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Offline Controllers | NCP1216
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。
应用
- High power AC/DC converters for TVs, set-top boxes etc.
- Offline adapters for notebooks
- Telecom DC-DC converters
- All power supplies
特性
- 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
产品列表
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产品:
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可订购器件:
6
产品
NCP1216D100R2G
Obsolete
Pb
A
H
P
SOIC-8
1
260
REEL
2500
N
Flyback
Current Mode
100
Yes
No
Yes
No
No
16
500
Price N/A
More Details
NCP1216D133R2G
Obsolete
Pb
A
H
P
SOIC-8
1
260
REEL
2500
N
Flyback
Current Mode
133
Yes
No
Yes
No
No
16
500
Price N/A
More Details
NCP1216D65R2G
Last Shipments
Pb
A
H
P
SOIC-8
1
260
REEL
2500
N
Flyback
Current Mode
65
Yes
No
Yes
No
No
16
500
Price N/A
More Details
NCP1216P100G
Obsolete
Pb
A
H
P
PDIP-8
NA
0
TUBE
50
N
Flyback
Current Mode
100
Yes
No
Yes
No
No
16
500
Price N/A
More Details
NCP1216P133G
Obsolete
Pb
A
H
P
PDIP-8
NA
0
TUBE
50
N
Flyback
Current Mode
133
Yes
No
Yes
No
No
16
500
Price N/A
More Details
NCP1216P65G
Obsolete
Pb
A
H
P
PDIP-8
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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