Wednesday, December 7, 2016

M510 TNY267PN TinySwitch-II Family Enhanced, Energy Efficient, Low Power Off-line Switcher

TinySwitch-II Features Reduce System Cost

• Fully integrated auto-restart for short circuit and open loop fault protection – saves external component costs
• Built-in circuitry practically eliminates audible noise with ordinary dip-varnished transformer
• Programmable line under-voltage detect feature prevents power on/off glitches – saves external components
• Frequency jittering dramatically reduces EMI (~10 dB) – minimizes EMI filter component costs
• 132 kHz operation reduces transformer size – allows use of EF12.6 or EE13 cores for low cost and small size
• Very tight tolerances and negligible temperature variation on key parameters eases design and lowers cost
• Lowest component count switcher solution
• Expanded scalable device family for low system cost

Better Cost/Performance over RCC & Linears

• Lower system cost than RCC, discrete PWM and other integrated/hybrid solutions
• Cost effective replacement for bulky regulated linears
• Simple ON/OFF control – no loop compensation needed
• No bias winding – simpler, lower cost transformer
• Simple design practically eliminates rework in manufacturing

EcoSmart® – Extremely Energy Efficient

• No load consumption <50 265="" and="" at="" bias="" br="" input="" mw="" vac="" winding="" with="" without=""> • Meets California Energy Commission (CEC), Energy Star, and EU requirements
• Ideal for cell-phone charger and PC standby applications High Performance at Low Cost
• High voltage powered – ideal for charger applications
• High bandwidth provides fast turn on with no overshoot
• Current limit operation rejects line frequency ripple
• Built-in current limit and thermal protection improves safety


TinySwitch-II integrates a 700 V power MOSFET, oscillator, high voltage switched current source, current limit and thermal shutdown circuitry onto a monolithic device. The start up and operating power are derived directly from the voltage on the DRAIN pin, eliminating the need for a bias winding and associated circuitry.


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