Loading...

L4978D

STMicroelectronics

L4978D by STMicroelectronics

L4978D by STMicroelectronics is a 16-terminal switching regulator with a max output current of 3.5A and BCDMOS technology. It operates in buck configuration at a max switching frequency of 300kHz, suitable for voltage-mode control applications. The IC has a small outline package style and is designed for use in various power management systems.

Median Price

$3.930

Lifecycle Status

Suppliers In-Stock

25

In-Stock Inventory

1k+

Distributors (Authorized)

Supplier In-Stock 1+ parts 100+ parts 1k+ parts 10k+ parts

DigiKey

USA . 573 parts In-Stock

1+ parts

$3.870

100+ parts

$2.549

1k+ parts

$2.221

10k+ parts

$2.101

573

$3.870

$2.549

$2.221

$2.101

Mouser Electronics

USA . 1,138 parts In-Stock

1+ parts

$3.990

100+ parts

$2.350

1k+ parts

$2.290

10k+ parts

$2.100

1,138

$3.990

$2.350

$2.290

$2.100

Newark

USA . 1,087 parts In-Stock

1+ parts

$3.990

100+ parts

$2.800

1k+ parts

$2.330

10k+ parts

-

1,087

$3.990

$2.800

$2.330

-

Element14

Singapore . 1,599 parts In-Stock

1+ parts

$4.112

100+ parts

$2.734

1k+ parts

$2.260

10k+ parts

-

1,599

$4.112

$2.734

$2.260

-

Adafruit Industries

USA . 5,000 parts In-Stock

1+ parts

$17.827

100+ parts

$16.223

1k+ parts

$14.618

10k+ parts

-

5,000

$17.827

$16.223

$14.618

-

Avnet

USA . 5,586 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

5,586

-

-

-

-

Farnell

UK . 1,436 parts In-Stock

1+ parts

-

100+ parts

$1.720

1k+ parts

$1.680

10k+ parts

-

1,436

-

$1.720

$1.680

-

RS (Exports)

UK . 1,180 parts In-Stock

1+ parts

-

100+ parts

$1.812

1k+ parts

$2.082

10k+ parts

-

1,180

-

$1.812

$2.082

-

EBV Elektronik

Germany . 441 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

441

-

-

-

-

Verical

USA . 66 parts In-Stock

1+ parts

-

100+ parts

$1.885

1k+ parts

-

10k+ parts

-

66

-

$1.885

-

-

Distributors (In-Stock)

Supplier In-Stock 1+ parts 100+ parts 1k+ parts 10k+ parts

DF Sales Co.

USA . 198 parts In-Stock

1+ parts

$1.400

100+ parts

-

1k+ parts

-

10k+ parts

-

198

$1.400

-

-

-

DF Sales Co.

USA . 198 parts In-Stock

1+ parts

$1.400

100+ parts

-

1k+ parts

-

10k+ parts

-

198

$1.400

-

-

-

Nova Conductors

Japan . 98 parts In-Stock

1+ parts

$2.650

100+ parts

-

1k+ parts

-

10k+ parts

-

98

$2.650

-

-

-

Digiode

USA . 1,875 parts In-Stock

1+ parts

$2.755

100+ parts

-

1k+ parts

-

10k+ parts

-

1,875

$2.755

-

-

-

TME

Poland . 58 parts In-Stock

1+ parts

$3.650

100+ parts

$2.730

1k+ parts

-

10k+ parts

-

58

$3.650

$2.730

-

-

Anansix

USA . 2,317 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

2,317

-

-

-

-

Vyrian

USA . 1,383 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

1,383

-

-

-

-

Bristol Electronics

USA . 785 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

785

-

-

-

-

Holdelec - ElecDif-Pro

France . 252 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

252

-

-

-

-

Zilex Electronics Inc.

Canada . 200 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

200

-

-

-

-

R&J Components

USA . 100 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

100

-

-

-

-

ComSIT Distribution GmbH

Germany . 34 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

34

-

-

-

-

Cogito LLC

Ukraine . 16 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

16

-

-

-

-

Prism Electronics

USA . 9 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

9

-

-

-

-

Cyclops Electronics Ltd

UK . 9 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

9

-

-

-

-

Distributors (Availability)

Supplier In-Stock 1+ parts 100+ parts 1k+ parts 10k+ parts

Ampacity Inc.

