Datasheet

12
LT1160/LT1162
11602fb
Figure 5. 90% Efficiency, 40V to 5V 10A Low Dropout Current Mode Switching Regulator
TYPICAL APPLICATIONS
U
6800pF
100pF
10k
18k
18k
10k
2k
1k
1k
5k
25k
500k
5V
5400µF
LOW ESR
1160/62 F05
0.1µF
10µF
2.2µF
1µF
0.1µF
330k
12V
1N4148
1N4148
1N4148
4700pF
IRFZ44
IRFZ44
MBR360
* HURRICANE LAB
HL-KM147U
IRFZ44
60V
MAX
2200µF EA
LOW ESR
R
S
**
0.007Ω
L*
47µH
f = 40kHz
14
13
12
11
10
9
8
1
2
3
4
5
6
7
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
BOOST
T GATE DR
T GATE FB
T SOURCE
PV
+
B GATE DR
B GATE FB
LT1160
SV
+
IN TOP
IN BOTTOM
UV OUT
SGND
PGND
NC
2N2222
LT1846
** DALE TYPE LVR-3
ULTRONIX RCS01
+ +
+
+
2.2nF
27k
0.1µF
1k
1k
5k
2k
5V
5400µF
LOW ESR
1160/62 F04
0.1µF
10µF
1µF
1µF
0.1µF
0.022µF
C1
0.1µF
360Ω
510Ω
4.7k
0.33µF
330k
12V
1N4148
1N4148
1N4148
IRFZ44
IRFZ44
MBR360
* MAGNETICS CORE #55585-A2
30 TURNS 14GA MAGNET WIRE
IRFZ44
60V MAX
2200µF EA
LOW ESR
R
S
**
0.007Ω
L*
70µH
4.7k
f = 25kHz
14
13
12
11
10
9
8
1
2
3
4
5
6
7
1
2
3
4
5
6
7
8
9
18
17
16
15
14
13
12
11
10
BOOST
T GATE DR
T GATE FB
T SOURCE
PV
+
B GATE DR
B GATE FB
LT1160
SV
+
IN TOP
IN BOTTOM
UV OUT
SGND
PGND
NC
SHUTDOWN
2N2222
LT3526
** DALE TYPE LVR-3
ULTRONIX RCS01
+
+
+
Figure 4. 90% Efficiency, 40V to 5V 10A Low Dropout Voltage Mode Switching Regulator