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Description
TinySwitch Plus Energy Efficient, Low Power Off-line Switcher
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TinySwitch Plus Features
● Extended power range
● Fully integrated auto-restart reduces short circuit current
● Line under-voltage sense eliminates turn-off glitches
● Frequency jittering dramatically reduces EMI (5 to 10 dB)
● TO-220 package option
Lowest Cost, Low Power Switcher Solution
● Lower cost than RCC, discrete PWM and other integrated/hybrid solutions
● Cost effective replacement for bulky linear adapters
● Lowest component count
● Simple ON/OFF control-no loop compensation components
● No bias winding - simpler, lower cost transformer
● Designed to work with low cost external components
Extremely Energy Efficient
● Consumes only 30/60 mW at 115/230 VAC with no load
● Meets Blue Angel, Energy Star, Energy 2000 and 200mW European cell phone requirements for standby
● Saves $1 to $4 per year in energy costs (at $0.12/kWHr) compared to bulky 1inear adapters
● Ideal for cellular phone chargers and adapters
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 1ine frequency ripple
● Built-in current limit and thermal protection
Description
The TNY256 extends the power range of the TinySwitch family of energy efficient, low power off-line switchers. TinySwitch devices use a breakthrough design to provide the lowest cost, high efficieney, off-line switching solution for low power applications. They integrate a 700V powerMOSFET, oscillator, high voltage switched current source, current limit and thermal shutdown circuitry into a single,monolithic device.The devices start-up and operate on power derived from the DRAIN voltage,eliminating the need for a transformer bias winding and associated circuitry.TinySwitch's low operating current allows power supply no-load consumption to be kept under 100 mW,even at 265 VAC input.
The TinySwitch Plus incorporates auto-restart, lineunder-voltage sense, and frequency jittering features. The auto-restart circuit safely limits output power during fault conditions such as output short or open loop. The auto-restart circuit is fully integrated and does not require external timing components. The line under-voltage sense threshold can be externally programmed using a line sense resistor. During start-up, this feature keeps the TNY256offuntil the input line voltage reaches the under-voltage threshold.When the input line voltage is removed, the line under-voltage circuit prevents auto-restart attempts after the output goes out of regulation. This eliminates power down glitches caused by the slow discharge of input storage capacitors present in applications such as standby supplies. A single resistor is used to implement this feature,eliminating what normally takes five to six components.The line sense resistor is optional.The TNY256operating frequency of 130kHzis jittered(frequency modulated)to reduce both quasi-peak and average EMI, minimizing filtering costs.
Preview of the first 3 pages of the data sheet
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222 buyer reviews from India
Heather King
Length of registration:7 years
recently purchased an IC TNY256PN from your company and I am pleased with the functionality. The IC is easy to use and has a wide range of features that make it a great choice for my project. The power efficiency and low power consumption are also great features. I am very satisfied with the product and would highly recommend it to others. Thank you for providing such a great product.
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03/17/2023
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TNY256PN
TNY256PN has several brands around the world that may have alternate names for TNY256PN due to regional differences or acquisition. TNY256PN may also be known as the following names:
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Unit Price:1.25370
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