Datasheet

12
LT1370
sn1370 1370fs
TYPICAL APPLICATIONS N
U
Positive-to-Negative Converter with Direct Feedback
LT1370
V
IN
V
C
V
IN
2.7V TO 13V
*BH ELECTRONICS 501-0726
GND
NFB
LT1370 • TA03
V
SW
S/S
D2
P6KE-15A
D3
1N4148
D1
MBRD835L
C1
100µF
C2
0.047µF
C3
0.0047µF
R1
2k
R3
2.49k
1%
R2
2.49k
1%
–V
OUT
†
–5V
C4
100µF
× 2
ON
OFF
V
IN
3V
5V
9V
I
OUT
1.75A
2.25A
3A
2
1
4
T1*
3
•
•
†
MAX I
OUT
+
+
Dual Output Flyback Converter with Overvoltage Protection
LT1370
V
IN
FB
V
C
V
IN
2.7V TO 10V
*DALE LPE-5047-100MB
GND
NFB
LT1370 • TA04
V
SW
S/S
P6KE-20A
1N4148
MBRS360T3
MBRS360T3
C1
22µF
R2
6.19k
1%
R1
68.1k
1%
C2
0.047µF
C3
0.0047µF
R3
2k
R5
2.49k
1%
R4
12.1k
1%
–V
OUT
–15V
V
OUT
15V
C4
47µF
C5
47µF
ON
OFF
2, 3
8, 9
7
T1*
4
10
1
•
•
•
+
+
+