



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 | ICW | |
| Package | SOP-8L | |
| Operating Temperature | -40℃~+150℃ | |
| Frequency - Switching | 1kHz~45kHz | |
| Output Current | 400mA | |
| Duty Cycle(Max) | 70% | |
| Working Mode | CCM、DCM、PFM Modulation | |
| Isolation | Non-Isolated | |
| Features | Under Voltage Protection、Over Current Protection、Short Circuit Protection、Overtemperature protection (OTP)、Constant Voltage (CV)、High voltage direct start、Under-voltage lockout、EMI optimization (spread spectrum)、Leading edge blanking、Hiccup current limiting | |
| Topology | Buck、Buck-Boost | |
| Pd - Power Dissipation | 0.45W | |
| Voltage - Breakdown | 800V | |
| Output Voltage | 5V |

* 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.
ICW4008B technical specifications, attributes, and parameters.
| Attributes | Value | |
|---|---|---|
| Category | Power Management (PMIC)/AC-DC Controllers and Regulators | |
| Manufacturer | ICW | |
| Package | SOP-8L | |
| Operating Temperature | -40℃~+150℃ | |
| Frequency - Switching | 1kHz~45kHz | |
| Output Current | 400mA | |
| Duty Cycle(Max) | 70% | |
| Working Mode | CCM、DCM、PFM Modulation | |
| Isolation | Non-Isolated | |
| Features | Under Voltage Protection、Over Current Protection、Short Circuit Protection、Overtemperature protection (OTP)、Constant Voltage (CV)、High voltage direct start、Under-voltage lockout、EMI optimization (spread spectrum)、Leading edge blanking、Hiccup current limiting | |
| Topology | Buck、Buck-Boost | |
| Pd - Power Dissipation | 0.45W | |
| Voltage - Breakdown | 800V | |
| Output Voltage | 5V |
From components to fully assembled PCBs. JLCPCB supports PCB assembly for the ICW4008B. 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.

ICW4008B datasheets or manufacturer documentation.
Datasheet: ICW4008B Datasheet (PDF)
The ICW4008B schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.