
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 | STMicroelectronics | |
| Package | TSSOP-20 | |
| Operating Temperature | -40℃~+125℃@(TJ) | |
| Function | Step-down type | |
| Synchronous Rectifier | Yes | |
| Frequency - Switching | 110kHz~1MHz | |
| Output Type | Adjustable | |
| Voltage - Supply | 3V~5.5V | |
| Quiescent Current | 400uA | |
| Features | Overcurrent Protection、Light load efficient mode、Protection latch、Adjustable soft-start、Operating status indication、Adjustable current limiting、Cable compensation | |
| Switch tube (built-in/external) | External | |
| Topology | Buck | |
| Number of Outputs | 1 |

* 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.
L6997STR technical specifications, attributes, and parameters.
| Attributes | Value | |
|---|---|---|
| Category | Power Management (PMIC)/DC-DC Converters | |
| Manufacturer | STMicroelectronics | |
| Package | TSSOP-20 | |
| Operating Temperature | -40℃~+125℃@(TJ) | |
| Function | Step-down type | |
| Synchronous Rectifier | Yes | |
| Frequency - Switching | 110kHz~1MHz | |
| Output Type | Adjustable | |
| Voltage - Supply | 3V~5.5V | |
| Quiescent Current | 400uA | |
| Features | Overcurrent Protection、Light load efficient mode、Protection latch、Adjustable soft-start、Operating status indication、Adjustable current limiting、Cable compensation | |
| Switch tube (built-in/external) | External | |
| Topology | Buck | |
| Number of Outputs | 1 |
From components to fully assembled PCBs. JLCPCB supports PCB assembly for the L6997STR. 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.

L6997STR datasheets or manufacturer documentation.
Datasheet: L6997STR Datasheet (PDF)
The L6997STR schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.