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LNK604DG Datasheet(PDF) 1 Page - Power Integrations, Inc. |
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LNK604DG Datasheet(HTML) 1 Page - Power Integrations, Inc. |
1 / 18 page LNK603-606/613-616 LinkSwitch-II Family www.powerint.com January 2010 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/DG 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 • Programmable switching frequency up to 85 kHz to reduce transformer size 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 high voltage 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 below 30 mW at 230 VAC with optional external bias winding • 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 High Voltage DC Input PI-4960-011510 D S FB BP/M IO VO ±5% ±10% PI-4906-041008 (a) Typical Application Schematic (b) Output Characteristic |
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