LNK4012S-TL集成電路（IC）的ACDC轉換器離線開關規(guī)格書PDF中文資料

Dramatically Simplifies CV/CC Converters

? Eliminates optocoupler and all secondary CV/CC control circuitry

? Eliminates all control loop compensation circuitry

Advanced Performance Features

? Dynamic base drive technology provides flexibility in choice of BJT

transistor by dynamically optimizing BJT switching characteristics

? Extends RBSOA of BJT

? Dramatically reduces sensitivity to BJT gain

? Compensates for input line voltage variations

? Compensates for cable voltage drop

? Compensates for external component temperature variations

? Very accurate IC parameter tolerances using proprietary trimming

technology

? Frequency up to 65 kHz to reduce transformer size

? The minimum peak current is fixed to improve transient load response

Enhanced Performance Features

? Easy start for starting into capacitive loads (LNK4114D, LNK4115D)

? Constant power for high current start-up (LNK4214D, LNK4215D)

? 13003 drive improved efficiency with 13003 BJT’s (LNK4302S,

LNK4322S)

Advanced Protection/Safety Features

? Single fault output overvoltage and short-circuit

? Over-temperature protection

? Active clamp

EcoSmart?– Energy Efficient

? Meets DoE 6 and CoC V5 2016 via an optimized quasi-resonant

switching PWM/PFM control

? No-load consumption of <30 mW at 230 VAC input

Green Package

? Halogen free and RoHS compliant package

Applications

? Chargers for cell/cordless phones, PDAs, MP3/portable audio

devices, adapters, networking, etc.