L7981TR DC-DC Switching Converters by STMicroelectronics
3 A step-down switching regulator
| Status: | Active |
|---|---|
| Series: | L7981 |
| RoHS: | Compliant |
Features
| 3 A DC output current |
| 4.5 V to 28 V input voltage |
| Output voltage adjustable from 0.6 V |
| 250 kHz switching frequency, programmable up to 1 MHz |
| Internal soft-start and enable |
| Low dropout operation: 100% duty cycle |
| Voltage feed-forward |
| Zero load current operation |
| Overcurrent and thermal protection |
| VFQFPN 3 x 3 - 8L and HSOP8 package |
Last 6 months Inventory & Pricing History
Resources
Product Specifications |
|---|
| DS5975 3 A step-down switching regulator |
Technical Notes & Articles |
|---|
| TN1224 Mounting instructions for SMD (surface mounting device) packages |
Design Notes & Tips |
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| DN0011 ST1S03 alternative topology: Using a buck in a negative buck-boost configuration |
Brochures |
|---|
| Electric vehicle (EV) ecosystem |
Alternative Descriptions
| Dc/Dc Conv, Buck, 1Mhz, Vfqfpn-8 | Newark Electronics |
| DC/DC CONV, BUCK, 1MHZ, VFQFPN-8 | Farnell |
| Conv DC-DC Single Step Down 4.5V to 28V 8-Pin VFQFPN T/R | Avnet Silica |
Frequently Asked Questions
Where can I find additional details, specifications and documents for a L7981TR?
Additional datasheets, footprints and schematics for L7981TR are listed on our Part Details page. You can also find images and similar parts to L7981TR on this page.
What pricing and inventory information can I view?
Distributor pricing and stock information is available for L7981TR on our Product Comparison page. Access via the 'View Pricing & Stock' button to view L7981TR price breaks, MOQs, lead times, inventory and SKUs from distributors.
What category does L7981TR fall under?
The L7981TR is listed under Power Management > DC-DC Switching Converters > Buck Regulators.
Can I view similar or alternative parts?
You can view similar parts to L7981TR when available in the Buck Regulators range under the specifications section at the bottom of the details page.
Who can I contact for technical support of the product?
Submit any questions directly to the customer support team of the distributor listing the product. For the L7981TR you can contact the distributor directly for product support, shipping queries etc.
Is the L7981TR RoHS compliant?
Yes. This part has been flagged as RoHS Compliant by STMicroelectronics.
Which authorised distributors for L7981TR have stock available?
Authorised distributors including Newark Electronics, Farnell, Avnet Silica, Avnet America and EBV Elektronik have stock available or on a lead time for L7981TR.
How do I check stock and lead times for all distributors?
Stock availability and lead times will be displayed for L7981TR often in real-time on the comparison pages.
What if I can't find stock of L7981TR?
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