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L4973D3.3

L4973D3.3
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For Reference Only

Part Number L4973D3.3
OEMstron Part # L4973D3-3
Manufacturer STMicroelectronics
Category SemiconductorsPower Management ICsVoltage Regulators - DC DC Switching Regulators
Description IC REG BUCK ADJ/3.3V 3.5A 20SO
Lifecycle Active
RoHS No RoHS Information
EDA/CAD Models L4973D3.3 PCB Footprint and Symbol
Warehouses USA, Europe, China, Hong Kong SAR
Estimated Delivery Apr 29 - May 4 (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

L4973D3.3 Specifications

Part Number L4973D3.3
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 (Fixed)
Number of Outputs 1
Voltage - Input (Min) 8V
Voltage - Input (Max) 55V
Voltage - Output (Min/Fixed) 0.5V (3.3V)
Voltage - Output (Max) 50V
Current - Output 3.5A
Frequency - Switching 100kHz ~ 300kHz
Synchronous Rectifier No
Operating Temperature -40°C ~ 150°C (TJ)
Mounting Type Surface Mount
Package / Case 20-SOIC (0.295", 7.50mm Width)
Supplier Device Package 20-SO

L4973D3.3 Documents

L4973D3.3, L4973D3.3 Datasheet (Total Pages: 28, Size: 635.57 KB)
E-L4973V3.3 Datasheet CoverE-L4973V3.3 Datasheet Page 2E-L4973V3.3 Datasheet Page 3E-L4973V3.3 Datasheet Page 4E-L4973V3.3 Datasheet Page 5E-L4973V3.3 Datasheet Page 6E-L4973V3.3 Datasheet Page 7E-L4973V3.3 Datasheet Page 8E-L4973V3.3 Datasheet Page 9E-L4973V3.3 Datasheet Page 10E-L4973V3.3 Datasheet Page 11E-L4973V3.3 Datasheet Page 12E-L4973V3.3 Datasheet Page 13E-L4973V3.3 Datasheet Page 14
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Part Number Description Stock

L4973D3.3

D# V99:2348_18455492

STMicroelectronics

Conv DC-DC 8V to 55V Step Down Single-Out 0.5V to 50V 3.5A 20-Pin SO Tube

RoHS: Compliant
Americas - 749

L4973D3.3-013TR

D# V36:1790_06548024

STMicroelectronics

Conv DC-DC 8V to 55V Step Down Single-Out 0.5V to 50V 3.5A 20-Pin SO T/R

RoHS: Compliant
Americas - 4000
Part Number Description Stock

E-L4973D3.3

D# E-L4973D3.3

STMicroelectronics

Conv DC-DC Single Step Down 8V to 55V 20-Pin SO Tube - Rail/Tube (Alt: E-L4973D3.3)

RoHS: Compliant
Americas - 0

L4973D3.3

D# L4973D3.3

STMicroelectronics

Conv DC-DC Single Step Down 8V to 55V 20-Pin SO Tube - Rail/Tube (Alt: L4973D3.3)

Americas - 0

L4973D3.3-013TR

D# L4973D3.3-013TR

STMicroelectronics

Conv DC-DC Single Step Down 8V to 55V 20-Pin SO T/R - Tape and Reel (Alt: L4973D3.3-013TR)

Americas - 0
Part Number Description Stock

L4973D3.3

D# L4973D3.3

STMicroelectronics

Conv DC-DC Single Step Down 8V to 55V 20-Pin SO Tube (Alt: L4973D3.3)

Europe - 40

L4973D3.3-013TR

D# L4973D3.3-013TR

STMicroelectronics

Conv DC-DC Single Step Down 8V to 55V 20-Pin SO T/R (Alt: L4973D3.3-013TR)

Europe - 0
Part Number Description Stock

L4973D3.3

STMicroelectronics

Min Qty 34

1360

L4973D3.3-013TR

STMicroelectronics

Min Qty 1000

Contact Us
Part Number Description Stock

L4973D33

STMicroelectronics

RoHS: Compliant
Europe - 160
Part Number Description Stock

L4973D3.3-013TR

D# 497-3358-2-ND

STMicroelectronics

IC REG BUCK ADJ/3.3V 3.5A 20SO

1000 In Stock

L4973D3.3

D# 497-19597-ND

STMicroelectronics

IC REG BUCK ADJ/3.3V 3.5A 20SO

957 In Stock
Part Number Description Stock

L4973D3.3-TR

STMicroelectronics

In stock shipping within 2days

372

L4973D3.3

STMicroelectronics

In stock shipping within 2days

145

L4973D3.3-013TR

STMicroelectronics

In stock shipping within 2days

5260
Part Number Description Stock

L4973D3.3

D# 2460728

STMicroelectronics

DC/DC CONV, BUCK, 100KHZ, SOIC-20

RoHS: Compliant
Min Qty: 1
Container: Each
947
Part Number Description Stock

L4973D3.3-013TR

STMicroelectronics

SO 20 .30 TO JEDEC MS-013

RoHS: Compliant
pbFree: Yes
2000 Reel

L4973D3.3

STMicroelectronics

L4973 Series 3.5 A Step Down Monolithic Power Switching Regulator - SOIC-20

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

L4973D33TR

STMicroelectronics

OEM/CM QUOTES ONLY | NO BROKERS

574

L4973D3313TR

STMicroelectronics

OEM/CM QUOTES ONLY | NO BROKERS

1137

L4973D33013

STMicroelectronics

OEM/CM QUOTES ONLY | NO BROKERS

348

L4973D33013TR

STMicroelectronics

OEM/CM QUOTES ONLY | NO BROKERS

17400

L4973D33TR1LF

SGST

OEM/CM QUOTES ONLY | NO BROKERS

1371

L4973D33

STMicroelectronics

OEM/CM QUOTES ONLY | NO BROKERS

7771
Part Number Description Stock

L4973D3.3

STMicroelectronics

Buck Switching Regulator IC Positive Adjustable (Fixed) 0.5V (3.3V) 1 Output 3.5A 20-SOIC (0.295", 7.50mm Width)

