Offline Controllers | NCP1236
概览
NCP1236 是一款新型固定频率电流模式控制器，具有动态自供电 (DSS) 功能。此器件与之前的 NCP12xx 系列可实现引脚兼容。DSS 功能可激活内部启动电流源使其在瞬变期间为控制器供电，大大简化了辅助电源和 VCC 电容器的设计。由于频率折回，该控制器在轻型负载条件下具有绝佳的能效，同时还能达到极低的待机功耗。凭借内部频率抖动、斜坡补偿和多功能锁存输入，此控制器非常适合那些将部件成本作为关键限制因素的转换器。另外，该控制器还包括一个新型高电压电路，组合了启动电流源和欠电压检测器，能够感应来自整流交流线路或直流滤波大电压的输入电压。该高电压感应电路还用于过功率保护目的。过功率保护、超载保护和其他保护功能提高了最终应用的安全性和可靠性。
- AC-DC Adapters
- Consumer Electronics Power Supplies
- Auxiliary/Housekeeping power supplies
- Notebooks
- LCD TVs
- Printers
- Frequency Foldback then Skip Mode in light load and standby conditions
- High voltage current source with brown-out detection and dynamic self-supply
- Frequency Jittering
- 4.0 ms Soft-Start
- Adjustable Overpower Compensation
- Latched / Autorecovery Timer-Based Overload Protection
Buy/Parametrics Table
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NCP1236AD100R2G
Active
Pb
A
H
P
SOIC-7
1
260
REEL
2500
Y
Flyback
Current Mode
100
Yes
9.5
Yes
Yes
Yes
28
500 / 500
$0.3895
More Details
NCP1236AD65R2G
Active
Pb
A
H
P
SOIC-7
1
260
REEL
2500
Y
Flyback
Current Mode
65
Yes
9.5
Yes
Yes
Yes
28
500 / 500
$0.3608
More Details
NCP1236BD100R2G
Active
Pb
A
H
P
SOIC-7
1
260
REEL
2500
Y
Flyback
Current Mode
100
Yes
9.5
Yes
Yes
Yes
28
500 / 500
$0.315
More Details
NCP1236BD65R2G
Active
Pb
A
H
P
SOIC-7
1
260
REEL
2500
Y
Flyback
Current Mode
65
Yes
9.5
Yes
Yes
Yes
28
500 / 500
$0.3608
More Details
Last Shipments
Pb
A
H
P
SOIC-7
1
260
REEL
2500
N
Flyback
Current Mode
65
Yes
9.5
Yes
Yes
Yes
28
500 / 500
Price N/A
More Details
Obsolete
Pb
A
H
P
SOIC-7
1
260
REEL
2500
N
Flyback
Current Mode
100
Yes
10.5
Yes
Yes
Yes
28
500 / 500
Price N/A
More Details
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