Inhibit for zero current consumption (100mA at VCC= 24V) |
Input/output synchronization function |
Thermal shutdown |
Protection against feedback disconnection |
Soft start function |
Output over voltage protection |
Internal current limiting (pulse by pulse and HICCUP mode) |
Zero load current operation (min 1mA) |
Up to 3.5A step down converter |
3.3V and 5.1V (±1%) fixed output, and adjustable outputs from: 0.5V to 50V (3.3 type)5.1V to 50V (5.1 type) |
Operating input voltage from 8V to 55V |
Voltage feed forward |
Precise 5.1V (1.5%) reference voltage externally available |
Frequency adjustable up to 300kHz |
Product Specifications |
---|
DS0169 3.5 A step down switching regulator |
Technical Notes & Articles |
---|
TN1224 Mounting instructions for SMD (surface mounting device) packages |
Design Notes & Tips |
---|
DN0011 ST1S03 alternative topology: Using a buck in a negative buck-boost configuration |
Brochures |
---|
Electric vehicle (EV) ecosystem |
DC/DC CONV, BUCK, 100KHZ, SOIC-20 | Farnell |
SwitchingReg,3.5A,8-55Vin,5.1V,L4973D5.1 | RS |
L4973 Series 5.1 V 3.5 A Surface Mount Step Down Switching Regulator - SOIC-20 | Future Electronics |
Dc-Dc Switching Buck (Step Down) Regulator, Adjustable, 8V-55Vin, 5.1V-50Vout, 3.5Aout, Soic-20 Rohs Compliant: Yes |Stmicroelectronics L4973D5.1 | Newark Electronics |
Where can I find additional details, specifications and documents for a L4973D5.1?
Additional datasheets, footprints and schematics for L4973D5.1 are listed on our Part Details page. You can also find images and similar parts to L4973D5.1 on this page.
What pricing and inventory information can I view?
Distributor pricing and stock information is available for L4973D5.1 on our Product Comparison page. Access via the 'View Pricing & Stock' button to view L4973D5.1 price breaks, MOQs, lead times, inventory and SKUs from distributors.
What category does L4973D5.1 fall under?
The L4973D5.1 is listed under Power Management > DC-DC Switching Converters > Buck Regulators.
Can I view similar or alternative parts?
You can view similar parts to L4973D5.1 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 L4973D5.1 you can contact the distributor directly for product support, shipping queries etc.
Is the L4973D5.1 RoHS compliant?
Yes. This part has been flagged as RoHS Compliant by STMicroelectronics.
Which authorised distributors for L4973D5.1 have stock available?
Authorised distributors including Farnell, RS, Future Electronics, element14 and Newark Electronics have stock available or on a lead time for L4973D5.1.
How do I check stock and lead times for all distributors?
Stock availability and lead times will be displayed for L4973D5.1 often in real-time on the comparison pages.
What if I can't find stock of L4973D5.1?
You can fill out our help required form which you can use to request a quote for L4973D5.1 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.