



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 | UNI-SEMIC | |
| Package | SOP-8 | |
| Operating Temperature | -40℃~+125℃ | |
| Frequency - Switching | 40kHz~60kHz | |
| Voltage - Supply | 650V | |
| Working Mode | PWM Modulation | |
| Isolation | Non-Isolated | |
| Features | Over Voltage Protection、Under Voltage Protection、Over Current Protection、High voltage direct start、Light load efficient mode、Under-voltage lockout、Leading edge blanking、Audio noise elimination | |
| Topology | Buck | |
| Pd - Power Dissipation | 50mW | |
| Voltage - Breakdown | 650V | |
| Output Voltage | 12V |

* 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.
U3211 technical specifications, attributes, and parameters.
| Attributes | Value | |
|---|---|---|
| Category | Power Management (PMIC)/AC-DC Controllers and Regulators | |
| Manufacturer | UNI-SEMIC | |
| Package | SOP-8 | |
| Operating Temperature | -40℃~+125℃ | |
| Frequency - Switching | 40kHz~60kHz | |
| Voltage - Supply | 650V | |
| Working Mode | PWM Modulation | |
| Isolation | Non-Isolated | |
| Features | Over Voltage Protection、Under Voltage Protection、Over Current Protection、High voltage direct start、Light load efficient mode、Under-voltage lockout、Leading edge blanking、Audio noise elimination | |
| Topology | Buck | |
| Pd - Power Dissipation | 50mW | |
| Voltage - Breakdown | 650V | |
| Output Voltage | 12V |
From components to fully assembled PCBs. JLCPCB supports PCB assembly for the U3211. 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.

U3211 datasheets or manufacturer documentation.
Datasheet: U3211 Datasheet (PDF)
The U3211 schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.