Singapore . 1,886 parts In-Stock

1+ parts

$1.570

100+ parts

-

1k+ parts

-

10k+ parts

-

1,886

$1.570

-

-

-

Corphita

USA . 1,536 parts In-Stock

1+ parts

$2.610

100+ parts

-

1k+ parts

-

10k+ parts

-

1,536

$2.610

-

-

-

Argo Parts USA

USA . 2,468 parts In-Stock

1+ parts

$2.650

100+ parts

-

1k+ parts

-

10k+ parts

-

2,468

$2.650

-

-

-

Vigor

Singapore . 1,875 parts In-Stock

1+ parts

$3.410

100+ parts

-

1k+ parts

-

10k+ parts

-

1,875

$3.410

-

-

-

Continental Prestige Electronics

USA . 1,772 parts In-Stock

1+ parts

$4.270

100+ parts

$2.420

1k+ parts

$2.020

10k+ parts

-

1,772

$4.270

$2.420

$2.020

-

Corohmni

South Africa . 29 parts In-Stock

1+ parts

$5.132

100+ parts

-

1k+ parts

-

10k+ parts

-

29

$5.132

-

-

-

IDEA Electronic Components Group

UK . 1,602 parts In-Stock

1+ parts

$9.861

100+ parts

-

1k+ parts

$8.875

10k+ parts

-

1,602

$9.861

-

$8.875

-

Aztec Data Supply Inc.

USA . 747 parts In-Stock

1+ parts

$16.571

100+ parts

-

1k+ parts

-

10k+ parts

-

747

$16.571

-

-

-

Advanced Electronics

New Zealand . 5,000 parts In-Stock

1+ parts

$17.827

100+ parts

$16.223

1k+ parts

$14.618

10k+ parts

-

5,000

$17.827

$16.223

$14.618

-

MKK Technologies

India . 1,926 parts In-Stock

1+ parts

$18.544

100+ parts

-

1k+ parts

-

10k+ parts

-

1,926

$18.544

-

-

-

DigiPath Technology Company

USA . 1,926 parts In-Stock

1+ parts

$18.544

100+ parts

-

1k+ parts

-

10k+ parts

-

1,926

$18.544

-

-

-

Kepictronics

USA . 18,375 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

18,375

-

-

-

-

Lixinc

USA . 17,936 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

17,936

-

-

-

-

Alle Elektronik GmbH

Germany . 4,709 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

4,709

-

-

-

-

A-Z Elektronik GmbH

Germany . 3,750 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

3,750

-

-

-

-

Eastek

USA . 2,793 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

2,793

-

-

-

-

Netroflash

USA . 2,000 parts In-Stock

1+ parts

-

100+ parts

$2.597

1k+ parts

$2.518

10k+ parts

$2.465

2,000

-

$2.597

$2.518

$2.465

GreenTree Electronics

Israel . 1,813 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

1,813

-

-

-

-

Perfect Parts

USA . 1,586 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

1,586

-

-

-

-

Parana Technologies

USA . 541 parts In-Stock

1+ parts

-

100+ parts

$11.791

1k+ parts

-

10k+ parts

-

541

-

$11.791

-

-

iodParts Technologies Inc.

India . 123 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

123

-

-

-

-

Cyclops Electronics Ltd (Excess)

UK . 117 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

117

-

-

-

-

Assy Fe

Spain . 48 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

48

-

-

-

-

Overview

Unlock the potential of your power management system with the L4978D from STMicroelectronics. Crafted with precision and expertise, this switching regulator offers a seamless blend of quality and performance. Ideal for a range of applications in switching regulators & controllers, this compact device boasts a voltage-mode control mode and a buck switcher config. Experience unparalleled efficiency and reliability with a nominal output voltage of 3.36V and a maximum output current of 3.5A. Trust STMicroelectronics to deliver cutting-edge technology that exceeds expectations.

