Offline Controllers | NCP1216

PWM 控制器，固定频率，电流模式

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概览

NCP1216 采用 SOIC-8 或 DIP-7 封装，是基于 NCP1200 的控制器的增强版本。由于其高驱动能力，NCP1216 用于驱动大门极负荷 MOSFET，结合内部斜坡补偿和内置的频率抖动，可简化现代 AC/DC 适配器的设计。通过以不同固定频率运行的内部结构，该控制器从高电压轨进行自供电，因此无需辅助绕组。此功能很自然也简化了设计人员在吗有些特定应用中的任务，如电池充电器或电视机。电流模式控制还提供绝佳的输入音频灵敏度和内部脉冲控制。内部斜坡补偿轻松防止了在连续导通模式设计中发生准谐波振荡。例如，在输出功率需求消失，电流设定点降至某个特定值以下时，该集成电路将进入所谓的跳过周期模式，在轻负载下提供卓越能效。因为这发生在用户可调节的低峰值电流下，所以不会发出噪音。NCP1216 具有有效的保护电路，在过电流条件下会禁用输出脉冲，同时器件进入安全突发模式，尝试重启。一旦故障清除，器件自动恢复。

  • High power AC/DC converters for TVs, set-top boxes etc.
  • Offline adapters for notebooks
  • Telecom DC-DC converters
  • All power supplies
  • No auxiliary winding operation
  • Current-mode control with adjustable skip-cycle capability
  • Internal ramp compensation
  • Built-in frequency jittering for better EMI signature
  • Auto-recovery internal output short circuit protection
  • Extremely low no-load standby power
  • 500mA peak current capability
  • Fixed frequency versions at 65 kHz, 100 kHz, 133 kHz
  • Internal temperature shutdown
  • Direct optocoupler connection
  • SPICE models available for TRANsient and AC analysis
  • Pin-to-pin compatible with NCP1200 series
  • Internal 1ms Soft Start (A version Only)
  • Limited Duty Cycle to 50% (A Version Only)
  • 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

NCP1216D100R2G

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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

No

Yes

No

No

16

500

Price N/A

More Details

NCP1216D133R2G

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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

No

Yes

No

No

16

500

Price N/A

More Details

NCP1216D65R2G

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Lifetime

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

REEL

2500

N

Flyback

Current Mode

65

Yes

No

Yes

No

No

16

500

Price N/A

More Details

NCP1216P100G

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Obsolete

CAD Model

Pb

A

H

P

PDIP-8

626B

NA

0

TUBE

50

N

Flyback

Current Mode

100

Yes

No

Yes

No

No

16

500

Price N/A

More Details

NCP1216P133G

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Obsolete

CAD Model

Pb

A

H

P

PDIP-8

626B

NA

0

TUBE

50

N

Flyback

Current Mode

133

Yes

No

Yes

No

No

16

500

Price N/A

More Details

NCP1216P65G

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Obsolete

CAD Model

Pb

A

H

P

PDIP-8

626B

NA

0

TUBE

50

N

Flyback

Current Mode

65

Yes

No

Yes

No

No

16

500

Price N/A

More Details

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