STMicroelectronics · Power management
L4978
STMicroelectronics Power management · DIP-8
Request a quote for L4978The L4978 is a Power management from STMicroelectronics, supplied in a DIP-8 package. It is listed in our DC-DC Converters catalog (Power Management).
Key specifications of the L4978: frequency - switching 300kHz, output current 2A, output voltage 3.3V~50V, quiescent current 2.5mA, operating temperature -40°C~+150°C@(TJ) and function Step-down type.
PartnerSemi sources the L4978 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 number | L4978 |
|---|---|
| Manufacturer | STMicroelectronics |
| Product type | Power management |
| Category | DC-DC Converters |
| Package / case | DIP-8 |
| Frequency - Switching | 300kHz |
| Function | Step-down type |
| Number of Outputs | 1 |
| Operating Temperature | -40°C~+150°C@(TJ) |
| Output Current | 2A |
| Output Type | Adjustable |
| Output Voltage | 3.3V~50V |
| Quiescent Current | 2.5mA |
| Switch tube (built-in/external) | Built-in |
| Synchronous Rectifier | No |
| Topology | Buck |
| Voltage - Supply | 8V~55V |
Specifications are indicative and taken from public catalog data; always verify against the manufacturer's datasheet.
More STMicroelectronics DC-DC Converters
| Part number | Type | |
|---|---|---|
| L4973V5.1 | DC-DC Converters | |
| L4974A | Power management | |
| L4975A | Power management | |
| L4977A | Power management | |
| L5950 | DC-DC converter | |
| L5956 | DC-DC converter | |
| L5957 | DC-DC converter | |
| L5958 | DC-DC converter |
Frequently asked questions
What is the L4978?
The L4978 is a Power management from STMicroelectronics, supplied in a DIP-8 package. It is listed in our DC-DC Converters catalog (Power Management).
What are the specifications of the L4978?
Frequency - Switching: 300kHz; Function: Step-down type; Number of Outputs: 1; Operating Temperature: -40°C~+150°C@(TJ); Output Current: 2A; Output Type: Adjustable; Output Voltage: 3.3V~50V; Quiescent Current: 2.5mA; Switch tube (built-in/external): Built-in; Synchronous Rectifier: No; Topology: Buck; Voltage - Supply: 8V~55V.
What package is the L4978 in?
The L4978 is listed in a DIP-8 package.
Which part numbers are similar to the L4978?
Similar part numbers in our catalog include L4973V5.1 (STMicroelectronics), L4974A (STMicroelectronics), L4975A (STMicroelectronics), L4977A (STMicroelectronics), L5950 (STMicroelectronics) and L5956 (STMicroelectronics). Similar numbering does not guarantee compatibility; check the datasheets or ask us to confirm.
How can I buy the L4978?
Request a quote from PartnerSemi at https://www.partnersemi.com/rfq/?mpn=L4978&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.