Status: | Active |
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Series: | L4973 |
RoHS: | Compliant |
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 |
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DS0169 3.5 A step down switching regulator |
Technical Notes & Articles |
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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 |
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Electric vehicle (EV) ecosystem |
DC/DC CONV, BUCK, 100KHZ, SOIC-20 | element14 |
Switching Reg,3.5A,8-55Vin,3.3V,L4972AD | RS |
Dc-Dc Switching Buck (Step Down) Regulator, Adjustable, 8V-55Vin, 500Mv-50Vout, 3.5Aout, Soic-20 Rohs Compliant: Yes |Stmicroelectronics L4973D3.3 | Newark Electronics |
L4973 Series 3.5 A Step Down Monolithic Power Switching Regulator - SOIC-20 | Future Electronics |
Where can I find additional details, specifications and documents for a L4973D3.3?
Additional datasheets, footprints and schematics for L4973D3.3 are listed on our Part Details page. You can also find images and similar parts to L4973D3.3 on this page.
What pricing and inventory information can I view?
Distributor pricing and stock information is available for L4973D3.3 on our Product Comparison page. Access via the 'View Pricing & Stock' button to view L4973D3.3 price breaks, MOQs, lead times, inventory and SKUs from distributors.
What category does L4973D3.3 fall under?
The L4973D3.3 is listed under Power Management > DC-DC Switching Converters > Buck Regulators.
Can I view similar or alternative parts?
You can view similar parts to L4973D3.3 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 L4973D3.3 you can contact the distributor directly for product support, shipping queries etc.
Is the L4973D3.3 RoHS compliant?
Yes. This part has been flagged as RoHS Compliant by STMicroelectronics.
Which authorised distributors for L4973D3.3 have stock available?
Authorised distributors including element14, Farnell, RS, Newark Electronics and Future Electronics have stock available or on a lead time for L4973D3.3.
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