulator intended for Automotive, battery-connected applications that must operate with up to a 36V input supply. The regulator is suitable for systems with low noise and small form factor requirements often encountered in automotive driver information systems. The NCV890100 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 NCV890100 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.
应用
- Audio
- Infotainment
- Safety - Vision Systems
- Dashboards
终端产品
- Automotive
特性
- Internal N-Channel Power Switch
- Low VIN Operation Down to 4.5 V
- High VIN Operation Up to 36 V
- Withstands Load Dumps to 40 V
- 2-MHz Free-Running Switching Frequency
- Logic level Enable Input Can be Directly Tied to Battery
- 1.4 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 ms Internal Soft-Start
- Thermal Shutdown (TSD)
- Low Shutdown Current
- NCV Prefix for Automotive and Other Applications Requiring Site and Change Controls
- Wettable Flanks DFN
- This is a Pb-Free Device
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