TNY263-268
TinySwitch-II Family
®
Enhanced, Energy Efficient, Low Power
Off-line Switcher
Product Highlights
+
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 undervoltage 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
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Optional
UV Resistor
DC
Output
Wide-Range
HV DC Input
D
TinySwitch-II
EN/UV
BP
S
PI-2684-021809
Figure 1.
Typical Standby Application.
Output Power Table
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
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