Electronic Components Datasheet Search
  English  ▼

X  

Preview PDF HTML

LT1105C Datasheet(PDF) 27 Page - Linear Technology

Part # LT1105C
Description  Offline Switching Regulator
PDF  32 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT1105C Datasheet(HTML) 27 Page - Linear Technology

Back Button LT1105C Datasheet HTML 23Page - Linear Technology LT1105C Datasheet HTML 24Page - Linear Technology LT1105C Datasheet HTML 25Page - Linear Technology LT1105C Datasheet HTML 26Page - Linear Technology LT1105C Datasheet HTML 27Page - Linear Technology LT1105C Datasheet HTML 28Page - Linear Technology LT1105C Datasheet HTML 29Page - Linear Technology LT1105C Datasheet HTML 30Page - Linear Technology LT1105C Datasheet HTML 31Page - Linear Technology Next Button
Zoom Inzoom in Zoom Outzoom out
 27 / 32 page
background image
27
LT1103/LT1105
TYPICAL APPLICATIONS
OSC
COSC
LT1103/LT1105
LT1103 TA05
CHOOSE 20kHz
≤ fOSC ≤ 200kHz
COSC =
=
=
SF
fOSC
I
DC
≅ 0.66 ⇒ 66%
2.5V fOSC
100
µA
()()
∆V fOSC
()()
OVLO
R2
LT1105
LT1103 TA09
R1
OVLOTH
()
CHOOSE OVLOTH
LET R1 = 5k
R2 =
–1 R1
OVLOTH
2.5V
Setting Oscillator Frequency
Setting Overvoltage Lockout
Increasing Oscillator
Maximum Duty Cycle
Decreasing Oscillator
Maximum Duty Cycle
Synchronizing Oscillator Frequency
to an External Clock
OSC
COSC
LT1103/LT1105
LT1103 TA06
R
I1
CHOOSE 0.66
≤ DC ≤ 1.0
SOLVE FOR X
⇒ X =
0
≤ X ≤ 1.5
⇒ I1 = X • I = X • 100µA
⇒ R =
COSC =
• 1 –
(9DC – 6)
2
3.25V
I1
2.5V fOSC
100
µA
()()
3X + 2X
2
()
9
OSC
COSC
LT1105
LT1103 TA07
R
I1
5V
CHOOSE 0
≤ DC ≤ 0.66
SOLVE FOR X
⇒ X =
0
≤ X ≤ 3
⇒ I1 = X • I = X • 100µA
⇒ R =
COSC =
• 1 +
(6 – 9DC)
2
1.75V
I1
2.5V fOSC
100
µA
()()
3X – 2X
2
()
9
OSC
COSC
LT1103/LT1105
LT1103 TA08
1
µF
500ns
ISOLATION
BOUNDARY
5V
0V
1:0.5



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 28 29 30 31 32


Datasheet Download

Go To PDF Page


Link URL



Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Contact us   |   Privacy Policy   |   Link to Datasheet    |   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
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com