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L4978

L4978
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For Reference Only

Part Number L4978
OEMstron Part # L4978
Manufacturer STMicroelectronics
Category SemiconductorsPower Management ICsVoltage Regulators - DC DC Switching Regulators
Description IC REG BUCK ADJUSTABLE 2A 8DIP
Lifecycle Active
RoHS No RoHS Information
EDA/CAD Models L4978 PCB Footprint and Symbol
Warehouses USA, Europe, China, Hong Kong SAR
Estimated Delivery Nov 24 - Nov 29 (Choose Expedited Shipping)
Warranty Up to 1 year [Limited-Warranty]*
Payment Wire Transfer, UnionPay, PayPal, Credit Card, Visa, MasterCard, AmericanExpress, Discover, WesternUnion, MoneyGram
Shipping DHL, UPS, FedEx, TNT, EMS, & More Express Delivery

L4978 Specifications

Part Number L4978
Brand STMicroelectronics
Lifecycle Active
RoHS No RoHS Information
Product Line Semiconductors
Category Power Management ICs
Subcategory Voltage Regulators - DC DC Switching Regulators
Manufacturer STMicroelectronics
Series -
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 8V
Voltage - Input (Max) 55V
Voltage - Output (Min/Fixed) 3.3V
Voltage - Output (Max) 50V
Current - Output 2A
Frequency - Switching 100kHz ~ 300kHz
Synchronous Rectifier No
Operating Temperature -40°C ~ 150°C (TJ)
Mounting Type Through Hole
Package / Case 8-DIP (0.300", 7.62mm)
Supplier Device Package 8-DIP

L4978 Documents

L4978, L4978 Datasheet (Total Pages: 13, Size: 578.46 KB)
E-L4978D Datasheet CoverE-L4978D Datasheet Page 2E-L4978D Datasheet Page 3E-L4978D Datasheet Page 4E-L4978D Datasheet Page 5E-L4978D Datasheet Page 6E-L4978D Datasheet Page 7E-L4978D Datasheet Page 8E-L4978D Datasheet Page 9E-L4978D Datasheet Page 10E-L4978D Datasheet Page 11E-L4978D Datasheet Page 12E-L4978D Datasheet Page 13
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Part Number Description Stock

L4978D013TR

D# V72:2272_17703593

STMicroelectronics

Conv DC-DC 8V to 55V Step Down Single-Out 3.3V to 50V 2A 16-Pin SO W T/R

RoHS: Compliant
Americas - 20

L4978D

D# E02:0323_00207106

STMicroelectronics

Conv DC-DC 8V to 55V Step Down Single-Out 3.3V to 50V 2A 16-Pin SO W Tube

RoHS: Not Compliant
Europe - 980

L4978

D# E02:0323_00207105

STMicroelectronics

Conv DC-DC 8V to 55V Step Down Single-Out 3.3V to 50V 2A 8-Pin PDIP Tube

RoHS: Compliant
Europe - 6485
Part Number Description Stock

CL4978-000

D# CL4978-000

TE Connectivity

D-500-0456-2-613-240 - Bulk (Alt: CL4978-000)

RoHS: Compliant
Americas - 0

L4978D013TR

D# L4978D013TR

STMicroelectronics

Conv DC-DC Single Step Down 8V to 55V 16-Pin SO W T/R - Tape and Reel (Alt: L4978D013TR)

Americas - 0

L4978D

D# 25M9043

STMicroelectronics

Conv DC-DC Single Step Down 8V to 55V 16-Pin SO W - Product that comes on tape, but is not reeled (Alt: 25M9043)

RoHS: Not Compliant
Americas - 116

EVAL4971

D# EVAL4971

STMicroelectronics

Evaluation Board For Designing With L4971, 1.5A High Efficiency DC-DC Converter (Alt: EVAL4971)

RoHS: Not Compliant
Americas - 0

L4978

D# 25M9042

STMicroelectronics

Conv DC-DC Single Step Down 8V to 55V 8-Pin PDIP - Bulk (Alt: 25M9042)

Americas - 53
Part Number Description Stock

L4978D013TR

D# L4978D013TR

STMicroelectronics

Conv DC-DC Single Step Down 8V to 55V 16-Pin SO W T/R (Alt: L4978D013TR)

Asia - 0

L4978

D# L4978

STMicroelectronics

Conv DC-DC Single Step Down 8V to 55V 8-Pin PDIP (Alt: L4978)

