
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)/DC-DC Converters | |
| Manufacturer | ROHM Semicon | |
| Package | HTSSOP-B28 | |
| Operating Temperature | -20℃~+100℃ | |
| Function | Step-down type | |
| Synchronous Rectifier | Yes | |
| Voltage - Supply | 7.5V~20V | |
| Output Type | Adjustable | |
| Output Current | 10mA | |
| Quiescent Current | 10uA | |
| Features | Overcurrent Protection、Output discharge、Protection latch、Adjustable current limiting | |
| Switch tube (built-in/external) | External | |
| Topology | Buck | |
| Output Voltage | 700mV~5.5V | |
| Number of Outputs | 2 |

* 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.
BD9540EFV-E2 technical specifications, attributes, and parameters.
| Attributes | Value | |
|---|---|---|
| Category | Power Management (PMIC)/DC-DC Converters | |
| Manufacturer | ROHM Semicon | |
| Package | HTSSOP-B28 | |
| Operating Temperature | -20℃~+100℃ | |
| Function | Step-down type | |
| Synchronous Rectifier | Yes | |
| Voltage - Supply | 7.5V~20V | |
| Output Type | Adjustable | |
| Output Current | 10mA | |
| Quiescent Current | 10uA | |
| Features | Overcurrent Protection、Output discharge、Protection latch、Adjustable current limiting | |
| Switch tube (built-in/external) | External | |
| Topology | Buck | |
| Output Voltage | 700mV~5.5V | |
| Number of Outputs | 2 |
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Step 1 - Pre-order the parts you need from JLCPCB.
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Step 3 - JLCPCB manufactures and assembles your boards in as fast as 3 days.

BD9540EFV-E2 datasheets or manufacturer documentation.
Datasheet: BD9540EFV-E2 Datasheet (PDF)
The BD9540EFV-E2 schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.