单片高电压门控振荡器电源开关稳压器

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概览

NCP1050 至 NCP1055 为单片高稳压器,可使最终产品设备符合低待机功耗要求。该器件系列组合了所需的转换器功能,为办公室自动化、消费品和工业产品提供了一个简单经济的电源系统方案。 此类器件适用于直接采用整流交流线路电源运行。在反激转换器应用中,对于固定交流输入 100 V、115 V 或 230 V,它们能够提供 6.0 W 至 40 W 的输出功率,对于 85 V 至 265 V 的可变交流输入,则能提供 3.0 W 至 20 W 的输出功率。 此器件系列具有有源启动稳压器电路,无需在转换器变压器上设置辅助偏置绕组,还具有采用可编程计时器的故障逻辑用于实现过载保护,独特的门控振荡器配置用于带双脉冲抑制的极快环路响应,电源开关电流限制,带磁滞的输入欠压锁定,高温关断和自动重启故障检测。此类器件采用经济型 8 引脚双列直插封装。

  • AC–DC Converters
  • Wall Adapters
  • Portable Electronic Chargers
  • Low Power Standby and Keep–Alive Supplies
  • Startup Circuit Eliminates the Need for Transformer Auxiliary Bias Winding
  • Optional Auxiliary Bias Winding Override for Lowest Standby Power Applications
  • Converter Output Overload and Open Loop Protection
  • Auto Restart Fault Protection
  • IC Thermal Fault Protection
  • Unique, Dual Edge, Gated Oscillator Configuration for Extremely Fast Loop Response
  • Oscillator Frequency Dithering with Controlled Slew Rate Driver for Reduced EMI
  • Low Power Consumption Allowing European Blue Angel Compliance
  • On–Chip 700 V Power Switch Circuit and Active Startup Circuit
  • Rectified AC Line Source Operation from 85 V to 265 V
  • Input Undervoltage Lockout with Hysteresis
  • Oscillator Frequency Options of 44 kHz, 100 kHz, 136 kHz
  • Pb-Free Packages are Available

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Reference Price

NCP1053P100G

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Obsolete

CAD Model

Pb

A

H

P

PDIP-7

NA

0

TUBE

50

N

Current Mode

100

Yes

Yes

15

700

400

Yes

6.3

Yes

Yes

No

No

Yes

Price N/A

More Details

NCP1053P136G

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Obsolete

CAD Model

Pb

A

H

P

PDIP-7

NA

0

TUBE

50

N

Current Mode

136

Yes

Yes

15

700

400

Yes

6.3

Yes

Yes

No

No

Yes

Price N/A

More Details

NCP1053P44G

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Obsolete

CAD Model

Pb

A

H

P

PDIP-7

NA

0

TUBE

50

N

Current Mode

44

Yes

Yes

15

700

400

Yes

6.3

Yes

Yes

No

No

Yes

Price N/A

More Details

NCP1053ST100T3G

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Last Shipments

CAD Model

Pb

A

H

P

SOT-223-4 / TO-261-4D

1

260

REEL

4000

N

Current Mode

100

Yes

Yes

15

700

400

Yes

6.3

Yes

Yes

No

No

Yes

Price N/A

More Details

NCP1053ST136T3G

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Last Shipments

CAD Model

Pb

A

H

P

SOT-223-4 / TO-261-4D

1

260

REEL

4000

N

Current Mode

136

Yes

Yes

15

700

400

Yes

6.3

Yes

Yes

No

No

Yes

Price N/A

More Details

NCP1053ST44T3G

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Last Shipments

CAD Model

Pb

A

H

P

SOT-223-4 / TO-261-4D

1

260

REEL

4000

N

Current Mode

44

Yes

Yes

15

700

400

Yes

6.3

Yes

Yes

No

No

Yes

Price N/A

More Details

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