L4971 DC-DC Switching Converters by STMicroelectronics
1.5A Switching Regulator
| Status: | Active |
|---|---|
| Series: | L4971 |
| RoHS: | Compliant |
Where to Buy
Prices starting from US$1.38
| Distributor | Stock | ||
|---|---|---|---|
|
RS
from US$2.00
|
1,412
in stock
|
Buy Now |
|
Future Electronics
from US$1.64
|
1,600
in stock
|
Buy Now |
|
Transfer Multisort Elektronik
from US$2.38
|
207
in stock
|
Buy Now |
|
Avnet Silica
-
|
8,950
in stock
|
Buy Now |
|
EBV Elektronik
-
|
600
in stock
|
Buy Now |
|
Newark Electronics
from US$1.92
|
-
|
Buy Now |
|
Avnet America
from US$1.83
|
-
|
Buy Now |
|
Farnell
from US$1.38
|
-
|
Buy Now |
Features
| PROTECTION AGAINST FEEDBACK DISCONNECTION |
| INHIBIT FOR ZERO CURRENT CONSUMPTION |
| SOFT START FUNCTION |
| THERMAL SHUTDOWN |
| ZERO LOAD CURRENT OPERATION |
| VOLTAGE FEEDFORWARD |
| UP TO 1.5A STEP DOWN CONVERTER |
| PRECISE 3.3V (±1%) INTERNAL REFERENCE VOLTAGE |
| OPERATING INPUT VOLTAGE FROM 8V TO 55V |
| SWITCHING FREQUENCY ADJUSTABLE UP TO 300KHz |
| INTERNAL CURRENT LIMITING (PULSE-BY PULSE AND HICCUP MODE) |
| OUTPUT VOLTAGE ADJUSTABLE FROM 3.3V TO 50V |
Resources
Product Specifications |
|---|
| DS1272 1.5A step down switching regulator |
Application Notes |
|---|
| AN4070 250 W grid connected microinverter |
| AN937 Designing with L4971, 1.5 A high efficiency DC-DC converter |
| AN1941 Low Voltage LED Driver Using L6920D, L4971 and L6902D |
Technical Notes & Articles |
|---|
| TN1224 Mounting instructions for SMD (surface mounting device) packages |
Design Notes & Tips |
|---|
| DN0010 Adapting ST power line modem evaluation boards to communicate over a DC bus |
| DN0011 ST1S03 alternative topology: Using a buck in a negative buck-boost configuration |
Brochures |
|---|
| Electric vehicle (EV) ecosystem |
Alternative Descriptions
| L4971 Series 55 V 1.5 A Step Down Switching Regulator Through Hole - DIP-8 | Future Electronics |
| Conv DC-DC Single Step Down 8V to 55V | RS |
| IC: driver | Transfer Multisort Elektronik |
| Conv DC-DC Single Step Down 8V to 55V 8-Pin PDIP Tube | Avnet Silica |
| Buck Regulators Rohs Compliant: No |Stmicroelectronics L4971 | Newark Electronics |
| DC/DC CONV, BUCK, 100KHZ, DIP-8 | Farnell |
Frequently Asked Questions
Where can I find additional details, specifications and documents for a L4971?
Additional datasheets, footprints and schematics for L4971 are listed on our Part Details page. You can also find images and similar parts to L4971 on this page.
What pricing and inventory information can I view?
Distributor pricing and stock information is available for L4971 on our Product Comparison page. Access via the 'View Pricing & Stock' button to view L4971 price breaks, MOQs, lead times, inventory and SKUs from distributors.
What category does L4971 fall under?
The L4971 is listed under Power Management > DC-DC Switching Converters > Buck Regulators.
Can I view similar or alternative parts?
You can view similar parts to L4971 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 L4971 you can contact the distributor directly for product support, shipping queries etc.
Is the L4971 RoHS compliant?
Yes. This part has been flagged as RoHS Compliant by STMicroelectronics.
Which authorised distributors for L4971 have stock available?
Authorised distributors including Future Electronics, RS, Transfer Multisort Elektronik, Avnet Silica and EBV Elektronik have stock available or on a lead time for L4971.
How do I check stock and lead times for all distributors?
Stock availability and lead times will be displayed for L4971 often in real-time on the comparison pages.
What if I can't find stock of L4971?
You can fill out our help required form which you can use to request a quote for L4971 from some of our verified obsolescence suppliers. Alternatively, contact us via our web chat in the bottom left of your screen and one of our team will try to help.