


Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
| Attributes | Value | |
|---|---|---|
| Category | Power Management (PMIC)/AC-DC Controllers and Regulators | |
| Manufacturer | STMicroelectronics | |
| Package | SOP-10 | |
| Operating Temperature | -40℃~+150℃ | |
| Frequency - Switching | 60kHz | |
| Voltage - Supply | 11.5V~23.5V | |
| Output Current | 450mA | |
| Duty Cycle(Max) | 80% | |
| Feedback System | Secondary-Side Feedback、Primary-side feedback | |
| Isolation | Isolation | |
| Features | Short Circuit Protection、Overtemperature protection (OTP)、High voltage direct start、Light load efficient mode、Under-voltage lockout、EMI optimization (spread spectrum)、Hiccup current limiting | |
| Topology | Flyback、Buck、Buck-Boost | |
| Pd - Power Dissipation | 1W | |
| Voltage - Breakdown | 730V |

* Images are for reference only
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.

* Images are for reference only
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
VIPER122LSTR technical specifications, attributes, and parameters.
| Attributes | Value | |
|---|---|---|
| Category | Power Management (PMIC)/AC-DC Controllers and Regulators | |
| Manufacturer | STMicroelectronics | |
| Package | SOP-10 | |
| Operating Temperature | -40℃~+150℃ | |
| Frequency - Switching | 60kHz | |
| Voltage - Supply | 11.5V~23.5V | |
| Output Current | 450mA | |
| Duty Cycle(Max) | 80% | |
| Feedback System | Secondary-Side Feedback、Primary-side feedback | |
| Isolation | Isolation | |
| Features | Short Circuit Protection、Overtemperature protection (OTP)、High voltage direct start、Light load efficient mode、Under-voltage lockout、EMI optimization (spread spectrum)、Hiccup current limiting | |
| Topology | Flyback、Buck、Buck-Boost | |
| Pd - Power Dissipation | 1W | |
| Voltage - Breakdown | 730V |
From components to fully assembled PCBs. JLCPCB supports PCB assembly for the VIPER122LSTR. Sign up to receive and start your assembly today →
Step 1 - Pre-order the parts you need from JLCPCB.
Step 2 - Place a PCBA order to have those parts assembled onto your boards.
Step 3 - JLCPCB manufactures and assembles your boards in as fast as 3 days.

VIPER122LSTR datasheets or manufacturer documentation.
Datasheet: VIPER122LSTR Datasheet (PDF)
The VIPER122LSTR schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.