Datasheet

18
LT1339
sn1339 1339fas
TYPICAL APPLICATIONS
U
W2
T2
W1
W3
6 5 7 2
V
CC2
OUT2 OUT1
GND1
V
CC1
IN2 IN1 GND2
8 3 1 4
LTC1693-1
6 5 7 2
V
CC2
OUT2 OUT1
GND1
GND2 IN2 V
CC1
IN1
4 3 8 1
LTC1693-1
V
+
COMP
RTOP
GND-F
GND-S
RMID
657 324
T2
T1
W4
T2
4.7k
470Ω
470Ω
BAT54
BAT54
W5
W1 W4
SUD30N04-10
SUD30N04-10
IRF1310NS
1nF
SEC HV
10Ω
10Ω
4.8µH
PANASONIC ETQP AF4R8H
1nF
C3
330µF
6.3V
C4
330µF
6.3V
C5
330µF
6.3V
10Ω
4.7nF
4.7nF
47Ω
0.1µF
T2
W3
4.7k
+
+ +
–V
OUT
+V
OUT
–V
OUT
+V
OUT
OUTPUT 5V/10A
C3, C4, C5: SANYO OS-CON
1µF
FZT600
4.7µF
25V
0.47µF
50V
2k
3.1V
MMFT3904
10Ω
BAS21
SEC HV
LT1431CS8
REFCOLL
18
1k
470Ω 100k
3.01k 1%
4.42k
1%
9.31k
1%
0.01µF
+V
OUT
0.22µF
1k
–V
OUT
SHORT JP1 FOR 5V
OUT
V
BOOST
TG
TS
SENSE
+
SENSE
–
12V
IN
RUN/SHDN PHASE
BG
V
FB
SYNC
5V
REF
CT
SL/ADJ
I
AVG
V
REF
SGND
PGND
SS
V
C
LT1339
+
100k
+V
IN
13k
100k
2.4k
4.53k
0.1µF
1µF
2.2nF
2.2nF
0.1µF
4.7nF
68µF
20V
AVX
TSPE
3.9k
17 13 14
1
20 19 18 11 12
2 3 4 5 10 8 15 6 7
16 9
MMBD914LT1
3.3Ω
1µF
CNY17-3
P
P
36k
BAS21 BAS21
BAS21
P
JP2 JP3
5V
OUT
SHORT JP3, OPEN JP2
3.3V
OUT
, SHORT JP2, OPEN JP3
COILCRAFT
DO1608-105
T1
10k
10Ω2.2µF
0.025Ω
1/2W
470Ω
10Ω
FMMT718
FMMT718
P
IRF1310NS
MURS120
MURS120
12V
2.2µF
MMBD914LT1
470Ω
BAT54
W2
C1
1.2µF
100V
CER
C2
1.2µF
100V
CER
+V
IN
P
–V
IN
+V
IN
+V
IN
W3, 10T 32AWG,
W4, 10T 32AWG
W5, 10T 2 x 26AWG
W4, 7T 6 x 26AWG
W1, 18T BIFILAR 31AWG
W3, 6T BIFILAR 31AWG
W1, 10T 2 x 26AWG
W1, 10T 32AWG,
W2, 15T 32AWG
2MIL POLY FILM 2MIL POLY FILM
OUTPUT CURRENT
012345678910
EFFICIENCY
95 90 85
36V
IN
48V
IN
72V
IN
T1 PHILIPS EFD20-3F3 CORE
L
P
= 720µH (AI = 1800)
T2 ER11/5 CORE
AI = 960µH
1339 TA06
INPUT
36V TO
75V
48V to 5V Isolated Synchronous Forward DC/DC Converter