VIPer20/20A, made BLOCK DIAGRAM OSC PENTAWATT HV (022Y) 10 1 PowerSO-10 DIP-8 using VIPower M0 Technology, combines on the same silicon chip a state-of-the-art PWM circuit together with an optimized high voltage avalanche rugged Vertical Power MOSFET (620V or 700V / 0.5A). Typical applications cover off line power supplies with a secondary power cap.
ondition and 20W in single range or with doubler configuration. It is compatible from both primary or secondary regulation loop despite using around 50% less components when compared with a discrete solution. Burst mode operation is an additional feature of this device, offering the possibility to operate in stand-by mode without extra components. DRAIN ON/OFF OSCILLATOR SECURITY LATCH VDD UVLO LOGIC R/S FF S Q PWM LATCH R1 S FF R2 R3 Q OVERTEMP. DETECTOR 0.5 V + _ 1.7 µs delay 250 ns Blanking + _ + 0.5V _ 6 V/A CURRENT AMPLIFIER _ 13 V + ERROR AMPLIFIER 4.5V COMP SOURCE FC00.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | VIPer20A |
STMicroelectronics |
SMPS PRIMARY I.C. | |
2 | VIPER20A-E |
ST Microelectronics |
SMPS primary IC | |
3 | VIPer20ADIP |
STMicroelectronics |
SMPS PRIMARY I.C. | |
4 | VIPer20ASP |
STMicroelectronics |
SMPS PRIMARY I.C. | |
5 | VIPER20B |
STMicroelectronics |
SMPS PRIMARY I.C. | |
6 | VIPer20BSP |
STMicroelectronics |
SMPS PRIMARY I.C. | |
7 | VIPer20DIP |
STMicroelectronics |
SMPS PRIMARY I.C. | |
8 | VIPer20SP |
STMicroelectronics |
SMPS PRIMARY I.C. | |
9 | VIPER222 |
STMicroelectronics |
High voltage converter | |
10 | VIPER22A |
STMicroelectronics |
LOW POWER OFF LINE SMPS PRIMARY SWITCHER | |
11 | VIPer22A-E |
STMicroelectronics |
Low power OFF-line SMPS primary switcher | |
12 | VIPER22ADIP |
STMicroelectronics |
LOW POWER OFF LINE SMPS PRIMARY SWITCHER |