STMicroelectronics · DC-DC Converters

L4973D3.3

STMicroelectronics DC-DC Converters · SO-20-300mil

Request a quote for L4973D3.3

The L4973D3.3 is a DC-DC Converters from STMicroelectronics, supplied in a SO-20-300mil package. It is listed in our DC-DC Converters catalog (Power Management).

Key specifications of the L4973D3.3: frequency - switching 90kHz~300kHz, output current 3.5A, output voltage 3.3V, quiescent current 1mA, operating temperature -40°C~+150°C and function Step-down type.

PartnerSemi sources the L4973D3.3 for production, repair and maintenance buyers worldwide. Send the quantity you need and, optionally, a target price; we reply with price, lead time and available date codes, usually within one business day.

Specifications

Manufacturer part numberL4973D3.3
ManufacturerSTMicroelectronics
Product typeDC-DC Converters
CategoryDC-DC Converters
Package / caseSO-20-300mil
Frequency - Switching90kHz~300kHz
FunctionStep-down type
Number of Outputs1
Operating Temperature-40°C~+150°C
Output Current3.5A
Output TypeFixed
Output Voltage3.3V
Quiescent Current1mA
Switch tube (built-in/external)Built-in
Synchronous RectifierNo
TopologyBuck
Voltage - Supply8V~55V

Specifications are indicative and taken from public catalog data; always verify against the manufacturer's datasheet.

More STMicroelectronics DC-DC Converters

Part numberTypePackageKey specs
L4971 DC-DC Converters DIP-8 300kHz1.5A
L4971D DC-DC Converters SO-16-300mil 300kHz1.5A
L4972A DC-DC Converters DIP-20 200kHz2A
L4972AD DC-DC Converters SO-20-300mil 200kHz2A
L4973D5.1 DC-DC Converters SO-20-300mil 90kHz~300kHz3.5A
L4973V3.3 DC-DC Converters DIP-18 300kHz3.5A
L4973V5.1 DC-DC Converters DIP-18 300kHz3.5A
L4974A DC-DC Converters DIP-20 200kHz3.5A

Frequently asked questions

What is the L4973D3.3?

The L4973D3.3 is a DC-DC Converters from STMicroelectronics, supplied in a SO-20-300mil package. It is listed in our DC-DC Converters catalog (Power Management).

What are the specifications of the L4973D3.3?

Frequency - Switching: 90kHz~300kHz; Function: Step-down type; Number of Outputs: 1; Operating Temperature: -40°C~+150°C; Output Current: 3.5A; Output Type: Fixed; Output Voltage: 3.3V; Quiescent Current: 1mA; Switch tube (built-in/external): Built-in; Synchronous Rectifier: No; Topology: Buck; Voltage - Supply: 8V~55V.

What package is the L4973D3.3 in?

The L4973D3.3 is listed in a SO-20-300mil package.

Which part numbers are similar to the L4973D3.3?

Similar part numbers in our catalog include L4971 (STMicroelectronics), L4971D (STMicroelectronics), L4972A (STMicroelectronics), L4972AD (STMicroelectronics), L4973D5.1 (STMicroelectronics) and L4973V3.3 (STMicroelectronics). Similar numbering does not guarantee compatibility; check the datasheets or ask us to confirm.

How can I buy the L4973D3.3?

Request a quote from PartnerSemi at https://www.partnersemi.com/rfq/?mpn=L4973D3.3&brand=STMicroelectronics or email info@partnersemi.com with the part number and quantity. Price, availability and lead time are confirmed per request; we ship worldwide from the Netherlands.