Product Summary
The TOP254EN is an enhanced ecosmart, integrated off-line switcher with advanced feature set and extended power range.
Parametrics
TOP254EN absolute maximum ratings: (1)DRAIN Peak Voltage: -0.3 V to 700 V; (2)DRAIN Peak Current: TOP254: 2.08 A; (3)CONTROL Voltage: -0.3 V to 9 V; (4)CONTROL Current: 100 mA; (5)VOLTAGE MONITOR Pin Voltage: -0.3 V to 9 V; (6)CURRENT LIMIT Pin Voltage: -0.3 V to 4.5 V; (7)MULTI-FUNCTION Pin Voltage: -0.3 V to 9 V; (8)FREQUENCY Pin Voltage: -0.3 V to 9 V; (9)Storage Temperature: -65 ℃ to 150 ℃; (10)Operating Junction Temperature: -40 ℃ to 150 ℃; (11)Lead Temperature(1): 260 ℃.
Features
TOP254EN features: (1)No heatsink required up to 35 W using P, G and M packages with universal input voltage and up to 48 W at 230 VAC; (2)Output overvoltage protection (OVP)is user programmable for; (3)latching/non-latching shutdown with fast AC reset; (4)Allows both primary and secondary sensing; (5)Line undervoltage (UV)detection prevents turn-off glitches; (6)Line overvoltage (OV)shutdown extends line surge limit; (7)Accurate programmable current limit; (8)Optimized line feed-forward for line ripple rejection; (9)132 kHz frequency (254Y-258Y and all E/L packages)reduces transformer and power supply size; (10)Half frequency option for video applications; (11)Frequency jittering reduces EMI fi lter cost; (12)Heatsink is connected to SOURCE for low EMI; (13)Improved auto-restart delivers <3% of maximum power in short circuit and open loop fault conditions; (14)Accurate hysteretic thermal shutdown function automatically recovers without requiring a reset; (15)Fully integrated soft-start for minimum start-up stress; (16)Extended creepage between DRAIN and all other pins improves fi eld reliability.
Diagrams
Image | Part No | Mfg | Description | Pricing (USD) |
Quantity | |||||||||||||
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TOP254EN |
Power Integrations |
AC/DC Switching Converters Int Off-Line Switchr 43W/62W |
Data Sheet |
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Image | Part No | Mfg | Description | Pricing (USD) |
Quantity | |||||||||||||
TOP200-14 |
Other |
Data Sheet |
Negotiable |
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TOP200-4 |
Other |
Data Sheet |
Negotiable |
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TOP200YAI |
Power Integrations |
AC/DC Switching Converters 5-12W 85-265 VAC 10-25W100/115/230VAC |
Data Sheet |
Negotiable |
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TOP200YN |
Power Integrations |
AC/DC Switching Converters 5-12W 85-265 VAC 10-25W100/115/230VAC |
Data Sheet |
Negotiable |
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TOP201YAI |
Power Integrations |
AC/DC Switching Converters 0-22W 85-265 VAC 20-45W100/115/230VAC |
Data Sheet |
Negotiable |
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TOP201YN |
Power Integrations |
AC/DC Switching Converters 0-22W 85-265 VAC 20-45W100/115/230VAC |
Data Sheet |
Negotiable |
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