Asia - 0
Part Number Description Stock

CL4978-000

D# CL4978-000

TE Connectivity

D-500-0456-2-613-240 (Alt: CL4978-000)

RoHS: Compliant
Europe - 0

L4978D013TR

D# L4978D013TR

STMicroelectronics

Conv DC-DC Single Step Down 8V to 55V 16-Pin SO W T/R (Alt: L4978D013TR)

Europe - 0

L4978D

D# L4978D

STMicroelectronics

Conv DC-DC Single Step Down 8V to 55V 16-Pin SO W (Alt: L4978D)

Europe - 561

L4978

D# L4978

STMicroelectronics

Conv DC-DC Single Step Down 8V to 55V 8-Pin PDIP (Alt: L4978)

Europe - 0
Part Number Description Stock

L4978D

STMicroelectronics

122

L4978

STMicroelectronics

425
Part Number Description Stock

L4978D013TR

STMicroelectronics

Conv DC-DC Single Step Down 8V to 55V 16-Pin SO W T/R

1000

L4978D

STMicroelectronics

Min Qty 45

3969

EVAL4971

STMicroelectronics

Evaluation Board For Designing With L4971, 1.5A High Efficiency DC-DC Converter

25

L4978

STMicroelectronics

Min Qty 45

2100

E-L4978D

STMicroelectronics

IC REG BUCK ADJ 2A 16SOIC

Contact Us
Part Number Description Stock

L4978D

D# C1S730200488084

STMicroelectronics

Conv DC-DC 8V to 55V Step Down Single-Out 3.3V to 50V 2A 16-Pin SO W Tube

RoHS: Compliant
pbFree: Yes
Min Qty: 1
Container: Tube
24
Part Number Description Stock

L4978D013TR

STMicroelectronics

SO-16 PMIC - Power Distribution Switches RoHS

1476

L4978D

STMicroelectronics

55V 2A SOIC-16_300mil DC-DC Converters RoHS

1117

L4978

STMicroelectronics

55V 2A DIP-8 DC-DC Converters RoHS

45
Part Number Description Stock

L4978D013TR

STMicroelectronics

RoHS: Compliant
Europe - 1000

L4978D

STMicroelectronics

RoHS: Compliant
Europe - 34
Part Number Description Stock

D-500-0456-2-613-240

D# D-500-0456-2-613-240-ND

TE Connectivity

IN LINE COUPLERS

Temporarily Out of Stock

L4978D013TR

D# 497-4559-2-ND

STMicroelectronics

IC REG BUCK ADJUSTABLE 2A 16SO

2000 In Stock

83009 002500

D# BEL4978-500-ND

Belden Inc

HOOK-UP STRND 18AWG RED 500'

Temporarily Out of Stock

L4978D

D# 497-5794-5-ND

STMicroelectronics

IC REG BUCK ADJUSTABLE 2A 16SOIC

17 In Stock

EVAL4971

D# 497-4744-ND

STMicroelectronics

BOARD EVAL FOR L4971/L4978 REG

Limited Supply - Call

L4978

D# 497-6701-5-ND

STMicroelectronics

IC REG BUCK ADJUSTABLE 2A 8DIP

782 In Stock

E-L4978D

D# E-L4978D-ND

STMicroelectronics

IC REG BUCK ADJUSTABLE 2A 16SO

Limited Supply - Call
Part Number Description Stock

L4978D013TR

STMicroelectronics

In stock shipping within 2days

9260

L4978D

STMicroelectronics

In stock shipping within 2days

170

L4978

STMicroelectronics

In stock shipping within 2days

15218
Part Number Description Stock

L4978D013TR

D# 2473955

STMicroelectronics

IC, SWITCHING REG, BUCK, ADJ, SOIC-16

RoHS: Compliant
Min Qty: 1000
Container: Reel
0

L4978D

D# 1077139

STMicroelectronics

IC, BUCK REG, SMD, 4978, SOIC16

RoHS: Compliant
Min Qty: 1
Container: Cut Tape
515

L4978

D# 1077138

STMicroelectronics

IC, BUCK REG, 4978, DIP8

RoHS: Compliant
Min Qty: 1
Container: Each
743
Part Number Description Stock

L4978D013TR

STMicroelectronics

L4978 Series 55 V 110 kHz 2 A SMT Step Down Swithing Regulator - SOIC-16

RoHS: Compliant
pbFree: Yes
0 Reel

L4978D

STMicroelectronics

L4978 Series 55 V 220 uA 300 kHz Buck Through Hole Switching Regulator - SOIC-16

RoHS: Compliant
pbFree: Yes
0 Tube

L4978

STMicroelectronics

PDIP 08 .3 CU .25 AU W.

