Gate Drivers | NCP3420

具有双路输出的 MOSFET 驱动器，用于同步降压转换器

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概览

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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CAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Power Switch

Number of Outputs

Topology

Isolation Type

Vin Max (V)

VCC Max (V)

Rise Time (ns)

Fall Time (ns)

Drive Source Current Typ (A)

Drive Sink Current Typ (A)

Turn On Prop. Delay Typ (ns)

Turn Off Prop. Delay Typ (ns)

Delay Matching

Reference Price

NCP3420DR2G

Contact Sales

Active

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

REEL

2500

N

MOSFET

2

High-Low

Junction Isolation

35

15

16

11

-

-

-

-

-

$0.1867

More Details

NCP3420MNR2G

Contact Sales

Obsolete

CAD Model

Pb

A

H

P

DFN-8

506BJ

1

260

REEL

3000

N

MOSFET

2

High-Low

Junction Isolation

35

15

16

11

-

-

-

-

-

Price N/A

More Details

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