LT1371CSW Linear Technology, LT1371CSW Datasheet - Page 15

• Manufacturer Part Number: LT1371CSW
• Description: IC SWTCHNG REG 3A HI-EFF 20-SOIC
• Manufacturer: Linear Technology
• Type: Step-Down (Buck), Step-Up (Boost), Inverting, Cuk, Flyback, Forward Converterr

Specifications of LT1371CSW

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.25 ~ 35 V
• Current - Output: 3A
• Frequency - Switching: 500kHz
• Voltage - Input: 2.7 ~ 25 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC (0.300", 7.50mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

PACKAGE
(1.524)
0.060
HATCHED AREA IS SOLDER PLATED
BOTTOM VIEW OF DD PAK
COPPER HEAK SINK
(0.229 – 0.330)
NOTE:
1. PIN 1 IDENT, NOTCH ON TOP AND CAVITIES ON THE BOTTOM OF PACKAGES ARE THE MANUFACTURING OPTIONS.
0.009 – 0.013
**
*
THE PART MAY BE SUPPLIED WITH OR WITHOUT ANY OF THE OPTIONS
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
(6.502)
(7.620)
0.256
0.300
DESCRIPTION
(1.905)
(1.524)
(0.254 – 0.737)
0.060
0.075
0.010 – 0.029
NOTE 1
(4.648)
(7.391 – 7.595)
0.183
0.291 – 0.299**
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.
(0.406 – 1.270)
0.016 – 0.050
45
U
(1.524)
20-Lead Plastic Small Outline (Wide 0.300)
0.060
TYP
3.632
0.143
(8.382 – 9.398)
0.330 – 0.370
Dimensions in inches (millimeters) unless otherwise noted.
+0.305
–0.508
+0.012
–0.020
0 – 8 TYP
(LTC DWG # 05-08-1462)
7-Lead Plastic DD Pak
(LTC DWG # 05-08-1620)
NOTE 1
(2.362 – 2.642)
SW Package
0.093 – 0.104
R Package
(1.270)
0.050
TYP
(0.660 – 0.914)
0.026 – 0.036
20
1
(0.356 – 0.482)
0.014 – 0.019
19
2
TYP
18
(9.906 – 10.541)
(1.016 – 1.524)
3
0.040 – 0.060
0.390 – 0.415
17
(12.598 – 13.005)
4
15 TYP
0.496 – 0.512*
16
5
15
6
14
7
(4.191 – 4.572)
0.165 – 0.180
13
8
(0.330 – 0.584)
0.013 – 0.023
(1.499)
12
0.059
9
TYP
11
10
(0.940 – 1.143)
0.037 – 0.045
(0.102 – 0.305)
0.004 – 0.012
(10.007 – 10.643)
0.394 – 0.419
S20 (WIDE) 0695
(1.143 – 1.397)
0.045 – 0.055
0.102
0.004
(2.413 – 2.921)
0.095 – 0.115
(1.270 0.305)
0.050 0.012
+0.203
–0.102
+0.008
–0.004
R (DD7) 0695
LT1371
15