Electronic Components Datasheet Search
Selected language     English  ▼


E-L4973D3.3 Datasheet(PDF) 8 Page - STMicroelectronics

Part No. E-L4973D3.3
Description  3.5A step down switching regulator
Download  27 Pages
Scroll/Zoom Zoom In 100% Zoom Out
Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo 

 8 page
background image
Electrical characteristics
L4973
8/27
Ramp peak
VCC = 8V
VCC = 55V
1.9
9
2.1
9.6
2.3
10.2
V
V
Maximum Duty Cycle
95
97
%
Maximum Frequency
Duty Cycle = 0%;
ROSC =13KΩ; COSC = 820pF;
300
KHz
Sync function
High Input Voltage
VCC = 8V to 55V
3.5
V
Low Input Voltage
VCC = 8V to 55V
0.9
V
Slave Sink Current
0.15
0.25
0.45
mA
Master Output
Amplitude
Isource = 3mA
4
4.5
V
Output Pulse Width
no load, Vsync = 4.5V
0.20
0.35
µs
1.
Pulse testing with a low duty cycle
2.
Specifications referred to TJ from -40°C to 125°C.
Table 4. Electrical characteristics (continued)
(Refer to the test circuit,VCC = 24V; TJ = 25°C, COSC = 2.7nF; ROSC = 20KΩ;
unless otherwise specified)
Symbol
Parameter
Test condition
Min
Typ
Max
Unit




Html Pages

1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19  20  21  22  23  24  25  26  27 


Datasheet Download



Related Electronics Part Number

Part NumberComponents DescriptionHtml ViewManufacturer
LM5010AHigh Voltage 1A Step Down Switching Regulator 1 2 3 4 5 MoreNational Semiconductor (TI)
A5972D2A switch step down switching regulator for automotive applications 1 2 3 4 5 MoreSTMicroelectronics
A5972D_08Up to 1.5 A step down switching regulator for automotive applications 1 2 3 4 5 MoreSTMicroelectronics
A5973D2.5A switch step down switching regulator for automotive applications 1 2 3 4 5 MoreSTMicroelectronics
A5973ADUp to 1.5 A step down switching regulator for automotive applications 1 2 3 4 5 MoreSTMicroelectronics
A5973D_08Up to 2 A step down switching regulator for automotive applications 1 2 3 4 5 MoreSTMicroelectronics
LM5007_08High Voltage 80V Step Down Switching Regulator Coming SoonNational Semiconductor (TI)
A6902D_08Up to 1 A step down switching regulator with adjustable current limit for automotive applications 1 2 3 4 5 MoreSTMicroelectronics
LM269430V 600 mA Step Down Switching Regulator 1 2 3 4 5 MoreNational Semiconductor (TI)
L5970D_0710Up to 1A step down switching regulator 1 2 3 4 5 MoreSTMicroelectronics

Link URL

Does ALLDATASHEET help your business so far?  [ DONATE ]  

About Alldatasheet   |   Advertisement   |   Contact us   |   Privacy Policy   |   Bookmark   |   Link Exchange   |   Manufacturer List
All Rights Reserved© Alldatasheet.com 2003 - 2017    


Mirror Sites
English : Alldatasheet.com  , Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp  |   Russian : Alldatasheetru.com
Korean : Alldatasheet.co.kr   |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com  |   Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl