LT1610 Linear Technology, LT1610 Datasheet - Page 11

• Manufacturer Part Number: LT1610
• Description: Constant-Current/ Constant-Voltage 1.4MHz Step-Up DC/DC Converter
• Manufacturer: Linear Technology

TYPICAL APPLICATIONS
V
C1: AVX TAJA106M010R
C2: AVX TAJB336M006R
D1: MBR0520
L1: MURATA LQH3C4R7
5V
C1, C2: AVX TAJA156M010R
D1: MOTOROLA MBR0520
L1: SUMIDA CD43-4R7
IN
2 CELLS
2 CELLS
MURATA LQH1C4R7
+
C1: AVX TAJA156M010
C2: AVX TAJB156M016
D1: MOTOROLA MBR0520
L1: MURATA LQH3C100M24
C1
15 F
+
+
5V to 12V/100mA Boost Converter
C1
10 F
C1
15 F
1
8
2-Cell to 3.3V Converter
V
COMP
C
3
8
GND
1
8
V
2-Cell to 5V Converter
IN
SHDN
COMP
7
6
V
COMP
C
LT1610
V
GND
V
V
10 H
IN
C
IN
L1
1
6
7
6
LT1610
4.7 H
LT1610
4.7 H
L1
PGND
L1
SW
SHDN
4
5
FB
PGND
PGND
SW
SHUTDOWN
SW
SHDN
GND
4
5
2
3
4
D1
FB
5
U
FB
SHUTDOWN
2
7
D1
2
3
D1
R2
1M
R3
115k
1M
324k
R2
1M
R3
604k
+
+
+
C2
15 F
1610 TA06
V
12V
100mA
OUT
C2
15 F
C2
33 F
1610 TA02
1610 TA04
V
5V
50mA
V
3.3V
70mA
OUT
OUT
90
80
70
60
50
90
80
70
60
50
90
85
80
75
70
65
60
55
50
0.1
0.1
0.1
3.3V
V
IN
= 2V
OUT
1
1
LOAD CURRENT (mA)
LOAD CURRENT (mA)
V
1
IN
Efficiency
Efficiency
Efficiency
LOAD (mA)
= 1.5V
10
10
1.5V
V
IN
3V
= 3V
IN
IN
10
100
100
2V
1610 TA07
1610 TA03
1610 TA05
IN
1000
LT1610
1000
100
11