Electronic Components Datasheet Search
  English  ▼

Delete All
ON OFF
ALLDATASHEET.COM

X  

Preview PDF Download HTML

LM2621 Datasheet(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. LM2621
Description  Low Input Voltage, Step-Up DC-DC Converter
Download  11 Pages
Scroll/Zoom Zoom In 100% Zoom Out
Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
Logo 

LM2621 Datasheet(HTML) 4 Page - National Semiconductor (TI)

 
Zoom Inzoom in Zoom Outzoom out
 4 / 11 page
background image
Pin Description
Pin
Name
Function
1
PGND
Power Ground
2
EN
Active-Low Shutdown Input
3
FREQ
Frequency Adjust. An external resistor connected between this pin and Pin 6 (V
DD) sets the switching
frequency of the LM2621.
4
FB
Output Voltage Feedback
5
SGND
Signal Ground
6V
DD
Power Supply for Internal Circuitry
7
BOOT
Bootstrap Supply for the Gate Drive of Internal MOSFET Power Switch
8
SW
Drain of the Internal MOSFET Power Switch
Typical Performance Characteristics
Efficiency vs Load Current
V
OUT = 5.0V
Efficiency vs Load Current
V
OUT = 3.3V
10093401
10093402
V
FB vs Temperature
I
OP vs Temperature
10093403
10093404
www.national.com
4


Html Pages

1  2  3  4  5  6  7  8  9  10  11 


Datasheet Download




Link URL




Privacy Policy
ALLDATASHEET.COM
Does ALLDATASHEET help your business so far?  [ DONATE ]  

About Alldatasheet   |   Advertisement   |   Datasheet Upload   |   Contact us   |   Privacy Policy   |   Alldatasheet API   |   Link Exchange   |   Manufacturer List
All Rights Reserved© Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : 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  |   Vietnamese : Alldatasheet.vn