RoHS: Compliant
pbFree: Yes
295 Tube
Part Number Description Stock

L4978D013TR

STMicroelectronics

OEM/CM QUOTES ONLY | NO BROKERS

10440

ICL4978D

SGS Semiconductor Ltd

OEM/CM QUOTES ONLY | NO BROKERS

187

L4978D

STMicroelectronics

OEM/CM QUOTES ONLY | NO BROKERS

23200

EL4978D013

OEM/CM QUOTES ONLY | NO BROKERS

903

EL4978D

STMicroelectronics

OEM/CM QUOTES ONLY | NO BROKERS

1409

L4978

STMicroelectronics

OEM/CM QUOTES ONLY | NO BROKERS

6380

L4978DHD10LF

STMicroelectronics

OEM/CM QUOTES ONLY | NO BROKERS

1421

L4978D013

OEM/CM QUOTES ONLY | NO BROKERS

911

EL4978D013TR

OEM/CM QUOTES ONLY | NO BROKERS

903
Part Number Description Stock

L4978D

Texas Instruments

OEM/CM ONLY

224

L4978

Maxim Integrated Products

OEM/CM ONLY

3712
Part Number Description Stock

L4978D013TR

D# C424083

STMicroelectronics

1476

L4978D

D# C93521

STMicroelectronics

1115

L4978

D# C53329

STMicroelectronics

45
Part Number Description Stock

CL4978-000

TE Connectivity

D-500-0456-2-613-240

RoHS: Compliant
0
Part Number Description Stock

L4978D013TR

STMicroelectronics

OEM/CM Immediate delivery

30000

L4978D

STMicroelectronics

OEM/CM Immediate delivery

30000

L4978

STMicroelectronics

OEM/CM Immediate delivery

30000
Part Number Description Stock

L4978D013TR

D# 511-L4978D013TR

STMicroelectronics

Switching Voltage Regulators 3.3 to 50V Step-Down

RoHS: Compliant
627

L4978D

D# 511-L4978D

STMicroelectronics

Switching Voltage Regulators 3.3 to 50V Step-Down

RoHS: Compliant
1926

L4978

D# 511-L4978

STMicroelectronics

Switching Voltage Regulators 3.3 to 50V Step-Down

RoHS: Compliant
461
Part Number Description Stock

L4978

D# XSFP00000051558

STMicroelectronics

L4978 Series 55 V 220 uA 300 kHz Buck Through Hole Switching Regulator - DIP-8

159
Part Number Description Stock

L4978D013TR

D# 56P8361

STMicroelectronics

POWER MANAGEMENT

RoHS: Not Compliant
Min Qty: 1000
Container: TAPE & REEL - FULL
0

L4978D

D# 25M9043

STMicroelectronics

DC/DC CONV, BUCK, 300KHZ, 150DEG C, Topology:Buck (Step Down), Input Voltage Min:8V, Input Voltage Max:55V, No. of Outputs:1Outputs, DC / DC Converter IC Case:SOIC, No. of Pins:16Pins, Output Current:2A, Output Voltage Min:3.3V RoHS Compliant: Yes

RoHS: Compliant
Min Qty: 1
Container: Cut Tape
116

L4978

D# 25M9042

STMicroelectronics

DC/DC CONV, BUCK, 300KHZ, 150DEG C, Topology:Buck (Step Down), Input Voltage Min:8V, Input Voltage Max:55V, No. of Outputs:1Outputs, DC / DC Converter IC Case:DIP, No. of Pins:8Pins, Output Current:2A, Output Voltage Min:3.3V RoHS Compliant: Yes

