The main features of this design are the very low no-load input consumption (<0.5 W) and the very high global efficiency, better than 90% at full load and nominal mains voltage (115 - 230 VAC).
The circuit consists of three main blocks. The first is a front-end PFC pre-regulator based on the L6563 PFC controller. The second stage is a multi-resonant half-bridge converter with two output voltages of +200 V/300 W and 75 V/75 W, whose control is implemented through the L6599 resonant controller. A further auxiliary flyback converter based on the VIPer12A off-line primary switcher completes the architecture. This third block, delivering a total power of 7 W on two output voltages (+3.3 V and +5 V), is mainly intended for microprocessor supply and display power management operations
| Manufacturer | STMicroelectronics |
|---|---|
| Category | AC/DC and DC/DC Conversion |
| Sub-Category | AC/DC SMPS - Multi Output |
| Eval Board Part Number | 497-5857-ND |
| Eval Board Supplier | STMicroelectronics |
| Eval Board |
Board not Stocked
|
| AC Voltage |
115 V
230 V Universal (115 / 230V) |
| Outputs and Type |
4 Isolated
|
| Voltage Out: Highest Current First |
200V, 75V, 5V, 3.3V
|
| Current Out |
1.5A, 1A, 1A, 700mA
|
| Output Power |
400 W
|
| Efficiency @ Conditions |
>90%, 230V in, from 100 ~ 400 W
>87%, 115V in, @ 75~ 400 W |
| No-load Input Power @ Voltage |
220 mW @ 115 V
480 mW @ 230 V |
| Features |
Over Current Protection
Over Voltage Protection PFC Short Circuit Protection Thermal Protection |
| Switching Frequency |
120 kHz
|
| Internal Switch |
No
|
| Component Count + Extras |
192 + 3
|
| Voltage In |
90 ~ 264 VAC
|
| Application / Target Market |
Computers
LCD TV / Monitor Telecom |
| Design Author |
STMicroelectronics
|
| Main I.C. Base Part |
L6599
|
| Date Created By Author | |
| Date Added To Library | 2017-05 |
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