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Offline Controllers | NCP1395
概览
NCP1395A A/B 提供构建可靠耐用的谐振模式电源所需的一切功能。其独特结构包括了一个 1 MHz 电压控制振荡器，其控制模式可在需要 OR 功能时带来灵活性，如多反馈路径实施中。各种具有不同反应时间的保护功能，如立即关断或基于计时器的事件、欠电压、断开的光电耦合器检测等，有利于更安全的转换器设计，而不会增加电路复杂度。可调死区时间还有利于降低击穿电流，也有利于提高开关频率。最后，板上运行跨导放大器还可实现各种不同配置，包括恒定输出电流工作模式或传统的电压调节。
- LCD/Plasma TV Converters
- High Power Ac--Dc Adapters for Notebooks
- Industrial and Medical Power Sources
- Offline Battery Chargers
- High Frequency Operation from 50 kHz up to 1.0 MHz
- Selectable Minimum Switching Frequency with ±3% Accuracy
- Timer-Based Input with Auto-Recovery Operation for Delayed Event Reaction
- Adjustable Deadtime from 150 ns to 1.0 µs
- Startup Sequence via an Adjustable Soft--Start
- Brown-Out Protection for a Simpler PFC Association
- Latched Input for Severe Fault Conditions, e.g. Overtemperature or OVP
- Enable Input for Immediate Event reaction or Simple ON/OFF Control
- Operational Transconductance Amplifier (OTA) for Multiple Feedback Loops
- Low Startup Current of 300 µA max
- Common Collector Optocoupler Connection
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NCP1395ADR2G
Pb
A
H
P
SOIC-16
1
260
REEL
2500
N
Half-Bridge
Voltage Mode
1000
Yes
Yes
Yes
Yes
Yes
20
180 / 180
Price N/A
More Details
NCP1395APG
Pb
A
H
P
PDIP-16
1
260
TUBE
25
N
Half-Bridge
Voltage Mode
1000
Yes
Yes
Yes
Yes
Yes
20
180 / 180
Price N/A
More Details
NCP1395BDR2G
Pb
A
H
P
SOIC-16
1
260
REEL
2500
N
Half-Bridge
Voltage Mode
1000
Yes
Yes
Yes
Yes
Yes
20
180 / 180
Price N/A
More Details
NCP1395BPG
Pb
A
H
P
PDIP-16
1
260
TUBE
25
N
Half-Bridge
Voltage Mode
1000
Yes
Yes
Yes
Yes
Yes
20
180 / 180
Price N/A
More Details
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