ltc1624 Linear Technology Corporation, ltc1624 Datasheet - Page 24

• Manufacturer Part Number: ltc1624
• Description: High Efficiency So-8 N-channel Switching Regulator Controller
• Manufacturer: Linear Technology Corporation

LTC1624
24
TYPICAL APPLICATIONS
330pF
13V TO
6.8k
C
C
R
28V
V
C
IN
* COILTRONICS CTX20-4
+
100pF
C
C5, C7 = WIMA MKS2
C
D1 = MOTOROLA MBR2535CT
L1 = PULSE ENGINEERING PO472
IN1
OUT
R
20k
C
, C
C
1000 F
35V
= SANYO 16MV2700GX
IN1
2
IN2
, C
100pF
= SANYO 35MV1000GX
C
R1
11k
1%
IN2
C
1
2
3
4
Figure 18. 24V to 12V/10A Buck Converter with Output-Derived Boost Voltage
SENSE
I
V
GND
TH
FB
/RUN
Figure 17. 5V/1A SEPIC Converter with Output Derived Boost Voltage
LTC1624
–
1
2
3
4
U
BOOST
SENSE
I
V
GND
LTC1624
TH
R
R
FB
SENSE1
SENSE2
SW
/RUN
V
TG
IN
–
8
7
6
5
, 0.015
, 0.015
BOOST
C4, 0.1 F
M1 = INTERNATIONAL RECTIFIER IRL3803
R
* BOTH D1 AND M1 MOUNTED TO SAME
SW
V
SENSE1
CMDSH-3
TG
THERMALLOY #6399B HEAT SINK
1000pF
C
0.1 F
IN
B
D2
8
7
6
5
, R
SENSE2
C
0.1 F
B
= IRC LR2010-01-R015-F
0.1 F
V
C5
3.3 F
50V
OUT
3.6V TO 18V
M1*
V
D1*
IN
L1
R
0.05
SENSE
C7
3.3 F
50V
L1a*
+
+
C
2700 F
16V
OUT
M1
Si6426DQ
C
22 F
35V
IN
2
+
R5
220
22 F
35V
Z1
IN 755
MBRS130LT3
L1b*
D2
MBR0540
C9
0.1 F
D1
35.7k
1%
11k
1%
R2
R1
R2
100k
1%
+
C
100 F
16V
1624 F17
OUT
2
1624 F18
V
5V
1A
C10
220pF
OUT
V
12V
10A
OUT