Feature Benefit Bullets

Package Body Material: PLASTIC/EPOXY

Provides durability and protection for the internal components of the switching regulator, ensuring long-term reliability.

Surface Mount: YES

Allows for easy and efficient assembly onto circuit boards, saving time and cost during manufacturing.

No. of Terminals: 16

Provides ample connectivity options for various input and output connections, making it versatile for different applications.

Control Mode: VOLTAGE-MODE

Voltage-mode control offers precise regulation of output voltage, leading to stable and consistent performance.

Maximum Switching Frequency: 300 kHz

High switching frequency allows for efficient power conversion with minimal loss, improving overall energy efficiency.

Nominal Input Voltage: 24 V

Suitable for applications requiring a 24V input, providing compatibility with a wide range of power sources.

Maximum Output Current: 3.5 A

Capable of delivering high output current, making it suitable for powering a variety of electronics and devices.

Technology: BCDMOS

Utilizes BCDMOS technology for high efficiency and low power consumption, making it ideal for energy-efficient applications.

Minimum Input Voltage: 8 V

Supports a low minimum input voltage, allowing for operation in applications with varying power sources.

Nominal Output Voltage: 3.36 V

Provides a stable and precise output voltage, suitable for powering sensitive electronic components.

Technical Specifications

Switching Regulators & Controllers L4978D attributes and parameters. Explore more Switching Regulators & Controllers devices from STMicroelectronics

Specs

Other IC type:

Control Mode:

VOLTAGE-MODE

Control Technique:

PULSE WIDTH MODULATION

Maximum Input Voltage:

55 V

Minimum Input Voltage:

8 V

Nominal Input Voltage:

24 V

JESD-30 Code:

R-PDSO-G16

JESD-609 Code:

e4

Length:

10.3 mm

Moisture Sensitivity Level (MSL):

3

No. of Functions:

1

No. of Terminals:

16

Maximum Output Current:

3.5 A

Nominal Output Voltage:

3.36 V

Package Body Material:

PLASTIC/EPOXY

Package Code:

SOP

Package Equivalence Code:

SOP16,.4

Package Shape:

Package Style (Meter):

SMALL OUTLINE

Peak Reflow Temperature (C):

250

Qualification:

Not Qualified

Maximum Seated Height:

2.65 mm

Sub-Category:

Switching Regulator or Controllers

Maximum Supply Current (Isup):

6 mA

Surface Mount:

YES

Switcher Config:

BUCK

Maximum Switching Frequency:

300 kHz

Technology:

BCDMOS

Terminal Finish:

Nickel/Palladium/Gold (Ni/Pd/Au)

Terminal Form:

GULL WING

Terminal Pitch:

1.27 mm

Terminal Position:

DUAL

Maximum Time At Peak Reflow Temperature (s):

30

Width (mm):

7.5 mm

Trade Compliance

L4978D Other Function Semiconductors trade compliance attributes, and parameters.

ECCN

EAR99

ECCN Governance

EAR

HTS

8542.39.00.01

SB

8542.39.00.00

Manufacturer Highlights

STMicroelectronics

STMicroelectronics is a global leader in the semiconductor manufacturing industry, with over 35 years of experience providing innovative and advanced technologies for customers around the world. Headquartered in Netherlands, STMicroelectronics has more than 51,323 employees worldwide and operates across 32 countries all over Europe, Asia-Pacific and the Americas. The company’s portfolio includes integrated circuits, discrete components, application-specific standard products, and computer chipsets. STMicroelectronics serves a wide range of industries such as automotive, consumer markets, healthcare and industrial applications.

