Voltage Supervisors | NCP345

过电压保护电路（6.85 V 阈值）

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CAD Model

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概览

NCP345 过电压保护电路 (OVP) 结合外部 P 沟道 FET 使用时会保护传感电路不会发生瞬变过电压和电源故障。该器件用于感应过电压情况，会在发生任何损坏之前快速断开负载的输入电压供应。OVP 由精确电压参考、带磁滞的比较器、控制逻辑和 MOSFET 门极驱动器组成。OVP 基于耐用的 BiCMOS 工艺而设计，旨在抵御高达 30 V 的瞬变电压。该器件针对具有外部 AC/DC 适配器或汽车配件充电器进行产品供电和/或内部电池充电的应用而优化。标称过电压阈值为 6.85 V，因此适用于单个锂离子电池应用以及 3/4 个镍铬/镍氢电池应用。

  • Cellular Phones
  • Digital Cameras
  • Portable Computers and PDAs
  • Portable CD and other Consumer Electronics
  • Over-Voltage Turn-Off Time of less than 1 msec
  • Accurate Voltage Threshold of 6.85 V (nominal)
  • Under-Voltage Lockout Protection
  • CNTRL Input Compatible with 1.8 V Logic Levels
  • Pb-Free Package is Available

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状态

CAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Voltages Monitored

VCC Max (V)

V(TO) Typ (V)

IQ Typ (µA)

Reset Active State

Reset Timer

Manual Reset

Watchdog Timer

Reference Price

NCP345SNT1

Contact Sales

Obsolete

CAD Model

Pb

A

H

P

TSOP-5 / SOT-23-5

483

1

235

REEL

3000

N

-

30

6.85

750

-

-

-

-

Price N/A

More Details

NCP345SNT1G

Contact Sales

Obsolete

CAD Model

Pb

A

H

P

TSOP-5 / SOT-23-5

483

1

260

REEL

3000

N

-

30

6.85

750

-

-

-

-

Price N/A

More Details

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