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LTC3832-1ES8

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24
19
LTC3832/LTC3832-1
sn3832 3832fs
Efficiency vs Load Current
Figure 12. Typical 3.3V to 2.5V, 14A Application
+
G1
I
MAX
I
FB
G2
PGND
GND
SENSE
+
FB
V
CC
SS
FREQSET
SHDN
COMP
PV
CC2
1N5817
OPTIONAL
1N5817
1N5817
5.6k
1k
0.1µF
0.1µF
L
O
1.3µH
Q2
NC
C
IN
: SANYO 6TPB330M
C
OUT
: SANYO 4TPB470M
D1: MBRS330T3
L
O
: SUMIDA CDEP105-1R3-MC-S
Q1A, Q1B, Q2: FAIRCHILD FDS6670A
D1
C
OUT
470µF
×3
V
OUT
2.5V
14A
V
IN
3.3V
3832 F12a
Q1A, Q1B
2 IN PARALLEL
0.1µF
LTC3832
10µF
SHDN
NC
+
4.7µF
D
Z
12V
1N5242
PV
CC1
SENSE
–
+
C
IN
330µF
×2
+
1µF
C1
180pF
0.01µF
100Ω
C
C
1500pF
R
C
18k
LOAD CURRENT (A)
0
EFFICIENCY (%)
60
80
100
10 11
3832 F12b
40
20
50
70
90
30
10
0
123
5674
89
12 13 14
15
T
A
= 25°C
V
IN
= 3.3V
V
OUT
= 2.5V
REFER TO FIGURE 12
APPLICATIO S I FOR ATIO
WUUU
20
LTC3832/LTC3832-1
sn3832 3832fs
TYPICAL APPLICATIO S
U
Typical 3.3V to 5V, 5A Synchronous Boost Converter
I
MAX
I
FB
G1
PGND
GND
G2
FB
V
CC
SS
FREQSET
SHDN
COMP
SENSE
+
PV
CC1
5.6k
5mΩ
100Ω
10Ω
0.1µF
MBR0520
MBR0520
0.1µF
L
O
1.3µH
Q1
Q2
10µF
C
IN
, C
OUT
: SANYO POSCAP 6TPB330M
L
O
: SUMIDA CDEP105-1R3-MC-S
Q1, Q2: SILICONIX Si4864DY
C
IN
330µF
93.1k
1%
12.7k
1%
V
OUT
5V
5A
3832 TA03
LTC3832
10µF
V
IN
3.3V
SHUTDOWN
NC
NC
PV
CC2
SENSE
–
NC
+
10µF
C
OUT
330µF
×2
2.2µF
C1
68pF
0.47µF
C
C
0.01µF
R
C
6.8k
MBR330T3
+
21
LTC3832/LTC3832-1
sn3832 3832fs
TYPICAL APPLICATIO S
U
Typical 3.3V to –5V, 5A Positive-to-Negative Converter
G1
I
MAX
I
FB
G2
FB
PGND
GND
V
CC
SS
FREQSET
SHDN
COMP
SENSE
+
PV
CC2
MBR0520
V
IN
3.3V
3.5k
1k
100Ω
0.1µF
13V
0.1µF
L
O
1.3µH
Q2
C
OUT
330µF
93.1k
1%
12.7k
1%
V
OUT
–5V
5A
3832 TA04
Q1
LTC3832
10µF
SHUTDOWN
NC
NC
PV
CC1
SENSE
–
NC
+
10µF
C
IN
330µF
+
1µF
1µF
D
Z
8.2V
C1
180pF
0.01µF
C
C
1.5nF
R
C
15k
C
IN
, C
OUT
: SANYO POSCAP 6TPB330M
L
O
: SUMIDA CDEP105-1R3-MC-S
Q1, Q2: SILICONIX Si7440DP
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24

LTC3832-1ES8

Mfr. #:
Buy LTC3832-1ES8
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators LTC3832 - High Power Step-Down Synchronous DC/DC Controllers for Low Voltage Operation
Lifecycle:
New from this manufacturer.
Delivery:
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