Management team

President, CEO

Jean-Marc Chery

President, CFO, Finance, Purchasing,Enterprise Risk Management & Resilience

Lorenzo Grandi

President, Sales & Marketing

Jerome Roux

Manufacturer fab locations 33

Fab name Location Fab Initiation Wafer Capacity

Castelletto

Fabrication

Fab Initiation

1968

Italy

Castelletto

Wafer Capacity

1968

SGFAB AMK 6

Fabrication

Fab Initiation

2000

Singapore

Singapore

Wafer Capacity

29,000

2000

29,000

AG200

Fabrication

Fab Initiation

2000

Italy

Agrate Brianza

Wafer Capacity

14,000

2000

14,000

RST 8

Fabrication

Fab Initiation

2000

France

Rousset

Wafer Capacity

35,000

2000

35,000

Crolles 1

Fabrication

Fab Initiation

1993

France

Crolles

Wafer Capacity

30,000

1993

30,000

Crolles 2-ext. mod 5

Fabrication

Fab Initiation

-

France

Crolles

Wafer Capacity

-

Crolles 2-ext. mod 2

Fabrication

Fab Initiation

2022

France

Crolles

Wafer Capacity

2022

Crolles 2-ext. mod 3

Fabrication

Fab Initiation

2023

France

Crolles

Wafer Capacity

2023

Crolles 2

Fabrication

Fab Initiation

2004

France

Crolles

Wafer Capacity

28,000

2004

28,000

AG200

Fabrication

Fab Initiation

1985

Italy

Agrate Brianza

Wafer Capacity

14,000

1985

14,000

SiC Fab

Fabrication

Fab Initiation

2006

Sweden

Norrköping

Wafer Capacity

10,000

2006

10,000

Fab 3

Fabrication

Fab Initiation

2005

France

Tours

Wafer Capacity

2,000

2005

2,000

Fab 1 & Fab 2

Fabrication

Fab Initiation

1978

France

Tours

Wafer Capacity

55,000

1978

55,000

Fab 2

Fabrication

Fab Initiation

1997

Italy

Catania

Wafer Capacity

30,000

1997

30,000

SGFAB-AMK 6E

Fabrication

Fab Initiation

2003

Singapore

Singapore

Wafer Capacity

145,000

2003

145,000

SGFAB-AMJ 9

Fabrication

Fab Initiation

1984

Singapore

Singapore

Wafer Capacity

152,000

1984

152,000

AG300 (R3)

Fabrication

Fab Initiation

2022

Italy

Agrate Brianza

Wafer Capacity

2022

Fab 2

Fabrication

Fab Initiation

1980

Italy

Catania

Wafer Capacity

25,000

1980

25,000

AG200

Fabrication

Fab Initiation

1987

Italy

Agrate Brianza

Wafer Capacity

34,000

1987

34,000

AG300

Fabrication

Fab Initiation

2024

Italy

Agrate Brianza

Wafer Capacity

2024

Crolles 2-ext. mod 1

Fabrication

Fab Initiation

2020

France

Crolles

Wafer Capacity

2,000

2020

2,000

Fab 1 6-inch fab

Fabrication

Fab Initiation

2013

Italy

Catania

Wafer Capacity

11,000

2013

11,000

SiC 6-inch line

Fabrication

Fab Initiation

2021

Singapore

Singapore

Wafer Capacity

2021

Fab 1 6-inch fab

Fabrication

Fab Initiation

2020

Italy

Catania

Wafer Capacity

2,500

2020

2,500

200mm GaN

Fabrication

Fab Initiation

2021

France

Tours

Wafer Capacity

2,500

2021

2,500

Fab 2

Fabrication

Fab Initiation

2018

Italy

Catania

Wafer Capacity

14,000

2018

14,000

SGFAB-AMK 8

Fabrication

Fab Initiation

2001

Singapore

Singapore

Wafer Capacity

30,000

2001

30,000

Crolles 2- JV Fab

Fabrication

Fab Initiation

2024

France

Crolles

Wafer Capacity

2024

SGFAB-AMK 6

Fabrication

Fab Initiation

2016

Singapore

Singapore

Wafer Capacity

38,125

2016

38,125

SGFAB-AMK 2E

Fabrication

Fab Initiation

2010

Singapore

Singapore

Wafer Capacity

20,000

2010

20,000

Silicon Carbide A.B.

Fabrication

Fab Initiation

2021

Sweden

Norrköping

Wafer Capacity

2021

SiC wafer/EPI Fab

Fabrication

Fab Initiation

2023

Italy

Catania

Wafer Capacity

2023

SiC Device Fab

Fabrication

Fab Initiation

2025

Italy

Catania

Wafer Capacity

2025

Category top products 20

Authentic purchasing experiences

Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.

Similar products 19