用于离线 SMPS 的高电压开关稳压器

Last Shipments

概览

NCP1126 产品集成了具有低导通电阻高压 650 V MOSFET 的固定频率峰值电流模式控制器。NCP1126 采用 PDIP-7 封装,可提供高度集成,包括软启动、频率抖动、短路保护、高温关断保护、频率折回模式和跳过周期(以降低轻型负载条件下的功耗)、峰值电流模式控制(具有可调的内部斜坡补偿和可调的峰值电流设定点)。 在正常负载运行期间,该部件在一个可用频率下(65 或 100 kHz)开关。当输出功率需求消失时,该集成电路将自动进入频率折回模式,在轻负载下提供出色能效。当功率需求进一步降低时,它进入跳过模式,将待机功耗降低到无负载条件。 保护特性包括:具有自动恢复或锁存保护以及内置 VCC 过电压保护功能的定时器,用于检测过载或短路事件。该开关还提供抖动的 65 kHz 或 100 kHz 开关频率,以改善 EMI。

  • Power Supply

  • Power supply for DVD, STB, CD-Player
  • Aux supply for TV, USB, Appliance

  • 650 V Avalanche Rated MOSFET
  • FixedFrequency 65 or 100 kHz CurrentMode Control Operation
  • Frequency Foldback Down to 26 kHz and SkipCycle in Light Load Conditions
  • Adjustable Current Limit with External Resistor
  • 50 ms Timer-Based Auto-Recovery Short-Circuit Protection
  • Frequency Jittering in Normal and Frequency Foldback Modes
  • Option for Auto-Recovery or Latched Short-Circuit Protection
  • Less than 100 mW Standby Power at High Line

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产品

状态

CAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Control Mode

fsw Typ (kHz)

fJitter Typ (%)

Stand-by Mode

RDS(ON) Typ (Ω)

V(BR)DSS Max (V)

IPeak (mA)

HV Start-up Min (V)

DSS (mA)

UVLO

Short Circuit Protection

Over Power Compensation

Brown-out

Latch

Reference Price

NCP1126AP100G

Obsolete

CAD Model

Pb

A

H

P

PDIP-8

NA

0

TUBE

50

N

Current Mode

100

+/-5% of FSW

Yes

6

650

0

Yes

0

8.8

Yes

No

No

Yes

Price N/A

More Details

NCP1126AP65G

Obsolete

CAD Model

Pb

A

H

P

PDIP-8

NA

0

TUBE

50

N

Current Mode

65

+/-5% of FSW

Yes

6

650

0

Yes

0

8.8

Yes

No

No

Yes

Price N/A

More Details

NCP1126BP100G

Obsolete

CAD Model

Pb

A

H

P

PDIP-8

NA

0

TUBE

50

N

Current Mode

100

+/-5% of FSW

Yes

6

650

0

Yes

0

8.8

Yes

No

No

No

Price N/A

More Details

NCP1126BP65G

Last Shipments

CAD Model

Pb

A

H

P

PDIP-8

NA

0

TUBE

50

N

Current Mode

65

+/-5% of FSW

Yes

6

650

0

Yes

0

8.8

Yes

No

No

No

Price N/A

More Details

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