Converters | NCV890130
概览
NCV890130 是一款固定频率、单片降压开关稳压器，适合必须由高达 32 V 输入电源供电的汽车、与电池连接的应用。该稳压器适用于具有低噪声和小外形要求的系统，通常汽车驾驶员信息系统有此要求。NCV890130 能够将典型的 4.5 V 到 18 V 汽车输入电压以高于敏感的 AM 频带的恒定开关频率转换为低至 3.3 V，无需成本高昂的滤波器和 EMI 应对措施。NCV890130 还提供汽车电源系统中应具有的若干保护功能，如电流限值、短路保护和高温关断。此外，即使使用较小的电感器值和全陶瓷输出滤波电容器，高开关频率也会产生较低的输出电压纹波，从而成为节省空间的开关稳压器方案。
- Audio
- Infotainment
- Safety - Vision Systems
- Instrumentation
- Automotive
- 2 MHz Free-running Switching Frequency
- Internal N-Channel Power Switch
- Low VIN Operation Down to 4.5 V
- High VIN Operation to 32 V
- Withstands Load Dump to 45 V
- 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)
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260
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H
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SOIC-8 EP
2
260
REEL
2500
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4.5
45
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2200
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