250 mA LDO 线性稳压器,带监控、唤醒、重置、延迟和启用

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概览

NCV8518A 器件是一款精密微功率稳压器。它具有 5.0 V 固定输出电压,调节范围在 ±2% 之内。微处理器控制逻辑包括有效重置(带延迟)、唤醒、监督和启用。NCV8518A 唤醒功能会将微处理器带出睡眠模式。微处理器又通过发出监督信号将其唤醒状态信号发回 NCV8518A。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,或稳压器在唤醒期间内未收到监督信号,则激活重置功能。监督逻辑功能监督微处理器中的输入信号 (WDI)。该器件对监督信号的下降边做出响应,每个唤醒期间应该至少一次。 启用是标准 TTL 和 CMOS 逻辑兼容输入,可用于开关稳压器。在禁用/关断状态下,通路晶体管关断,总静态电流小于 1 µA。此器件中还包括了高温关断和短路保护等安全特性,这是汽车环境中的一个重要考虑因素。NCV8518A 与 NCV8518 可实现引脚对引脚兼容,可以在任何新设计中替代此器件。

  • Body and Chassis
  • Instrument and Clusters
  • Engine Control Unit
  • Safety
  • Tyre Pressure Monitor

  • Automotive

  • 5.0 V 2% Output Voltage / 250 mA Output Current
  • Low Quiescent Current (100 µA typ) at full load
  • Micropower compatible control functions: Enable, Watchdog, Reset, Adjustable Reset Delay, Wake Up
  • Protection Features:
    45 V operation
    Thermal shutdown
    Short ciruit
  • Enable
  • AEC Q100 Qualified
  • Pin for pin compatible with NCV8518

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状态

CAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Output

Polarity

VO (V)

IO Typ (A)

VI Min (V)

VI Max (V)

VDO Typ (V)

Iq Typ (mA)

PSRR (dB)

Noise (µVrms)

Enable

PowerGood

Application

Reference Price

NCV8518APDG

Consult Sales Office

CAD Model

Pb

A

H

P

SOIC-8 EP

2

260

TUBE

98

N

Single

Positive

5

0.25

-

45

0.425

0.1

70

-

Yes

Yes

Automotive

Price N/A

More Details

NCV8518APDR2G

Consult Sales Office

CAD Model

Pb

A

H

P

SOIC-8 EP

2

260

REEL

2500

N

Single

Positive

5

0.25

-

45

0.425

0.1

70

-

Yes

Yes

Automotive

Price N/A

More Details

NCV8518APWG

Consult Sales Office

CAD Model

Pb

A

H

P

SOIC-16 WB EP

1

260

TUBE

47

N

Single

Positive

5

0.25

-

45

0.425

0.1

70

-

Yes

Yes

Automotive

Price N/A

More Details

NCV8518APWR2G

Consult Sales Office

CAD Model

Pb

A

H

P

SOIC-16 WB EP

1

260

REEL

1000

N

Single

Positive

5

0.25

-

45

0.425

0.1

70

-

Yes

Yes

Automotive

Price N/A

More Details

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