NCP1236: 控制器，固定频率，电流模式，用于反激转换器
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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。
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评估/开发工具信息
| 产品 | 状况 | Compliance | 简短说明 | 行动 | |
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| NCP1236B65NBGEVB | Active |
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65 W Notebook Adapter Demonstration Evaluation Board |
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Availability & Samples
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Specifications
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外形
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应用框图
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Intaractive Block Diagram
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外形 |
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| NCP1236AD100R2G | Active |
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NCP1236 | SOIC-7 | 751U | 1 | 260 | Tape and Reel | 2500 | $0.3333
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| NCP1236AD65R2G | Active |
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NCP1236 | SOIC-7 | 751U | 1 | 260 | Tape and Reel | 2500 | $0.3333 | ||||||||
| NCP1236BD100R2G | Active |
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NCP1236 | SOIC-7 | 751U | 1 | 260 | Tape and Reel | 2500 | $0.3333
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| NCP1236BD65R2G | Active |
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NCP1236 | SOIC-7 | 751U | 1 | 260 | Tape and Reel | 2500 | $0.3333 | ||||||||
| NCP1236DD65R2G | Active |
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NCP1236 | SOIC-7 | 751U | 1 | 260 | Tape and Reel | 2500 | $0.3333 | ||||||||
| NCP1236ED100R2G | Obsolete |
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NCP1236, Modified Vcc(min), Vcc(on), and reduced fault timer | SOIC-7 | 751U | 1 | 260 | Tape and Reel | 2500 | |||||||||
| 市场订货至交货的时间(周) | : | 17 to 20 |
| 市场订货至交货的时间(周) | : | 4 to 8 |
| PandS (2020-09-14 00:00) | : | >1K |
| 市场订货至交货的时间(周) | : | 13 to 16 |
| 市场订货至交货的时间(周) | : | Contact Factory |
| PandS (2020-09-14 00:00) | : | >1K |
| 市场订货至交货的时间(周) | : | 17 to 20 |
| ON Semiconductor (2020-09-02 00:00) | : | 50,000 |
| 市场订货至交货的时间(周) | : | Contact Factory |
Product
Description
Pricing ($/Unit)
Compliance
Status
Topology
Control Mode
fsw Typ (kHz)
Stand-by Mode
UVLO (V)
Short Circuit Protection
Latch
Soft Start
VCC Max (V)
Drive Cap. (mA)
Package Type
NCP1236AD100R2G
$0.3333
Pb
A
H
P
Active
Flyback
Current Mode
100
Yes
9.5
Yes
Yes
Yes
28
500 / 500
SOIC-7
NCP1236AD65R2G
$0.3333
Pb
A
H
P
Active
Flyback
Current Mode
65
Yes
9.5
Yes
Yes
Yes
28
500 / 500
SOIC-7
NCP1236BD100R2G
$0.3333
Pb
A
H
P
Active
Flyback
Current Mode
100
Yes
9.5
Yes
Yes
Yes
28
500 / 500
SOIC-7
NCP1236BD65R2G
$0.3333
Pb
A
H
P
Active
Flyback
Current Mode
65
Yes
9.5
Yes
Yes
Yes
28
500 / 500
SOIC-7
NCP1236DD65R2G
$0.3333
Pb
A
H
P
Active
Flyback
Current Mode
65
Yes
9.5
Yes
Yes
Yes
28
500 / 500
SOIC-7
Application
Diagram - Block
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