LT1105IN8 Linear Technology, LT1105IN8 Datasheet - Page 32

• Manufacturer Part Number: LT1105IN8
• Description: IC OFFLINE SWIT CM HV 8DIP
• Manufacturer: Linear Technology

Specifications of LT1105IN8

• Output Isolation: Isolated
• Frequency Range: 20 ~ 200kHz
• Voltage - Input: 7 ~ 30 V
• Voltage - Output: 20V
• Power (watts): 100W
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 8-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

LT1103/LT1105
TYPICAL
RELATED PARTS
PART NUMBER
LT1241
LT1246
LT1248
LT1249
LT1508
LT1509
32
85V
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone] www.linear-tech.com
RECTIFIER
AC
BRIDGE
FILTER
LINE
TO 270V
+
APPLICATION
+
–
DESCRIPTION
High Speed Current Mode Pulse Width Modulators
Off-Line Current Mode PWM
Power Factor Controller
Power Factor Controller
Power Factor and PWM Controller
Power Factor and PWM Controller
AC
+
220 F
385V
16.2k
1%
5.36k
1%
Danger!! Lethal Voltages Present – See Text
BAV21
Minimum Parts Count Fully-Isolated Flyback 100kHz 50W Converter
1000pF
499
BAV21
100
U
39 F
25V
+
0.047 F
220k
1W
4.85
5.25
5.20
5.15
5.10
5.05
5.00
4.95
4.90
4.75
4.80
GND
V
FB
0
IN
1
1N4148
LT1103
Load Regulation
V
2
C
330
0.1 F
3
4
OSC
V
15V
I
SW
OUT
COMMENTS
Up to 500kHz Operation
1MHz Operation
Programmable Frequency, 16-Pin SO
100kHz, SO-8
Voltage Mode
Current Mode
5
390pF
(A)
85V
6
BUK426-800A
270V
AC
1.5KE300A
7
+
MUR150
AC
110V
8
220V
10
5W
LT1103 TA14
1 F
25V
AC
9
AC
10
TRANSFORMER DATA:
COILTRONICS - CTX110228-3
L
N
N
LT1103 TA01
(PRI)
PRI
BIAS
MBR2045
:N
:N
*OUTPUT CAPACITOR IS THREE 1200 F,
= 1.6mH
SEC
WINDINGS FOR
OPTIONAL
50V CAPACITORS IN PARALLEL TO
ACHIEVE REQUIRED RIPPLE CURRENT
RATING AND LOW ESR.
SEC
12V
11035fd LT/TP 0998 REV D 2K • PRINTED IN USA
+
= 1:0.05
= 1:0.27
DC
OPTIONAL OUTPUT FILTER
LINEAR TECHNOLOGY CORPORATION 1992
OUTPUTS
35V
3600 F
10 H
+
50V
470 F
5V
10A