RoHS: Compliant
3
Part Number Description Stock

L4973D3.3

STMicroelectronics

in stock - can ship the same day

41
Part Number Description Stock

L4973D3.3

STMicroelectronics

OEM/CM Immediate delivery

2035

L4973D3.3-013TR

STMicroelectronics

OEM/CM Immediate delivery

30000
Part Number Description Stock

L4973D3.3-013TR

D# 511-L4973D3.3-013TR

STMicroelectronics

Switching Voltage Regulators 3.3V 3.5A Step-Down

RoHS: Compliant
314

L4973D3.3

D# 511-L4973D3.3

STMicroelectronics

Switching Voltage Regulators 3.3V 3.5A Step-Down

RoHS: Compliant
1160
Part Number Description Stock

L4973D3.3-013TR

D# XSFP00000151852

STMicroelectronics

L4973 Series 55 V 3.5 A Step Down Monolithic Power Switching Regulator - SOIC-20

2000
Part Number Description Stock

L4973D3.3

D# 38Y7864

STMicroelectronics

DC-DC Switching Buck (Step Down) Regulator, Adjustable, 8V-55Vin, 500mV-50Vout, 3.5Aout, SOIC-20 RoHS Compliant: Yes

RoHS: Compliant
Min Qty: 1
Container: Bulk
942

L4973D3.3-013TR

D# 79AH3805

STMicroelectronics

BUCK REGULATORS

RoHS: Not Compliant
Min Qty: 1000
Container: TAPE & REEL - FULL
0
Part Number Description Stock

L4973D3.3-013TR

D# NS-L4973D3.3-013TR

STMicroelectronics

OEM/CM ONLY

7308

L4973D3.3

D# NS-L4973D3.3

STMicroelectronics

OEM/CM ONLY

9417
Part Number Description Stock

L4973D3.3-013TR

STMicroelectronics

SWITCHING REGULATOR, VOLTAGE-MODE, 5.5A, 300KHZ SWITCHING FREQ-MAX, BCDMOS, PDSO20

295
Part Number Description Stock

L4973D3.3

D# L4973D3dot3

STMicroelectronics

Inventory R

30
Part Number Description Stock

L4973D3.3

D# 0379977P

STMicroelectronics

STMicroelectronics, L4973D3.3 Step-Down Switching Regulator, 1-Channel 3.5A Adjustable 20-Pin, SOIC, TU

Min Qty: 1
Container: Tube
0
Part Number Description Stock

L4973D3.313TR

STMicroelectronics

OEM/CM ONLY

996

L4973D3.3TR

STMicroelectronics

OEM/CM ONLY

511

L4973D3.3013

STMicroelectronics

OEM/CM ONLY

311

L4973D3.3013TR

STMicroelectronics

OEM/CM ONLY

15841

L4973D3.3TR1LF

SGS Semiconductor Ltd

OEM/CM ONLY

1198

L4973D3.3

STMicroelectronics

OEM/CM ONLY

1769
Part Number Description Stock

L4973D3.3

STMicroelectronics

IN stock Immediate delivery

2050

L4973D3.3-013TR

STMicroelectronics

IN stock Immediate delivery

29985
Part Number Description Stock

L4973D 3.3

N/A

shipping today

19

L4973D3.3

STMicroelectronics

shipping today

13816

L4973D3.3-013TR

STMicroelectronics

shipping today

13816
Part Number Description Stock

L4973D3.3

D# 35933788

STMicroelectronics

Conv DC-DC 8V to 55V Step Down Single-Out 0.5V to 50V 3.5A 20-Pin SO Tube

RoHS: Compliant
Americas - 4000

L4973D3.3-013TR

D# 53459710

STMicroelectronics

Conv DC-DC 8V to 55V Step Down Single-Out 0.5V to 50V 3.5A 20-Pin SO T/R

RoHS: Compliant
Americas - 4000
Part Number Description Stock

L4973D3.3

STMicroelectronics

RFQ

10312

L4973D33

STMicroelectronics

RFQ

6586

L4973D3.3-013TR

STMicroelectronics

RFQ

8741
Part Number Description Stock

L4973D3.3-013TR

STMicroelectronics

IC REG BUCK ADJ/3.3V 3.5A 20SOIC

1900

L4973D3.3

STMicroelectronics

3.5A STEP DOWN SWITCHING REGULATOR | IC REG BUCK ADJ/3.3V 3.5A 20SO

16027
Part Number Description Stock

L4973D3.3

D# 2460728

STMicroelectronics

DC/DC CONV, BUCK, 100KHZ, SOIC-20

RoHS: Compliant
Min Qty: 1
Container: Each
947

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Pricing (USD)

Qty.Unit PriceExt. Price
1$ 5.6132$ 5.6132
100$ 5.6132$ 561.3200
500$ 5.6132$ 2,806.6000
1000$ 5.6132$ 5,613.2000
2500$ 5.6132$ 14,033.0000

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

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