TNY278PN - Power Integrations

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

TNY278PN
Manufacturer

Power Integrations
ChipWorker Part#

CW801959
Category

AC to DC Converter, AC/DC Power Module
Package

DIP-8
Description

AC-DC Converter, Offline Switcher, Energy Efficient, 21.5W(85-265VAC) 28W(230VAC), 7Pin, DIP8
Documentation

Datasheet

TNY278PN Global Supplier

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TNY278PN Specifications

Attribute	Attribute Value

Part Number	TNY278PN
Manufacturer	Power Integrations
ChipWorker Part#	CW801959
Category	AC to DC Converter, AC/DC Power Module
Documentation	Datasheet
Mounting Style	Through Hole
Number of Pins	8 Pin
Case/Package	DIP-8
Frequency	132 kHz
Supply Voltage (DC)	85.0V (min)
Power Rating	28 W
Number of Outputs	1 Output
Output Voltage	700 V
Output Current	1.04 A
Breakdown Voltage	700 V
Supply Current	445 µA
Number of Positions	8 Position
Output Power	21.5 W
Switching Frequency	132 kHz
Duty Cycle	65 %
Input Voltage (AC Max)	265 v
Input Voltage (AC Min)	85 v
Maximum Duty Cycle	65 %
Operating Temperature (Max)	150 ℃
Operating Temperature (Min)	-40 ℃
Input Voltage	85.265 V
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Operating Temperature	-40℃ ~ 150℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
HK STC License	NLR

Product Description

The TNY278PN is a TinySwitch-III energy-efficient, off-line Switcher with enhanced flexibility and extended power range, incorporates a 700V power MOSFET, oscillator, high voltage switched current source, current limit (user selectable) and thermal shutdown circuitry. The IC family uses an ON/OFF control scheme and offers a design flexible solution with a low system cost and extended power capability.
Simple ON/OFF Control, No Loop Compensation Needed
Selectable Current Limit Through BP/M Capacitor Value
Higher Current Limit Extends Peak Power or, in Open Frame Applications, Maximum Continuous Power
Lower-current Limit Improves Efficiency In Enclosed Adapters/Chargers
Allows Optimum TinySwitch-III Choice by Swapping Devices with No Other Circuit Redesign
Tight I²f Parameter Tolerance Reduces System Cost
Maximizes MOSFET and Magnetic Power Delivery
Minimizes Max Overload Power, Reducing Cost of Transformer, Primary Clamp and Secondary Components
ON-time Extension, Extends Low Line Regulation Range/Hold-up Time to Reduce Input Bulk Capacitance
Self-biased - No Bias Winding or Bias Components
Frequency Jittering Reduces EMI Filter Costs
Pin-out Simplifies Heatsinking to PCB
SOURCE Pins are Electrically Quiet for Low EMI
Enhanced Safety and Reliability
Accurate hysteretic thermal shutdown protection with automatic recovery
Improved Auto-restart Delivers <3% of Maximum Power in Short-circuit and Open Loop Fault Conditions
Output Overvoltage Shutdown with Optional Zener
Line Undervoltage Detect Threshold Set Using a Single Optional Resistor
Very Low Component Count Enhances Reliability and Enables Single-sided Printed Circuit Board Layout
High Bandwidth Provides Fast Turn On with No Overshoot and Excellent Transient Load Response
Maximum ratings specified may be applied, one at a time, without causing permanent damage to the product.

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