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TNY278PG The Power Integrations TNY278PG is an offline switch IC designed for energy-efficient power supplies. It operates at 700V with a frequency of 132kHz and offers up to 28W of output power.
Mfr Part #:

TNY278PG

Available from 1 distributors
Mfr Name: Power Integrations
Power Integrations
The Power Integrations TNY278PG is an offline switch IC designed for energy-efficient power supplies. It operates at 700V with a frequency of 132kHz and offers up to 28W of output power.
✓ Total Stock: 5,000 pcs
$ Price Range: $0.75

TNY278PG Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
5,000 pcs
On Request
5000 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

TNY278PG Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Control Features
Duty Cycle
Fault Protection
Frequency
Internal Switch(s)
Mounting Type
Operating Temperature
Output Isolation
Power (Watts)
Supplier Device Package
Supplier Package
Topology
Voltage
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TNY278PG Description

Short technical summary and product information.

The Power Integrations TNY278PG is an energy-efficient, off-line switcher from the TinySwitch-III family. This IC is designed for applications requiring low system cost and enhanced flexibility, such as chargers and adapters for consumer electronics.

 

Key electrical specifications include a voltage rating of 700V, an operating frequency of 132kHz, and a maximum output power of 28W under open frame conditions at 85-265 VAC. It features integrated fault protection including current limiting, open loop, over temperature, over voltage, and short circuit protection. The device also has a duty cycle of 65% and supports isolated output.

 

Packaged in an 8-DIP form factor, the TNY278PG is designed for through-hole mounting. Its operating temperature range is -40°C to 150°C (TJ). The product highlights include simple ON/OFF control, selectable current limit, and frequency jittering for reduced EMI filter costs. It is suitable for various applications including adapters for cell phones, PDAs, digital cameras, and standby power supplies.

TNY278PG Quick Information

Product Type: AC DC Converters, Offline Switches
Series: TinySwitch-III
Canonical Name: TNY278PG Offline Switch IC
Subcategory: AC DC Converters

TNY278PG Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

TNY278PG Estimated Pricing

Qty Low High
1+ $0.75 $0.75

Estimated market price range - modelled values for guidance only, not live distributor offers.

TNY278PG Features

  • Energy-efficient off-line switcher IC.
  • 700V voltage rating for robust operation.
  • 132kHz switching frequency.
  • Up to 28W maximum output power.
  • Through-hole mounted 8-DIP package.

TNY278PG Applications

  • Ideal for chargers and adapters.
  • Suitable for consumer electronics.
  • Used in standby power supplies.
  • Applicable for PDAs and digital cameras.

TNY278PG FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage of the TNY278PG?

700V.

What is the switching frequency?

132kHz.

What is the maximum output power?

The maximum output power is 28W for adapter applications at 85-265 VAC input.

What package is the TNY278PG available in?

8-DIP (0.300", 7.62mm), 7 leads, through hole.

What is the operating temperature range?

-40°C to 150°C (junction temperature).

What fault protection features are included?

Current limiting, open loop, over temperature, over voltage, and short circuit protection.

What topology does the TNY278PG use?

Flyback with isolated output.

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