LTC1421 LINER [Linear Technology], LTC1421 Datasheet - Page 23

• Manufacturer Part Number: LTC1421
• Description: Hot Swap Controller
• Manufacturer: LINER [Linear Technology]

PACKAGE
APPLICATIONS
(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
(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
**
0.005 – 0.009
(0.13 – 0.22)
*
DIMENSIONS DO NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
DIMENSIONS DO NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
DESCRIPTION
45
U
5V
3V
BACKPLANE
0.205 – 0.212**
(5.20 – 5.38)
INFORMATION
0.022 – 0.037
(0.55 – 0.95)
U
0 – 8 TYP
(2.362 – 2.642)
0.093 – 0.104
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.
PC BOARD
(1.270)
0.050
Figure 26. Power-Up and Power-Down Sequence Controller
TYP
(0.356 – 0.482)
W
0.014 – 0.019
U
+
0 – 8
TYP
S1
24-Lead Plastic Small Outline (Wide 0.300)
C1
1 F
16V
Dimensions in inches (millimeters) unless otherwise noted.
0.0256
(0.65)
BSC
24-Lead Plastic SSOP (0.209)
24
12
U
0.005
1
4
5
3
2
1W
R1
0.010 – 0.015
(LTC DWG # 05-08-1620)
(LTC DWG # 05-08-1640)
(0.25 – 0.38)
23
MTB50N06E
22
SW Package
Q1
G Package
21
1k
LTC1421
0.005
20
1W
R2
19
0.047 F
18
MTB50N06E
17
0.002 – 0.008
(0.05 – 0.21)
(0.940 – 1.143)
0.037 – 0.045
0.068 – 0.078
(1.73 – 1.99)
(0.102 – 0.305)
Q2
0.004 – 0.012
16
R3
1M
5%,1/8W
10
11
6
7
8
14
13
15
9
NOTE 1
C2
0.1 F
24V
24
1 2 3 4 5 6 7 8 9 10 11 12
24
1
LTC1421/LTC1421-2.5
23
R4
1k
5%
1/16W
+
22
23
2
21
0.318 – 0.328*
20
22
C5
0.1 F
24V
(8.07 – 8.33)
3
19
21
18 17 16 15 14 13
4
20 19
(15.190 – 15.600)
5
R5
330k
5%
1/16W
R6
200k
5%
1/16W
+
+
0.598 – 0.614*
6
C4
2200 F
16V
C4
2200 F
16V
18
7
1421 F26
RESET
G24 SSOP 0595
GND
17
V
8
0.301 – 0.311
CC
P
(7.65 – 7.90)
16
9
15
10
5V
8A
3V
8A
14
11
13
12
(10.007 – 10.643)
S24 (WIDE) 0996
0.394 – 0.419
23