LNK623PG Energy-Effi cient Off-line Switcher with Accurate Primary-side Constant-Voltage (CV) Control digital integrate
manufacturer:
Manufacturer
Description:
Converter Offline Flyback Topology 100kHz 8-PDIP-C
Category:
Power Management ICs
Price:
Negotiation
Payment Method:
T/T, Western Union,PayPal
Specifications
DRAIN Voltage:
-0.3 V To 700 V
DRAIN Peak Current:
400 (600) MA
Feedback Voltage:
-0.3 V To 9 V
Feedback Current:
100 MA
Storage Temperature:
-65 °C To 150 °C
Lead Temperature:
260 °C
Highlight:
electronics ic chip
,integrated circuit components
Introduction
LNK623PG Energy-Effi cient, Off-line Switcher with Accurate Primary-side Constant-Voltage (CV) Control digital integrate
Dramatically Simplifi es CV Converters
• Eliminates optocoupler and all secondary CV control circuitry
• Eliminates bias winding supply – IC is self biasing
Advanced Performance Features
• Compensates for external component temperature variations
• Compensates for external component temperature variations
• Very tight IC parameter tolerances using proprietary trimming technology
• Continuous and/or discontinuous mode operation for design fl exibility
• Frequency jittering greatly reduces EMI fi lter cost
• Even tighter output tolerances achievable with external resistor selection/trimming
Advanced Protection/Safety Features
Advanced Protection/Safety Features
• Auto-restart protection reduces delivered power by >95% for output short circuit and all control loop faults (open and shorted components)
• Hysteretic thermal shutdown – automatic recovery reduces power supply returns from the fi eld
• Meets HV creepage requirements between Drain and all other pins, both on the PCB and at the package
Applications
• DVD/STB • Adapters
• Standby and auxiliary supplies
• Home appliances, white goods and consumer electronics
• Industrial controls
Description
The LinkSwitch-CV dramatically simplifies low power, constant voltage (CV) converter design through a revolutionary control technique which eliminates the need for both an optocoupler and secondary CV control circuitry while providing very tight output voltage regulation. The combination of proprietary IC trimming and E-Shield™ transformer construction techniques enables Clampless™ designs with the LinkSwitch-CV LNK623/4.
Absolute Maximum Ratings
DRAIN Voltage .................................. .......................-0.3 V to 700 V
DRAIN Peak Current: LNK623 ......................... 400 (600) mA(4)
LNK624 ......................... 400 (600) mA(4)
LNK625 ..........................528 (790) mA(4)
LNK626 ........................720 (1080) mA(4)
Peak Negative Pulsed DRAIN Current ................... ...... -100 mA(2)
Feedback Voltage ................................................. .......-0.3 V to 9 V
Feedback Current ................................................. .............. 100 mA
BYPASS Pin Voltage ..................................... .............-0.3 V to 9 V
Storage Temperature ...................................... ..... -65 °C to 150 °C
Operating Junction Temperature.........................-40 °C to 150 °C
Lead Temperature(3) .................................................................260 °C
Typical Performance Characteristics
Absolute Maximum Ratings
DRAIN Voltage .................................. .......................-0.3 V to 700 V
DRAIN Peak Current: LNK623 ......................... 400 (600) mA(4)
LNK624 ......................... 400 (600) mA(4)
LNK625 ..........................528 (790) mA(4)
LNK626 ........................720 (1080) mA(4)
Peak Negative Pulsed DRAIN Current ................... ...... -100 mA(2)
Feedback Voltage ................................................. .......-0.3 V to 9 V
Feedback Current ................................................. .............. 100 mA
BYPASS Pin Voltage ..................................... .............-0.3 V to 9 V
Storage Temperature ...................................... ..... -65 °C to 150 °C
Operating Junction Temperature.........................-40 °C to 150 °C
Lead Temperature(3) .................................................................260 °C
Typical Performance Characteristics
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Stock:
MOQ:
3000pcs