RoHS: Compliant
Min Qty: 1
Container: Bulk
53
Part Number Description Stock

L4978D013TR

D# NS-L4978D013TR

STMicroelectronics

OEM/CM ONLY

5032

L4978D

D# NS-L4978D

STMicroelectronics

OEM/CM ONLY

7495

L4978

D# NS-L4978

Generic

OEM/CM ONLY

2627
Part Number Description Stock

CL4978-000

TE Connectivity

Two Stub In-Line DataBus Micro Coupler 04 Series Reverse

RoHS: Compliant
0
Part Number Description Stock

L4978D013TR

STMicroelectronics

262

L4978D

STMicroelectronics

SWITCHING REGULATOR, VOLTAGE-MODE, 3.5A, 300KHZ SWITCHING FREQ-MAX, BCDMOS, PDSO16

43

L4978

STMicroelectronics

SWITCHING REGULATOR, VOLTAGE-MODE, 3.5A, 300KHZ SWITCHING FREQ-MAX, BCDMOS, PDIP8

41
Part Number Description Stock

L4978D

D# L4978D

SGS Semiconductor Ltd

Semiconductor

100
Part Number Description Stock

L4978D

D# 6868237P

STMicroelectronics

STMicroelectronics, L4978D Step-Down Switching Regulator, 1-Channel 2A Adjustable 16-Pin, SOIC W, TU

Min Qty: 1
Container: Tube
1204
Part Number Description Stock

CL4978-000

D# 000000000003482365

TE Connectivity

D-500-0456-2-613-240

0
Part Number Description Stock

L4978D013TR

STMicroelectronics

OEM/CM ONLY

3178

ICL4978D

SGS Semiconductor Ltd

OEM/CM ONLY

177

L4978D

STMicroelectronics

OEM/CM ONLY

6637

EL4978D013

OEM/CM ONLY

801

EL4978D

STMicroelectronics

OEM/CM ONLY

1241

L4978

STMicroelectronics

OEM/CM ONLY

11902

L4978DHD10LF

STMicroelectronics

OEM/CM ONLY

1241

L4978D013

OEM/CM ONLY

801

EL4978D013TR

STMicroelectronics

OEM/CM ONLY

801
Part Number Description Stock

L4978D013TR

STMicroelectronics

IN stock Immediate delivery

29985

L4978D

STMicroelectronics

IN stock Immediate delivery

29985

L4978

STMicroelectronics

IN stock Immediate delivery

29985
Part Number Description Stock

L4978D013TR

Renesas Electronics Corporation

shipping today

902

L4978D

STMicroelectronics

shipping today

4756

L4978

STMicroelectronics

shipping today

5265
Part Number Description Stock

L4978D013TR

D# 34759231

STMicroelectronics

Conv DC-DC 8V to 55V Step Down Single-Out 3.3V to 50V 2A 16-Pin SO W T/R

RoHS: Compliant
Americas - 20

L4978D

D# 52844648

STMicroelectronics

Conv DC-DC 8V to 55V Step Down Single-Out 3.3V to 50V 2A 16-Pin SO W Tube

RoHS: Not Compliant
Americas - 980

L4978

D# 53028176

STMicroelectronics

Conv DC-DC 8V to 55V Step Down Single-Out 3.3V to 50V 2A 8-Pin PDIP Tube

RoHS: Compliant
Americas - 6485
Part Number Description Stock

L4978D013TR

mfr

RFQ

1973

E-L4978

STMicroelectronics

RFQ

2115

L4978D

STMicroelectronics

RFQ

1688

L4978

STMicroelectronics

RFQ

10665
Part Number Description Stock

L4978D013TR

STMicroelectronics

IC REG BUCK ADJ 2A 16SOIC

870

L4978D

STMicroelectronics

IC REG BUCK ADJ 2A 16SOIC

900

L4978

STMicroelectronics

IC REG BUCK ADJ 2A 8DIP

870
Part Number Description Stock

L4978D013TR

D# 2473955

STMicroelectronics

IC, SWITCHING REG, BUCK, ADJ, SOIC-16

RoHS: Compliant
Min Qty: 1000
Container: Reel
0

L4978D

D# 1077139

STMicroelectronics

IC, BUCK REG, SMD, 4978, SOIC16

RoHS: Compliant
Min Qty: 1
Container: Cut Tape
515

L4978

D# 1077138

STMicroelectronics

IC, BUCK REG, 4978, DIP8

RoHS: Compliant
Min Qty: 1
Container: Each
696

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In Stock1,853 - More on Order
Quote LimitNo Limit
Lead-TimeCan Ship Immediately
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Pricing (USD)

Qty.Unit PriceExt. Price
1$ 4.7594$ 4.7594
100$ 4.7594$ 475.9400
500$ 4.7594$ 2,379.7000
1000$ 4.7594$ 4,759.4000
2500$ 4.7594$ 11,898.5000

OEMstron will offer the most competitive prices for you, please refer to the quotations.

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