25
LTC1624
TYPICAL APPLICATIONS
U
Figure 20. 12V to 24V/5A Boost Converter
+
SENSE
I
TH
/RUN
V
FB
GND
V
IN
BOOST
TG
SW
LTC1624
C3
100pF
C4
1500pF
C
IN
100µF
16V
V
IN
9V TO
15V
V
OUT
24V
5A
D1*
C
B
0.1µF
C5
0.1µF
8
7
6
5
1
2
3
4
R2, 1M, 1%
R
SENSE
0.005, 5%
R1
52.3k
R5
750
0.5W
R
C
27k
C
C
4700pF
M1*
C
OUT1
1000µF
35V
+
C
OUT2
1000µF
35V
Z1
IN755
7.5V
L1
10µH
1624 F20
C
IN
= KEMET T495X107M016AS
C
OUT1
, C
OUT2
= SANYO 35MV 1000GX
D1 = MOTOROLA MBR2535CT
L1 = MAGNETICS CORE #55930AZ WINDING = 8T#14BIF
M1 = INTERNATIONAL RECTIFIER IRL 3803
R
SENSE
= IRC OAR-3, 0.005, 5%
+
*BOTH D1 AND Q1 MOUNTED ON
THERMALLOY MODEL 6399 HEAT SINK
+
SENSE
I
TH
/RUN
V
FB
GND
V
IN
BOOST
TG
SW
LTC1624
C3
100pF
C
IN
22µF
35V
V
IN
20V TO
32V
D1
C
B
0.1µF
C5
0.1µF
8
7
6
5
1
2
3
4
R2, 1M, 1%
R
SENSE
0.025
R1
13.3k
R
C
6.8k
C
C
820pF
M1
C
OUT
100µF
100V
L1
47µH
V
OUT
90V
0.5A
1624 F19
C
IN
= KEMET T495X226M035AS
C
OUT
= SANYO 100MV100GX
D1 = MOTOROLA MBRS1100
L1 = COILCRAFT D05022P-473
M1 = INTERNATIONAL RECTIFIER IRL 540NS
R
SENSE
= IRC LR2010-01-R025-F
+
Figure 19. 24V to 90V at 0.5A Boost Converter
26
LTC1624
TYPICAL APPLICATIONS
U
SENSE
I
TH
/RUN
V
FB
GND
V
IN
BOOST
TG
SW
LTC1624
C4
100pF
C
IN1
, C
IN2
22µF
35V
× 2
V
IN
13V TO
28V
+V
IN
D1
MBRS340
C
B
0.1µF
C10
0.1µF
C11
0.1µF
C12
1µF
C9
100pF
C13
0.1µF
+V
IN
C5, 0.1µF
8
7
6
5
1
2
3
4
R
SENSE
0.033
R1
3.92k
R6
10k
R7
56k
R8
1M
CURRENT
ADJ
R2
35.7k
R
C
10k
C
C
330pF
M1
C
OUT
100µF
16V
× 2
L1
27µH
R4
0.025
V
OUT
12V
3A
1624 F21
C
IN1
, C
IN2
= KEMET T495X226M035AS
L1 = SUMIDA CDRH127-270
R
SENSE
= IRC LR2010-01-R033-F
R4 = IRC LR2010-01-R025-F
M1 = SILICONIX Si4412DY
Q2 = MOTOROLA MMBT A14
C14, 0.01µF
+
SENSE
I
OUT
GND
IN
AVE
PROG
V
CC
+IN
1
2
3
4
8
7
6
5
LTC1620
OUT
NC/ADJ
GND
NC
IN
NC
NC
SHDN
1
2
3
4
8
7
6
5
LT1121-5
+
Q2
Figure 21. 12V/3A Adjustable Current Power Supply for Battery Charger or Current Source Applications
27
LTC1624
TYPICAL APPLICATIONS
U
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
1
2
3
4
0.150 – 0.157**
(3.810 – 3.988)
8
7
6
5
0.189 – 0.197*
(4.801 – 5.004)
0.228 – 0.244
(5.791 – 6.197)
0.016 – 0.050
0.406 – 1.270
0.010 – 0.020
(0.254 – 0.508)
× 45°
0°– 8° TYP
0.008 – 0.010
(0.203 – 0.254)
SO8 0996
0.053 – 0.069
(1.346 – 1.752)
0.014 – 0.019
(0.355 – 0.483)
0.004 – 0.010
(0.101 – 0.254)
0.050
(1.270)
TYP
DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH 
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD 
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
*
**
PACKAGE DESCRIPTION
U
Dimensions in inches (millimeters) unless otherwise noted.
S8 Package
8-Lead Plastic Small Outline (Narrow 0.150)
(LTC DWG # 05-08-1610)
Figure 22. High Current 3.3V/6.5A Converter
+
+
SENSE
I
TH
/RUN
V
FB
GND
V
IN
BOOST
TG
SW
LTC1624
1000pF
0.1µF
100pF
C
C
680pF
R
C
3.3k
D1
MBRD835L
C
B
0.1µF
8
7
6
5
1
2
3
4
R2
35.7k
1%
R1
20k
1%
C
OUT
100µF
10V
× 3
M1**
L1*
8µH
R
SENSE
0.015
C
IN
22µF
35V
× 3
V
OUT
3.3V
6.5A
V
IN
4.8V TO 28V
1624 F22
* PANASONIC 12TS-7ROLB
** SILICONIX SUD50N03-10

LTC1624IS8#TRPBF

Mfr. #:
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators Hi Eff SO-8 N-Ch Sw Reg Cntr
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union