This document describes a demonstration board of a 40 W switch-mode power supply dedicated to set-top box, DVD and auxiliary SMPS for flat TVs or small size flat screen equipment.
The board accepts a wide range of input voltages (90 to 265Vrms) and delivers 4 voltages. The design is based on the L6566B, a new current mode fixed frequency or QR controller.
High efficiency and low standby consumption are the main characteristics of this board. These advantages, coupled with minimal part count required and low-cost approach of the global solution, make it a very interesting solution for powering digital consumer equipment, capable of meeting worldwide standby rules.
| Manufacturer | STMicroelectronics |
|---|---|
| Category | AC/DC and DC/DC Conversion |
| Sub-Category | AC/DC SMPS - Multi Output |
| Eval Board Part Number | 497-6450-ND |
| Eval Board Supplier | STMicroelectronics |
| Eval Board |
Normally In Stock
|
| AC Voltage |
115 V
230 V Universal (115 / 230V) |
| Outputs and Type |
4 Isolated
|
| Voltage Out: Highest Current First |
5V, 12V, 1.8V, 3.3V
|
| Current Out |
2.4A, 1.9A, 1.7A, 500mA
|
| Output Power |
40 W
|
| Efficiency @ Conditions |
>79%, 230V in @ Full Load
>77%, 115V in @ Full Load |
| No-load Input Power @ Voltage |
180 mW @ 115 V
240 mW @ 230 V |
| Features |
Over Voltage Protection
PFC Short Circuit Protection Shutdown, Enable, Standby Soft Start Thermal Protection Under Voltage Protection, Brown-Out |
| Switching Frequency |
62 kHz
|
| Internal Switch |
No
|
| Component Count + Extras |
100 + 2
|
| Voltage In |
90 ~ 264 VAC
|
| Application / Target Market |
Computers
Set-Top Boxes |
| Design Author |
STMicroelectronics
|
| Main I.C. Base Part |
L6566B
|
| Date Created By Author | |
| Date Added To Library | 2011-03 |
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