LT3495 데이터 시트보기 (PDF) - Linear Technology
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LT3495 Datasheet PDF : 16 Pages
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LT3495/LT3495B/
LT3495-1/LT3495B-1
TYPICAL APPLICATIONS
ONE LI-ION CELL
C1
2.2μF
L1
10μH
D1
SW CAP
VCC VOUT
LT3495B-1/
LT3495-1
C2
1μF
909k
OUTPUT 16V
30mA
C3
1μF
TURN ON/OFF
VOUT DIMMING
SHDN FB
CTRL GND
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
3495 F09a
Figure 9. One Li-Ion Cell Input Boost Converter
with the LT3495-1/LT3495B-1
Efficiency vs Load Current
90
250
VIN = 3.6V
LOAD FROM CAP
80
200
70
150
LOAD FROM VOUT
60
100
50
50
40
0.1
1
10
LOAD CURRENT (mA)
0
100
3495 F09b
LT3495-1/LT3495B-1 Maximum Output Current vs Output Voltage
R1 VALUE REQUIRED
MAXIMUM OUTPUT
VOUT
(MΩ)
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
5V to 12V, 130mA Boost Converter
VIN = 5V
C1
4.7μF
L1
10μH
D1
SW CAP
VCC VOUT
LT3495B
TURN ON/OFF
VOUT DIMMING
SHDN FB
CTRL GND
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
C2
2.2μF
665k
VOUT = 12V
130mA
C3
10μF
3495 TA02a
14
Efficiency vs Load Current
100
900
90
LOAD FROM CAP
750
80
LOAD FROM VOUT
600
70
450
60
300
50
150
40
0.1
1
10
100
LOAD CURRENT (mA)
0
1000
3495 TA02b
3495b1b1f
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