LT1339 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LT1339' PDF : 20 Pages View PDF
LT1339
TYPICAL APPLICATIONS
5V to 28V DC/DC Synchronous Boost Converter Limits Input Current at 60A (DC)
12V
DBST
MBR0530
C12VIN
47µF
COUT
2200µF
35V
×6
VOUT
28V
C5VREF
1µF
RCT
10k
CCT
CAVG
2200pF 2200pF
CSS, 10µF
CVC, 1500pF
RVC, 7.5k
RFB1, 27k
CREF, 0.1µF
RFB2, 1.2k
SYNC
VBOOST
5VREF
CT
SL/ADJ
TG
TS
12VIN
IAVG LT1339
SS
BG
VC
SGND
VFB
VREF
PGND
PHASE
RUN/SHDN
SENSE–
SENSE+
CBST
1µF
Q1
FMMT619
Q2
FMMT720
IRF3205
×2
D1
Q3
IR30BQ060
C12L
FMMT619
×8
1µF
IRF3205
×4
Q4
D2
L1
FMMT720
MBR0520
40µH
RR1
100k
RSS2, 100Ω
RSS1
100Ω
L1 = 12T 4X12 ON 77439-A7
RS
0.002Ω
CIN
2200µF
6.3V
×4
VIN
5V AT 60A
1339 TA04
PACKAGE DESCRIPTION Dimensions in inches (millimeters) unless otherwise noted.
N Package
20-Lead PDIP (Narrow 0.300)
(LTC DWG # 05-08-1510)
0.300 – 0.325
(7.620 – 8.255)
0.130 ± 0.005
(3.302 ± 0.127)
0.045 – 0.065
(1.143 – 1.651)
0.009 – 0.015
(0.229 – 0.381)
0.020
(0.508)
MIN
+0.035
0.325 –0.015
( ) 8.255
+0.889
–0.381
0.125
(3.175)
MIN
0.005
(0.127)
MIN
0.100 ± 0.010
(2.540 ± 0.254)
*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.010 INCH (0.254mm)
0.065
(1.651)
TYP
0.255 ± 0.015*
(6.477 ± 0.381)
0.018 ± 0.003
(0.457 ± 0.076)
1.040*
(26.416)
MAX
20 19 18 17 16 15 14 13 12 11
1 2 3 4 5 6 7 8 9 10
N20 1197
0.291 – 0.299**
(7.391 – 7.595)
0.010
(0.254
–
–
0.029
0.737)
×
45°
SW Package
20-Lead Plastic Small Outline (Wide 0.300)
(LTC DWG # 05-08-1620)
0.093 – 0.104
(2.362 – 2.642)
0.037 – 0.045
(0.940 – 1.143)
0.496 – 0.512*
(12.598 – 13.005)
20 19 18 17 16 15 14 13 12 11
0° – 8° TYP
0.050
0.009 – 0.013
(0.229 – 0.330)
NOTE 1
0.016 – 0.050
(1.270)
TYP
0.014 – 0.019
NOTE:
(0.406 – 1.270)
(0.356 – 0.482)
TYP
1. PIN 1 IDENT, NOTCH ON TOP AND CAVITIES ON THE BOTTOM OF PACKAGES ARE THE MANUFACTURING OPTIONS.
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
NOTE 1
0.004 – 0.012
(0.102 – 0.305)
0.394 – 0.419
(10.007 – 10.643)
1 2 3 4 5 6 7 8 9 10
S20 (WIDE) 0396
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.
19
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