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LT1172CS8#PBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24
LT1170/LT1171/LT1172
16
117012fi
For more information www.linear.com/LT1170
Typical applicaTions
Forward Converter
1170/1/2 TA16
C1
2000
µF
C3
R4
R2
1.24k
V
IN
20V TO 30V
R3
LT1170
V
IN
V
SW
FB
V
C
1
N
D3
L1
25µH
C4
R6
330Ω
R5
1
Ω
C2
M
D2
D1
V
OUT
5V, 6A
T1
Q1
D4
R1
3.74k
GND
+
High Efficiency 5V Buck Converter
+
V
SW
FB
GND
V
IN
V
C
LT1170
+
C1
330µF
35V
C6
0.02µF
C4
0.1µF
R1
680Ω
C5
0.03µF
D1
MBR330p
C3
4.7µF
TANT
D2
1N4148
L1
50µH
R2*
0.013Ω
C2
390µF
16V
V
OUT
5V
3A**
+
×
MODE LOGIC
220pF
<0.3V = NORMAL MODE
>2.5V = SHUTDOWN
OPEN = BURST MODE
* R2 IS MADE FROM PC BOARD
COPPER TRACES.
** MAXIMUM CURRENT IS DETERMINED
BY THE CHOICE OF LT1070 FAMILY.
SEE APPLICATION SECTION.
V
IN
1170/1/2 TA17
OPTIONAL
OUTPUT
FILTER
100µF
16V
10µH
3A
+
V
C
GND
MODE
DIODE
V
OUT
V
LIM
V
+
LT1432
V
IN
LT1170/LT1171/LT1172
17
117012fi
For more information www.linear.com/LT1170
J8 Package
8-Lead CERDIP (Narrow .300 Inch, Hermetic)
(Reference LTC DWG # 05-08-1110)
J8 0801
.014 – .026
(0.360 – 0.660)
.200
(5.080)
MAX
.015 – .060
(0.381 – 1.524)
.125
3.175
MIN
.100
(2.54)
BSC
.300 BSC
(7.62 BSC)
.008 – .018
(0.203 – 0.457)
0 – 15
.005
(0.127)
MIN
.405
(10.287)
MAX
.220 – .310
(5.588 – 7.874)
1 2
3
4
8 7
6 5
.025
(0.635)
RAD TYP
.045 – .068
(1.143 – 1.650)
FULL LEAD
OPTION
.023 – .045
(0.584 – 1.143)
HALF LEAD
OPTION
CORNER LEADS OPTION
(4 PLCS)
.045 – .065
(1.143 – 1.651)
NOTE: LEAD DIMENSIONS APPLY TO SOLDER DIP/PLATE
OR TIN PLATE LEADS
K Package
4-Lead TO-3 Metal Can
(Reference LTC DWG # 05-08-1311)
K4(TO-3) 0801
72°
18°
.490 – .510
(12.45 – 12.95)
R
.470 TP
P.C.D.
.167 – .177
(4.24 – 4.49)
R
.151 – .161
(3.84 – 4.09)
DIA 2 PLC
.655 – .675
(16.64 – 19.05)
1.177 – 1.197
(29.90 – 30.40)
.038 – .043
(0.965 – 1.09)
.060 – .135
(1.524 – 3.429)
.320 – .350
(8.13 – 8.89)
.420 – .480
(10.67 – 12.19)
.760 – .775
(19.30 – 19.69)
(OBSOLETE PACKAGE)
package DescripTion
Please refer to http://www.linear.com/product/LT1170#packaging for the most recent package drawings.
LT1170/LT1171/LT1172
18
117012fi
For more information www.linear.com/LT1170
package DescripTion
Please refer to http://www.linear.com/product/LT1170#packaging for the most recent package drawings.
N8 REV I 0711
.065
(1.651)
TYP
.045 – .065
(1.143 – 1.651)
.130 ±.005
(3.302 ±0.127)
.020
(0.508)
MIN
.018 ±.003
(0.457 ±0.076)
.120
(3.048)
MIN
.008 – .015
(0.203 – 0.381)
.300 – .325
(7.620 – 8.255)
.325
+.035
–.015
+0.889
–0.381
8.255
( )
1 2
3
4
8 7 6
5
.255 ±.015*
(6.477 ±0.381)
.400*
(10.160)
MAX
NOTE:
1. DIMENSIONS ARE
INCHES
MILLIMETERS
*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED .010 INCH (0.254mm)
.100
(2.54)
BSC
N Package
8-Lead PDIP (Narrow .300 Inch)
(Reference LTC DWG # 05-08-1510 Rev I)
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24

LT1172CS8#PBF

Mfr. #:
Buy LT1172CS8#PBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators 1.25A Pwr Sw Reg 100kHz
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
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