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LT1619EMS8#PBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20
13
LT1619
1619fa
1
2
3
4
8
7
6
5
G
G
S
DD
C
IN2
LT1619
M1
R
SENSE
V
OUT
V
IN
S
M1
C
DRV
1619 F14
GND
R1
R
C
C
P
D1
L1
C
Z
C
IN1
C
OUT1, 2
R2
Figure 14. Recommended Component Placement for the Boost Converters in Figures 15a and 16a
APPLICATIO S I FOR ATIO
WUUU
14
LT1619
1619fa
APPLICATIO S I FOR ATIO
WUUU
S/S
FB
V
C
GND
8
7
6
5
1
2
3
4
V
IN
DRV
GATE
SENSE
LT1619
+
R
C
75k
C
Z
15nF
C
IN1
: SANYO POSCAP 6TPB150M ×2
C
OUT1
: SANYO POSCAP 10TPB220M ×4
D1: MOTOROLA MBRB1545CT
L1: SUMIDA CEPH149-1R0
R
SENSE
: PANASONIC 0.002Ω 1W
C
IN2
1µF
CERAMIC
C
IN1
300µF
+
C
OUT1
220µF
×4
L1
1µH
V
IN
3.3V
D1
M1
FDS6680A
×2
C
DRV
0.1µF
CERAMIC
C
P
150pF
R
SENSE
C
OUT2
10µF
CERAMIC
R1
37400Ω
5V
8A
1619 F15a
R2
12400Ω
Figure 15a. 3.3V to 5V/8A Boost Converter
LOAD CURRENT (A)
0.01
83
EFFICIENCY (%)
87
88
89
0.1 1 10
1619 F15b
86
85
84
V
IN
= 3.3V
Figure 15b. Efficiency of the 5V/8A Boost Converter
15
LT1619
1619fa
APPLICATIO S I FOR ATIO
WUUU
S/S
FB
V
C
GND
8
7
6
5
1
2
3
4
V
IN
DRV
GATE
SENSE
LT1619
+
R
C
68.1k
C
Z
2200pF
C
IN1
: SANYO OS-CON 10SA100M
C
OUT1
: SANYO OS-CON 16SA150M ×4
D1: MOTOROLA MBRB1545CT
L1: SUMIDA CDEP149-1R8
R
SENSE
: PANASONIC 0.002Ω 1W
C
IN2
1µF
CERAMIC
C
IN1
100µF
+
C
OUT1
600µF
L1
1.8µH
V
IN
5V
D1
M1
FDS6690A
×2
C
DRV
0.1µF
CERAMIC
C
P
47pF
R
SENSE
C
OUT2
10µF
CERAMIC
R1
107k
12V
5A
1619 F15a
R2
12400Ω
Figure 16a. 5V to 12V/5A Boost Converter
LOAD CURRENT (A)
0.01
89
EFFICIENCY (%)
90
91
92
93
0.1 1 10
1619 F16b
88
87
86
85
94
95
V
IN
= 5V
Figure 16b. Efficiency of the 12V/5A Boost Converter
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20

LT1619EMS8#PBF

Mfr. #:
Buy LT1619EMS8#PBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators Current-Mode Boost Controller
Lifecycle:
New from this manufacturer.
Delivery:
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