Datasheet

7
LT1615/LT1615-1
sn16151 16151fas
TYPICAL APPLICATIO S
U
2-Cell to 3.3V Boost Converter
V
IN
SW
FB
LT1615
V
IN
1.5V TO 3V
L1
4.7µH
D1
SHDN
604k
1M
C2
22µF
3.3V
60mA
1615/-1 TA03
GND
C1
4.7µF
C1: TAIYO YUDEN LMK316BJ475 [phone]
C2: TAIYO YUDEN JMK325BJ226 [phone]
L1: MURATA LQH3C4R7M24 [phone]
D1: MOTOROLA MBR0520 [phone]
43
2
15
4.7pF
LOAD CURRENT (mA)
0.1
EFFICIENCY (%)
90
85
80
75
70
65
60
55
50
1 10 100
1615/-1 TA03a
V
IN
= 3V
V
IN
= 1.5V
2-Cell to 3.3V Converter Efficiency
1-Cell to 3.3V Boost Converter
4-Cell to 5V SEPIC Converter
V
IN
SW
FB
LT1615
V
IN
3V TO 6V
L1
10µH
D1
C3
1µF
SHDN
324k
1M
C2
10µF
5V
40mA
1615/-1 TA07
GND
C1
4.7µF
C1: TAIYO YUDEN LMK316BJ475 [phone]
C2: TAIYO YUDEN JMK316BJ106 [phone]
C3: TAIYO YUDEN JMK107BJ105 [phone]
L1, L2: MURATA LQH3C100K24 [phone]
D1: MOTOROLA MBR0520 [phone]
L2
10µH
43
2
15
4.7pF
1-Cell Li-Ion to 3.3V SEPIC Converter
V
IN
SW
FB
LT1615
V
IN
2.5V TO 4.2V
L1
10µH
D1
C3
1µF
SHDN
604k
1M
C2
10µF
3.3V
50mA
1615/-1 TA07
GND
C1
4.7µF
C1: TAIYO YUDEN LMK316BJ475 [phone]
C2: TAIYO YUDEN JMK316BJ106 [phone]
C3: TAIYO YUDEN JMK107BJ105 [phone]
L1, L2: MURATA LQH3C100K24 [phone]
D1: MOTOROLA MBR0520 [phone]
L2
10µH
43
2
15
4.7pF
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
V
IN
SW
FB
LT1615-1
V
IN
1V TO 1.5V
L1
22µH
D1
SHDN
604k
1M
C2
10µF
3.3V
15mA
1615/-1 TA04
GND
C1
4.7µF
C1: TAIYO YUDEN LMK316BJ475 [phone]
C2: TAIYO YUDEN JMK316BJ106 [phone]
L1: MURATA LQH3C220K24 [phone]
D1: CENTRAL SEMICONDUCTOR CMDSH-3 [phone]
43
2
15
4.7pF
PIN Diode Driver
V
IN
SW
FB
LT1615-1
V
IN
1V TO 6V
L1
22µH
D1
SHDN
365k
10M
C2
1µF
35V
500µA
1615/-1 TA09
GND
C1
4.7µF
C1: TAIYO YUDEN EMK316BJ475 [phone]
C2: TAIYO YUDEN GMK316BJ105 [phone]
L1: MURATA LQH3C220K24 [phone]
D1: MOTOROLA MBR0540 [phone]
43
2
15
Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.