Offline Controllers | NCP1230

PWM 控制器，固定频率，电流模式

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概览

NCP1230 代表了中等到高功率开关模式电源（如笔记本电脑适配器、离线电池充电器和消费电子设备）中实现低待机功率方面的一个重大飞跃。NCP1230 采用紧凑型 8 引脚封装（SO-8 或 PDIP-7），包含了构建坚固高效电源所需的所有控制功能。NCP1230 是带有内部斜坡补偿的电流模式控制器。NCP1230 提供的其中一个独特功能为事件管理方案，可以在待机期间禁用前端 PFC 电路，因此降低无负载功耗。 NCP1230 本身会在轻型负载进入周期跳过，同时限制峰值电流（至标称峰值的 25%），从而不会产生噪声。NCP1230 是一款高电压启动电路，不再需要外部组件，降低了功耗。NCP1230 还具有内部锁存功能，可用于 OVP 保护。此锁存通过将 CS 引脚拉至 3.0 V 以上进行触发，只能通过将 VCC 拉至接地进行重置。NCP1230 提供的某些其他功能有真正的过载保护、内部 2.5 ms 软启动、内部前缘间隔、实现低 EMI 的内部频率抖动。

  • High Power AC/DC Adapters for Notebooks, etc.
  • Offline Battery Chargers
  • Flat TVs, DVD RW, Home Theatre, Set Top Boxes
  • Current−Mode Operation with Internal Ramp Compensation
  • Internal High−Voltage Start−Up Current Source for Loss Less Start−Up
  • Extremely Low No−Load Standby Power
  • Skip−Cycle Capability at Low Peak Currents
  • Direct Connection to PFC Controller for Improved No−Load Standby Power
  • Internal 2.5 ms Soft Start
  • Internal Leading Edge Blanking
  • Latched Primary Overcurrent and Overvoltage Protection
  • Short−Circuit Protection Independent of Auxiliary Level
  • Internal Frequency Jittering for Improved EMI Signature
  • +500 mA/−800 mA Peak Current Drive Capability
  • Available in Three Frequency Options: 65 kHz, 100 kHz, and 133 kHz
  • Direct Optocoupler Connection
  • SPICE Models Available for TRANsient and AC Analysis
  • Pb-Free Packages are Available

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CAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Topology

Control Mode

fsw Typ (kHz)

Stand-by Mode

UVLO (V)

Short Circuit Protection

Latch

Soft Start

VCC Max (V)

Drive Cap. (mA)

Reference Price

NCP1230D100R2G

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Last Shipments

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

REEL

2500

N

Flyback

Current Mode

100

Yes

Yes

Yes

Yes

Yes

18

500 / 800

Price N/A

More Details

NCP1230D133R2G

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Obsolete

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

REEL

2500

N

Flyback

Current Mode

133

Yes

Yes

Yes

Yes

Yes

18

500 / 800

Price N/A

More Details

NCP1230D165R2G

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Last Shipments

CAD Model

Pb

A

H

P

SOIC-7

751U

1

260

REEL

2500

N

Flyback

Current Mode

65

Yes

Yes

Yes

Yes

Yes

18

500 / 800

Price N/A

More Details

NCP1230D65R2G

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Last Shipments

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

REEL

2500

N

Flyback

Current Mode

65

Yes

Yes

Yes

Yes

Yes

18

500 / 800

Price N/A

More Details

NCP1230P100G

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Obsolete

CAD Model

Pb

A

H

P

PDIP-8

626B

NA

0

TUBE

50

N

Flyback

Current Mode

100

Yes

Yes

Yes

Yes

Yes

18

500 / 800

Price N/A

More Details

NCP1230P133G

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Last Shipments

CAD Model

Pb

A

H

P

PDIP-8

626B

NA

0

TUBE

50

N

Flyback

Current Mode

133

Yes

Yes

Yes

Yes

Yes

18

500 / 800

Price N/A

More Details

NCP1230P65G

Loading...

Obsolete

CAD Model

Pb

A

H

P

PDIP-8

626B

NA

0

TUBE

50

N

Flyback

Current Mode

65

Yes

Yes

Yes

Yes

Yes

18

500 / 800

Price N/A

More Details

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