汽车开关稳压器,降压,2 A,2 MHz

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NCV890200 是一款固定频率、单片降压开关稳压器,适合必须由高达 36V 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。NCV890200 能够在高于敏感 AM 波段的恒定开关频率下,将典型的 4.5 V 到 18 V 汽车输入电压范围转换为低至 3.3 V 的输出,无需昂贵的滤波器并应对 EMI 干扰。NCV890200 还具有汽车电源系统需要的多种保护功能,如电流限制、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
  • 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
  • 2 MHz Free-running Switching Frequency
  • 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

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NCV890200PDR2G

Active

Pb

A

H

P

SOIC-8 EP

2

260

REEL

2500

Y

Step-Down

Current Mode

4.5

40

Adjustable

2

-

2000

$1.035

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