L4973D3.3 STMicroelectronics, L4973D3.3 Datasheet - Page 23
![IC BUCK SYNC 3.3/ADJ 3.5A SOIC20](/photos/6/56/65691/497-20-soic__7_5mm_width__series_sml.jpg)
L4973D3.3
Manufacturer Part Number
L4973D3.3
Description
IC BUCK SYNC 3.3/ADJ 3.5A SOIC20
Manufacturer
STMicroelectronics
Type
Step-Down (Buck)r
Datasheet
1.L4973D5.1-013TR.pdf
(28 pages)
Specifications of L4973D3.3
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
3.3V, 0.5 ~ 50 V
Current - Output
3.5A
Frequency - Switching
100kHz ~ 300kHz
Voltage - Input
8 ~ 55 V
Operating Temperature
-40°C ~ 150°C
Mounting Type
Surface Mount
Package / Case
20-SOIC (7.5mm Width)
Power - Output
4W
Output Voltage
50 V
Mounting Style
SMD/SMT
For Use With
497-4743 - BOARD EVAL FOR L4973X SW REG
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
L4973D3.3
Manufacturer:
ST-MICROE
Quantity:
251
Part Number:
L4973D3.3
Manufacturer:
ST
Quantity:
20 000
Company:
Part Number:
L4973D3.3-013TR
Manufacturer:
ST
Quantity:
1 000
Part Number:
L4973D3.3-013TR
Manufacturer:
ST
Quantity:
20 000
L4973
9
Package mechanical data
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK
specifications, grade definitions and product status are available at: www.st.com. ECOPACK
is an ST trademark.
®
packages, depending on their level of environmental compliance. ECOPACK
Package mechanical data
23/28
®