Controllers | NCP12700

超宽输入电流模式PWM控制器

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概览

NCP12700 是一款固定频率、峰值电流模式PWM控制器，具有实施单端功率转换器拓扑结构所需的必要性能。这款器件支持高压启动，能够在宽输入范围内运行（9 – 120/200V MSOP10/WQFN10）并提供至少20mA电源，在系统启动期间为VCC提供临时偏置。这款控制器提供可调节软启动、输入电压支持欠压锁定（UVLO）保护以及可调节的过功率保护电路，会在输入电压提高时限制电路的总功率，简化系统散热设计。UVLO引脚还被配有一个关断比较器，允许通过外部信号禁用开关，将控制器切换至低静态电流模式。

  • 中低电压隔离式DC-DC
  • CCM和DCM反激式转换器
  • 正向转换器
  • 电信DC-DC模块
  • 工业功率转换器
  • 轨道DC-DC模块
  • 宽输入范围（9 – 120/200 V；MSOP10/WQFN10）
  • 集成斜坡补偿功能的电流模式控制
  • 单电阻可编程振荡器
  • 1A/2.8A拉电流/灌电流栅极驱动器
  • 带迟滞的输入电压UVLO
  • 多重故障保护：
    - 用户可调过功率保护
    - 过载保护，带30ms过载计时器
    - 兼容NTC的故障接口用于热保护
    - 输出过压保护（OVP）故障接口
    - 故障自动恢复模式，1s自动恢复期

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Reference Price

NCP12700ADNR2G

Loading...

Active

CAD Model

Pb

A

H

P

MSOP-10

846AE

1

260

REEL

4000

Y

Forward

1

Current Mode

6.5

120

-

$0.6291

More Details

NCP12700BDNR2G

Loading...

Active

CAD Model

Pb

A

H

P

MSOP-10

846AE

1

260

REEL

4000

Y

Forward

1

Current Mode

6.5

120

-

$0.6291

More Details

NCP12700BMTTXG

Loading...

Active

CAD Model

Pb

A

H

P

WQFN-10

511DV

1

260

REEL

3000

Y

Forward

1

Current Mode

6.5

200

-

$0.6785

More Details

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