Converters | NCV8843

降压转换器，1.5 A，340 kHz，具有同步功能

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概览

NCV8843 是一款 1.5 A 降压稳压器集成电路，以 340 kHz 固定频率运行。该器件使用 V2™ 控制结构提供无与伦比的瞬变响应、绝佳的总体调节和最简单的环路补偿。NCV8842 采用 4.0 V 至 40 V 的输入电压，包含一个同步电路。片上 NPN 晶体管能够提供最小 1.5 A 的输出电流，通过外部“升压”电容器进行偏置，以确保饱和，因此最大程度降低片上功耗。保护电路包括高温关断、逐周期电流限制和频率折回短路保护。

  • Automotive
  • Industrial
  • Dc-dc power supplies
  • V2™ Control Architecture
  • 2.0% Error Amp Reference Voltage Tolerance
  • Cycle-by-Cycle Current Limiting
  • Switch Frequency Decrease of 4:1 in Short Circuit
  • Bootstrapped Operation (BOOST)
  • Synchronization to External Clock (SYNC)
  • 1.0 A Shutdown Quiescent Current
  • Thermal Shutdown
  • Soft-Start
  • Pb-Free Packages are Available

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MSL Temp (°C)

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VCC Max (V)

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Reference Price

NCV8843DG

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Obsolete

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

TUBE

98

N

Step-Down

V2

4

40

-

1.5

-

340

Price N/A

More Details

NCV8843DR2G

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Obsolete

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

REEL

2500

N

Step-Down

V2

4

40

-

1.5

-

340

Price N/A

More Details

NCV8843MNR2G

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Active

CAD Model

Pb

A

H

P

DFN-18

505

1

260

REEL

2500

N

Step-Down

V2

4

40

1.46

1.5

-

340

$2.5241

More Details

NCV8843PWG

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Obsolete

CAD Model

Pb

A

H

P

SOIC-16W

751R-02

1

260

TUBE

47

N

Step-Down

V2

4

40

-

1.5

-

340

Price N/A

More Details

NCV8843PWR2G

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Obsolete

CAD Model

Pb

A

H

P

SOIC-16W

751R-02

1

260

REEL

1000

N

Step-Down

V2

4

40

-

1.5

-

340

Price N/A

More Details

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