150 mA LDO 线性稳压器,带重置、延迟、可调重置以及提前警告

Obsolete

概览

NCV4279 是一款 5.0V 精确微功耗稳压器,输出电流为 150mA。 输出电压准确度范围为 ±2.0%,100mA 下的最大漏电压为 0.5V。微处理器控制逻辑包括一个带延迟的有效重置输出 RO 及一个 SI/SO 监控器,该监控器可用于向微处理器提供潜在的即将出现的重置信号的预警信号。由于采用了 SI/SO 监控器,在重置关闭微处理器之前,微处理器就可完成任何信号处理。有效重置电路可在低至 1.0 V 的输出电压下正常运行。在电源启动过程中或在正常运行期间,如输出压降超出规定限值,则激活重置功能。可将外部电阻分压器联接至 RADJ 引线,从而降低重置阈值电压。稳压器可防止电池逆向、短路和热过载的情况发生。此器件可承受负载转储瞬变,适用于汽车环境。

  • Body and Chassis
  • Powertrain
  • Infotainment

  • Automotive

  • 5.0 V +/- 2.0% Output with 150 mA output current capability
  • Active Reset Output Low Down to VQ=1.0V; Adjustable Reset Threshold
  • Fault Protection:
    -42V Reverse Voltage Protection
    Short Circuit Protection
    Thermal overload protection
  • Early Warning through SI/SO Leads, adjustable threshold via external resistor
  • Internally Fused Leads in SO-14 Package
  • Very Low Dropout Voltage
  • AEC Q100 Qualified

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CAD Models

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Package Type

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MSL Type

MSL Temp (°C)

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ON Target

Output

Polarity

VO (V)

IO Typ (A)

VI Min (V)

VI Max (V)

VDO Typ (V)

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PSRR (dB)

Noise (µVrms)

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Reference Price

NCV4279D1R2G

CAD Model

Pb

A

H

P

SOIC-8

1

260

REEL

2500

N

Single

Positive

5

0.15

-

45

0.25

0.19

-

-

-

-

Automotive

Price N/A

More Details

NCV4279D2R2G

CAD Model

Pb

A

H

P

SOIC-14

1

260

REEL

2500

N

Single

Positive

5

0.15

-

45

0.25

0.19

-

-

-

-

Automotive

Price N/A

More Details

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