Datasheet

LT3495/LT3495B/
LT3495-1/LT3495B-1
13
3495b1b1fa
TYPICAL APPLICATIONS
Figure 8. One Li-Ion Cell Input Boost Converter with the LT3495B
Efficiency vs Load Current
LT3495/LT3495B Maximum Output Current vs Output Voltage
V
OUT
R1 VALUE REQUIRED
(MΩ)
MAXIMUM OUTPUT
CURRENT AT 3V INPUT (mA)
40 2.37 26
35 2.05 31
30 1.78 37
25 1.47 43
20 1.15 57
15 0.845 74
10 0.536 120
5 0.232 250
SW CAP
V
CC
SHDN
CTRL
V
OUT
FB
GND
R1
909k
3495 F07a
LT3495
C1
4.7µF
L1
10µH
C2
2.2µF
C3
1µF
ONE Li-Ion CELL
TURN ON/OFF
V
OUT
DIMMING
C1: 4.7µF, 6.3V, X5R, 0603
C2: 2.2µF, 25V, X5R, 0805
C3: 1µF, 25V, X5R, 0603
D1: DIODES INC. B0540WS-7
L1: COILCRAFT LPS4018-103MLB
OUTPUT 16V
70mA
D1
Figure 7. One Li-Ion Cell Input Boost Converter with the LT3495
SW CAP
V
CC
SHDN
CTRL
V
OUT
FB
GND
R1
909k
3495 F08a
LT3495B
C1
4.7µF
L1
6.8µH
C2
2.2µF
C3
1µF
ONE Li-Ion CELL
TURN ON/OFF
V
OUT
DIMMING
C1: 4.7µF, 6.3V, X5R, 0603
C2: 2.2µF, 25V, X5R, 0805
C3: 1µF, 25V, X5R, 0603
D1: DIODES INC. B0540WS-7
L1: SUMIDA CR32-6R8
OUTPUT 16V
70mA
D1
Efficiency vs Load Current
LOAD CURRENT (mA)
EFFICIENCY (%)
POWER LOSS (mW)
3495 F07b
90
80
50
60
70
40
400
320
80
160
240
0
0.1 10 1001
V
IN
= 3.6V
LOAD FROM CAP
LOAD FROM V
OUT
LOAD CURRENT (mA)
EFFICIENCY (%)
POWER LOSS (mW)
3495 F08b
90
80
50
60
70
40
400
320
80
160
240
0
0.1 10 1001
V
IN
= 3.6V
LOAD FROM CAP
LOAD FROM V
OUT