


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 | Texas Instruments | |
| Package | SOIC-8 | |
| Operating Temperature | -40℃~+125℃ | |
| Frequency - Switching | 31kHz | |
| Voltage - Supply | 3.6V~12V | |
| Output Current | 1A | |
| Duty Cycle(Max) | 99% | |
| Feedback System | Primary-side feedback | |
| Working Mode | PWM Modulation | |
| Isolation | Isolation | |
| Features | Over Current Protection、Soft-start、Under-voltage lockout、Leading edge blanking | |
| Topology | Boost、Flyback、Buck、Forward | |
| Pd - Power Dissipation | 650mW | |
| Output Voltage | 4V |

* 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.
UCC3803D technical specifications, attributes, and parameters.
| Attributes | Value | |
|---|---|---|
| Category | Power Management (PMIC)/AC-DC Controllers and Regulators | |
| Manufacturer | Texas Instruments | |
| Package | SOIC-8 | |
| Operating Temperature | -40℃~+125℃ | |
| Frequency - Switching | 31kHz | |
| Voltage - Supply | 3.6V~12V | |
| Output Current | 1A | |
| Duty Cycle(Max) | 99% | |
| Feedback System | Primary-side feedback | |
| Working Mode | PWM Modulation | |
| Isolation | Isolation | |
| Features | Over Current Protection、Soft-start、Under-voltage lockout、Leading edge blanking | |
| Topology | Boost、Flyback、Buck、Forward | |
| Pd - Power Dissipation | 650mW | |
| Output Voltage | 4V |
From components to fully assembled PCBs. JLCPCB supports PCB assembly for the UCC3803D. 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.

UCC3803D datasheets or manufacturer documentation.
Datasheet: UCC3803D Datasheet (PDF)
The UCC3803D schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.