L4973D3.3 is Obsolete and no longer manufactured.
Available Substitutes:

MFR Recommended

L4973D3.3-013TR
STMicroelectronics
In Stock: 2,543
Unit Price: Fr.3.74000
Datasheet
View and Compare All Substitutes
20 SO
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

L4973D3.3

DigiKey Part Number
497-19597-ND
Manufacturer
STMicroelectronics
Manufacturer Product Number
L4973D3.3
Description
IC REG BUCK ADJ/0.5V 3.5A 20SO
Customer Reference
Detailed Description
Buck Switching Regulator IC Positive Adjustable (Fixed) 0.5V (3.3V) 1 Output 3.5A 20-SOIC (0.295", 7.50mm Width)
Datasheet
 Datasheet
EDA/CAD Models
L4973D3.3 Models
Product Attributes
Type
Description
Select All
Category
Mfr
STMicroelectronics
Series
-
Packaging
Tube
Part Status
Obsolete
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
Base Product Number
L4973
Product Questions and Answers

See what engineers are asking, ask your own questions, or help out a member of the DigiKey engineering community

Obsolete
This product is no longer manufactured. View Substitutes or Alternative Package Types