Summary
This document is an engineering report describing an Adapter power supply utilizing a TNY268P. This power supply is intended as a general purpose evaluation platform for TNY268P.
A Flyback converter is used to obtain 5.25 V / 2.5 A output from 90-264 VAC input. Using technical skill of core cancellation and balance shield windings reduce EMI noise.
The document contains the power supply specification, schematic, bill of materials, transformer documentation, printed circuit layout, and performance data.
A Flyback converter is used to obtain 5.25 V / 2.5 A output from 90-264 VAC input. Using technical skill of core cancellation and balance shield windings reduce EMI noise.
The document contains the power supply specification, schematic, bill of materials, transformer documentation, printed circuit layout, and performance data.
Specifications
| Manufacturer | Power Integrations |
|---|---|
| Category | AC/DC and DC/DC Conversion |
| Sub-Category | AC/DC SMPS - Single Output |
| Eval Board |
Board not Stocked
|
| AC Voltage |
115 V
230 V Universal (115 / 230V) |
| Outputs and Type |
1 Isolated
|
| Voltage Out |
5.25 V
|
| Current Out |
2.5 A
|
| Output Power |
13.1 W
|
| Features |
Current Limit (Adj. or Fixed)
Open Circuit Protection Short Circuit Protection Thermal Protection Under Voltage Protection, Brown-Out |
| Efficiency @ Conditions |
>73%, 105 ~ 264 VACin
|
| No-load Input Power @ Voltage |
300 mW @ 264 VAC
|
| Switching Frequency |
132 kHz
|
| Internal Switch |
Yes
|
| Component Count + Extras |
36 + 1
|
| Voltage In |
90 ~ 264 VAC
|
| Design Author |
Power Integrations
|
| Application / Target Market |
Battery Chargers
Cell Phones Power: AC Adapters Power: Auxiliary Power Supply |
| Main I.C. Base Part |
TNY268
|
| Date Created By Author | 2005-11 |
| Date Added To Library | 2014-06 |
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