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LNK564P Dataheets PDF



Part Number LNK564P
Manufacturers Power Integrations
Logo Power Integrations
Description Energy Efficient Off-Line Switcher
Datasheet LNK564P DatasheetLNK564P Datasheet (PDF)

LNK562-564 LinkSwitch®-LP Energy Efficient Off-Line Switcher IC for Linear Transformer Replacement Product Highlights Lowest System Cost and Advanced Safety Features • Lowest component count switcher • Very tight parameter tolerances using proprietary IC trimming technology and transformer construction techniques enable Clampless™designs – decreases component count/system cost and increases efficiency • Meets industry standard requirements for thermal overload protection – eliminates the thermal .

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LNK562-564 LinkSwitch®-LP Energy Efficient Off-Line Switcher IC for Linear Transformer Replacement Product Highlights Lowest System Cost and Advanced Safety Features • Lowest component count switcher • Very tight parameter tolerances using proprietary IC trimming technology and transformer construction techniques enable Clampless™designs – decreases component count/system cost and increases efficiency • Meets industry standard requirements for thermal overload protection – eliminates the thermal fuse used with linear transformers or additional components in RCC designs • Frequency jittering greatly reduces EMI – enables low cost input filter configuration • Meets HV creepage requirements between DRAIN and all other pins, both on the PCB and at the package • Proprietary E-Shield™ transformer eliminates Y-capacitor Superior Performance over Linear and RCC • Hysteretic thermal shutdown protection – automatic recovery improves field reliability • Universal input range allows worldwide operation • Auto-restart reduces delivered power by >85% during short circuit and open loop fault conditions • Simple ON/OFF control, no loop compensation needed • High bandwidth provides fast turn on with no overshoot and excellent transient load response EcoSmart®– Energy Efficiency Technology • Easily meets all global energy efficiency regulations with no added components • No-load consumption <150 mW at 265 VAC input • ON/OFF control provides constant efficiency to very light loads – ideal for mandatory CEC regulations Applications • Chargers for cell/cordless phones, PDAs, power tools, MP3/portable audio devices, shavers etc. • Standby and auxiliary supplies Description LinkSwitch-LP switcher ICs cost effectively replace all unregulated isolated linear transformer based (50/60 Hz) power supplies up to 3 W output power. For worldwide operation, a single universal input design replaces multiple linear transformer based designs. The self-biased circuit achieves an extremely low no-load consumption of under 150 mW. The internal oscillator frequency is jittered to significantly reduce both quasi-peak and average EMI, minimizing filter cost. AC IN + DC Output LinkSwitch-LP D FB BP S (a) PI-3923-092705 VO Rated Output Power = VR • IR VR IR IO (b) PI-3924-011706 Figure 1. Typical Application – not a Simplified Circuit (a) and Output Characteristic Envelope (b). OUTPUT POWER TABLE1 PRODUCT4 230 VAC ±15% 85-265 VAC Adapter2 Open Frame3 Adapter2 Open Frame3 LNK562P/G/D 1.9 W 1.9 W 1.9 W 1.9 W LNK563P/G/D 2.5 W 2.5 W 2.5 W 2.5 W LNK564P/G/D 3 W 3W 3W 3W Table 1. Output Power Table. Notes: 1. Output power may be limited by specific application parameters including core size and Clampless operation (see Key Application Considerations). 2. Minimum continuous power in a typical non-ventilated enclosed adapter measured at 50 °C ambient. 3. Minimum practical continuous power in an open frame design with adequate heat sinking, measured at 50 °C ambient. 4. Packages: P:.


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