具有双路输出的 MOSFET 驱动器,用于同步降压转换器

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NCP3420 是一款经优化的单相 MOSFET 门极驱动器,适用于驱动同步降压转换器中高压侧和低压侧功率 MOSFET 的门极。高压侧和低压侧驱动器能够驱动一个 3000 pF 负载,传播延迟为 30 ns,转换时间为 20 ns。在较宽的运行电压范围内,可以优化高压侧或低压侧 MOSFET 门极驱动电压,以实现最佳能效。内部自适应非重叠电路通过防止两个 MOSFET 同时导通来减少开关损耗。通过对输出禁用引脚施加低逻辑电平,可以将两个门极输出驱动为低电平。欠压锁定功能可确保当电源电压较低时,两个驱动器输出都为低电平,而高温关断功能可为集成电路提供超温保护。

  • MOSFET Driver
  • Desktop, Server
  • Thermal Shutdown Protection
  • Internal pulldown resistors suppress transient turn on of either MOSFET
  • Anti cross-conduction protection circuitry
  • One output signal controls both the upper and lower gate outputs
  • Output disable control turns off both MOSFETs
  • Complies with VRM10.x and VRM11.x specifications
  • Undervoltage lockout
  • Thermally enhanced package available

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NCP3420DR2G

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Active

CAD Model

Pb

A

H

P

SOIC-8

1

260

REEL

2500

N

MOSFET

2

High-Low

Junction Isolation

35

15

16

11

-

-

-

-

-

$0.1867

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NCP3420MNR2G

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Obsolete

CAD Model

Pb

A

H

P

DFN-8

1

260

REEL

3000

N

MOSFET

2

High-Low

Junction Isolation

35

15

16

11

-

-

-

-

-

Price N/A

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