Datasheet

LT3495/LT3495B/
LT3495-1/LT3495B-1
14
3495b1b1fa
One Li-Ion Cell Input Boost Converter with the LT3495-1/LT3495B-1
Efficiency vs Load Current
TYPICAL APPLICATIONS
LT3495-1/LT3495B-1 Maximum Output Current vs Output Voltage
V
OUT
R1 VALUE REQUIRED
(MΩ)
MAXIMUM OUTPUT
CURRENT AT 3V INPUT (mA)
40 2.37 12
35 2.05 15
30 1.78 18
25 1.47 21
20 1.15 28
15 0.845 36
10 0.536 63
5 0.232 120
Efficiency vs Load Current
SW CAP
V
CC
SHDN
CTRL
V
OUT
FB
GND
665k
3495 TA02a
LT3495B
C1
4.7µF
L1
10µH
C2
2.2µF
C3
10µF
V
IN
= 5V
TURN ON/OFF
V
OUT
DIMMING
C1: 4.7µF, 6.3V, X5R, 0603
C2: 2.2µF, 25V, X5R, 0805
C3: 10µF, 25V, X5R, 1206
D1: DIODES INC. B0540WS-7
L1: COILCRAFT LPS4018-103MLB
V
OUT
= 12V
130mA
D1
5V to 12V, 130mA Boost Converter
LOAD CURRENT (mA)
EFFICIENCY (%)
POWER LOSS (mW)
3495 TA02b
100
90
80
50
60
70
40
900
750
600
150
300
450
0
0.1 10 100 10001
LOAD FROM CAP
LOAD FROM V
OUT
LOAD CURRENT (mA)
EFFICIENCY (%)
POWER LOSS (mW)
3495 F09b
90
80
50
60
70
40
250
200
50
100
150
0
0.1 10 1001
V
IN
= 3.6V
LOAD FROM CAP
LOAD FROM V
OUT
SW CAP
V
CC
SHDN
CTRL
V
OUT
FB
GND
909k
3495 F09a
LT3495B-1/
LT3495-1
C1
2.2µF
L1
10µH
C2
1µF
C3
1µF
ONE LI-ION CELL
TURN ON/OFF
V
OUT
DIMMING
C1: 2.2µF, 6.3V, X5R, 0603
C2: 1µF, 25V, X5R, 0603
C3: 1µF, 25V, X5R, 0603
D1: DIODES INC. B0540WS-7
L1: MURATA LQH32CN100K33
OUTPUT 16V
30mA
D1