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TNY266PN

TinySwitch-II 10W off-line switcher, 700V MOSFET, 132kHz w/ jitter, DIP-8

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Manufacturer Part：

TNY266PN

Package：

DIP-8 (9.8 x 6.6 x 3.9mm)

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Description

Product Overview

The TNY266PN from Power Integrations is a TinySwitch-II enhanced, energy-efficient, low-power off-line switcher in a DIP-8 package. It integrates a 700V power MOSFET with an ON/OFF controller, providing up to 10W output from 85-265VAC input with auto-restart, frequency jittering for reduced EMI, and simple ON/OFF control without loop compensation.

Key Specifications

Input Voltage Range 85VAC to 265VAC (universal)
Output Power (230VAC) Up to 15W (open frame)
Output Power (85-265VAC) Up to 10W (enclosed)
Internal MOSFET Voltage 700V
Switching Frequency 132kHz (with jitter)
Frequency Jitter ~10dB EMI reduction
Auto-Restart Built-in for short circuit/open loop
Line Undervoltage Detect Programmable (EN/UV pin)
Package DIP-8 (through-hole)
Operating Temperature -40°C to +150°C (junction)

Features

  • Fully integrated auto-restart for fault protection
  • Built-in circuitry eliminates audible noise
  • Programmable line undervoltage detect prevents power on/off glitches
  • Frequency jittering reduces EMI by ~10dB
  • 132kHz switching reduces transformer size
  • Simple ON/OFF control – no loop compensation needed
  • Lowest component count switcher solution
  • No bias winding required

Applications

  • Cell phone and PDA chargers
  • PC standby power supplies
  • Appliance auxiliary supplies
  • Industrial control power
  • Isolated AC-DC converters up to 15W

The TNY266PN from Power Integrations is part of the TinySwitch-II family of enhanced, energy-efficient, low-power off-line switchers. It integrates a 700V power MOSFET and ON/OFF controller in a single DIP-8 package, providing up to 10W output from universal 85-265VAC input. The device features built-in auto-restart for short circuit and open loop protection, frequency jittering for ~10dB EMI reduction, and simple ON/OFF control that eliminates the need for loop compensation. The 132kHz switching frequency allows use of small EF12.6 or EE13 transformer cores.

The TNY266PN uses a simple ON/OFF control scheme rather than traditional PWM. The EN/UV pin receives feedback from an optocoupler that monitors the output voltage. When the output voltage is below regulation, the controller enables switching cycles. When the output is above regulation, switching cycles are skipped. This hysteretic control eliminates the need for loop compensation and provides very fast transient response. The internal 700V MOSFET switches at 132kHz with frequency jittering to spread the switching harmonic energy, reducing EMI filter requirements. Auto-restart limits average output power during fault conditions to less than 2% of maximum.

Pin Name Type Function
1 BYPASS Power Internal 5.8V supply bypass capacitor
2 SOURCE Power MOSFET source (primary side return)
3 SOURCE Power MOSFET source (primary side return)
4 EN/UV Input Enable / Undervoltage detect input
5-8 DRAIN Power MOSFET drain (high-voltage connection)
  • Cell phone and PDA wall chargers (5V/1A to 5V/2A)
  • PC standby and auxiliary power supplies
  • Home appliance control board power supplies
  • Industrial control isolated low-power supplies
  • LED driver power supplies up to 15W
Manufacturer Part Number Package Notes
Power Integrations TNY264PN DIP-8 5W version, same family
Power Integrations TNY267PN DIP-8 15W version, same family
Power Integrations TNY275PN DIP-8 TinySwitch-III, higher power
Power Integrations LNK626PN DIP-8 LinkSwitch-XT2, up to 9W
ST VIPer12AS DIP-8 12W off-line switcher alternative
Recommend Parts

TNY267PN

TinySwitch-II 15W off-line switcher, 700V MOSFET, 132kHz jitter, DIP-8

Brand:

Package:

DIP-8 (9.8 x 6.6 x 3.9mm)
In stock:
3071pcs

Cargo cycle: 3~7 Days
The minimum order is 1

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All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Shipping & Payment

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Service & Packaging

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

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