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LNK603-606 Datasheet(PDF) 1 Page - FERYSTER Inductive Components Manufacturer |
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LNK603-606 Datasheet(HTML) 1 Page - FERYSTER Inductive Components Manufacturer |
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1 / 20 page  LNK603-606/613-616 LinkSwitch-II Family www.powerint.com June 2008 Energy-Efficient, Accurate CV/CC Switcher for Adapters and Chargers ® Output Power Table Product3 85-265 VAC Adapter1 Open Frame2 LNK603/613PG/DG 2.5 W 3.3 W LNK604/614PG/DG 3.5 W 4.1 W LNK605/615PG/DG 4.5 W 5.1 W LNK606/616PG/GG 5.5 W 6.1 W Table 1. Output Power Table. Notes: 1. Minimum continuous power in a typical non-ventilated enclosed adapter measured at +50 °C ambient, device, T J <100 °C. 2. Maximum practical continuous power in an open frame design with adequate heatsinking, measured at 50 °C ambient (see Key Applications Considerations section for more information). 3. Packages: P: DIP-8C, G: SMD-8C, D: SO-8C. Product Highlights Dramatically Simplifies CV/CC Converters Eliminates Optocoupler and all secondary CV/CC control circuitry Eliminates all control loop compensation circuitry Advanced Performance Features Compensates for transformer inductance tolerances Compensates for input line voltage variations Compensates for cable voltage drop (LNK61X series) Compensates for external component temperature variations Very tight IC parameter tolerances using proprietary trimming technology Frequency jittering greatly reduces EMI filter cost Even tighter output tolerances achievable with external resistor selection/trimming Advanced Protection/Safety Features Auto-restart protection reduces power delivered by >95% for output short circuit and control loop faults (open and shorted components) Hysteretic thermal shutdown – automatic recovery reduces power supply returns from the field Meets HV creepage requirements between Drain and all other pins both on the PCB and at the package EcoSmart® – Energy Efficient Easily meets all global energy efficiency regulations No-load consumption <200 mW at 230 VAC and down to below 30 mW with optional external bias On/Off control provides constant efficiency down to very light loads – ideal for CEC and ENERGY STAR 2.0 regulations No current sense resistors – maximizes efficiency Green Package Halogen free and RoHS compliant package Applications Chargers for cell/cordless phones, PDAs, MP3/portable audio devices, adapters, LED drivers, etc. Description The LinkSwitch-II dramatically simplifies low power CV/CC charger designs by eliminating an optocoupler and secondary control circuitry. The device introduces a revolutionary control technique to provide very tight output voltage and current regulation, compensating for transformer and internal parameter tolerances along with input voltage variations. The device incorporates a 700 V power MOSFET, a novel On/Off control state machine, a high voltage switched current source for self biasing, frequency jittering, cycle-by-cycle current limit and hysteretic thermal shutdown circuitry onto a monolithic IC. • • • • • • • • • • • • • • • • • • Figure 1. Typical Application/Performance – Not a Simplified Circuit (a) and Output Characteristic Envelope (b). (see Application Section for more information). LinkSwitch-II Wide Range HV DC Input PI-4960-060608 D S FB BP/M I O V O ±5% ±10% PI-4906-041008 (a) Typical Application Schematic (b) Output Characteristic |
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