Datasheet

13
LT1370
sn1370 1370fs
TYPICAL APPLICATIONS N
U
Two Li-Ion Cells to 5V SEPIC Converter**
LT1370
V
IN
GND
V
IN
4V TO 9V
V
C
FB
LT1370 • TA05
V
SW
S/S
C1
33µF
20V
C4
0.047µF
C5
0.0047µF
R1
2k
R3
6.19k
1%
R2
18.7k
1%
V
OUT
†
5V
C3
100µF
10V
×2
ON
OFF
L1A*
6.8µH
•
•
L1B*
6.8µH
C2
4.7µF
C1 = AVX TPSD 336M020R0200
C2 = TOKIN 1E475ZY5U-C304
C3 = AVX TPSD107M010R0100
BH ELECTRONICS 501-0726
INPUT VOLTAGE MAY BE GREATER OR
LESS THAN OUTPUT VOLTAGE
D1
MBRD835L
V
IN
4V
5V
7V
9V
I
OUT
2A
2.2A
2.6A
2.8A
†
MAX I
OUT
*
**
+
+
Single Li-Ion Cell to 5V
LT1370
V
IN
V
C
GND
FB
LT1370 • TA06
V
SW
S/S
L1*
C1**
100µF
10V
SINGLE
Li-Ion
CELL
C4**
100µF
10V
×2
C2
0.047µF
C3
0.0047µF
R3
2k
R2
6.19k
1%
R1
18.7k
1%
V
OUT
†
5V
D1
MBRD835L
ON
OFF
*
**
COILCRAFT DO3316P-472
AVX TPSD107M010R0100
+ +
+
V
IN
2.7V
3.3V
3.6V
I
OUT
2.5A
3A
3.3A
†
MAX I
OUT