The VIPer22A-E combines a dedicated current mode PWM controller with a high voltage power MOSFET on the same silicon chip. Figure 1. Block diagram SO-8 DIP-8 Typical applications cover off line power supplies for battery charger adapters, standby power supplies for TV or monitors, auxiliary supplies for motor control, etc. The internal control circuit of.
■ Fixed 60 kHz switching frequency
■ 9 V to 38 V wide range VDD voltage
■ Current mode control
■ Auxiliary undervoltage lockout with hysteresis
■ High voltage start-up current source
■ Overtemperature, overcurrent and overvoltage
protection with auto-restart
Table 1. Typical power capability
Mains type
SO-8
European (195 - 265 Vac) US / wide range (85 - 265 Vac)
12 W 7W
DIP-8 20 W 12 W
Description
The VIPer22A-E combines a dedicated current mode PWM controller with a high voltage power MOSFET on the same silicon chip.
Figure 1. Block diagram
SO-8
DIP-8
Typical applications cover off.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | VIPER22ADIP |
STMicroelectronics |
LOW POWER OFF LINE SMPS PRIMARY SWITCHER | |
2 | VIPER22A |
STMicroelectronics |
LOW POWER OFF LINE SMPS PRIMARY SWITCHER | |
3 | VIPer22A-E |
STMicroelectronics |
Low power OFF-line SMPS primary switcher | |
4 | VIPer22AS |
STMicroelectronics |
LOW POWER OFF LINE SMPS PRIMARY SWITCHER | |
5 | VIPer22AS-E |
STMicroelectronics |
Low power OFF-line SMPS primary switcher | |
6 | VIPer22AS13TR |
STMicroelectronics |
LOW POWER OFF LINE SMPS PRIMARY SWITCHER | |
7 | VIPER222 |
STMicroelectronics |
High voltage converter | |
8 | VIPER20 |
STMicroelectronics |
SMPS PRIMARY I.C. | |
9 | VIPer20A |
STMicroelectronics |
SMPS PRIMARY I.C. | |
10 | VIPER20A-E |
ST Microelectronics |
SMPS primary IC | |
11 | VIPer20ADIP |
STMicroelectronics |
SMPS PRIMARY I.C. | |
12 | VIPer20ASP |
STMicroelectronics |
SMPS PRIMARY I.C. |