lt1339 Linear Technology Corporation, lt1339 Datasheet - Page 19

• Manufacturer Part Number: lt1339
• Description: High Power Synchronous Dc/dc Controller
• Manufacturer: Linear Technology Corporation

*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
TYPICAL APPLICATIONS
PACKAGE
(0.229 – 0.330)
NOTE:
1. PIN 1 IDENT, NOTCH ON TOP AND CAVITIES ON THE BOTTOM OF PACKAGES ARE THE MANUFACTURING OPTIONS.
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.010 INCH (0.254mm)
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
(7.620 – 8.255)
(0.229 – 0.381)
0.300 – 0.325
0.009 – 0.015
0.325
8.255
+0.889
–0.381
+0.035
–0.015
(0.254 – 0.737)
0.010 – 0.029
NOTE 1
(7.391 – 7.595)
0.291 – 0.299**
(0.406 – 1.270)
0.016 – 0.050
(0.508)
0.020
MIN
DESCRIPTION
+
45
C
1 F
(3.302 0.127)
0.130 0.005
5VREF
+
C
C
C
(3.175)
VC
SS
REF
0.125
MIN
, 10 F
, 1500pF
5V to 28V DC/DC Synchronous Boost Converter Limits Input Current at 60A (DC)
, 0.1 F
R
10k
R
R
R
CT
C
2200pF
FB2
FB1
VC
CT
0 – 8 TYP
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.
, 1.2k
, 7.5k
, 27k
2200pF
C
(2.362 – 2.642)
(0.127)
0.093 – 0.104
AVG
0.005
U
MIN
(2.540 0.254)
0.100 0.010
(1.270)
0.050
U
TYP
20-Lead Plastic Small Outline (Wide 0.300)
SYNC
5V
CT
SL/ADJ
I
SS
V
SGND
V
V
(0.356 – 0.482)
AVG
0.014 – 0.019
C
FB
REF
REF
(1.143 – 1.651)
0.045 – 0.065
TYP
LT1339
Dimensions in inches (millimeters) unless otherwise noted.
20-Lead PDIP (Narrow 0.300)
RUN/SHDN
SENSE
SENSE
V
PHASE
BOOST
PGND
12V
(LTC DWG # 05-08-1510)
(LTC DWG # 05-08-1620)
BG
TG
TS
IN
–
+
N Package
SW Package
12V
L1 = 12T 4X12 ON 77439-A7
+
+
DBST
MBR0530
CBST
1 F
C
1 F
12L
(0.457 0.076)
0.018 0.003
R
100k
R1
R
SS2
(0.940 – 1.143)
, 100
0.037 – 0.045
(0.102 – 0.305)
(1.651)
+
Q1
FMMT619
Q2
FMMT720
Q3
FMMT619
Q4
FMMT720
0.004 – 0.012
0.065
TYP
C
47 F
12VIN
100
(6.477 0.381)
R
0.255 0.015*
SS1
NOTE 1
D2
MBR0520
IRF3205
2
20
1
IRF3205
20
19
1
4
2
18
3
19
2
17
(12.598 – 13.005)
4
D1
IR30BQ060
+
2200 F
0.496 – 0.512*
18
8
3
0.002
16
C
2200 F
35V
6.3V
5
C
OUT
6
IN
4
R
17
15
4
S
6
+
14
L1
40 H
7
16
1339 TA04
(26.416)
5
V
28V
V
5V AT 60A
1.040*
OUT
IN
MAX
13
8
15
6
12
9
14
11
7
10
LT1339
13
sn1339 1339fas
8
(10.007 – 10.643)
S20 (WIDE) 0396
19
0.394 – 0.419
12
9
N20 1197
11
10