LT1640 Linear Technology, LT1640 Datasheet - Page 12

• Manufacturer Part Number: LT1640
• Description: Negative Voltage Hot Swap Controller
• Manufacturer: Linear Technology

PACKAGE
LT1640L/LT1640H
TYPICAL
Using an EMI Filter Module
Many applications place an EMI filter module in the power
path to prevent switching noise of the module from being
injected back onto the power supply. A typical application
RELATED PARTS
12
PART NUMBER
LTC
LTC1422
LTC1643
®
*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
1421
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.010 INCH (0.254mm)
(7.620 – 8.255)
(0.229 – 0.381)
– 48V
0.300 – 0.325
0.009 – 0.015
GND
0.325
8.255
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone] www.linear-tech.com
9.09k
562k
10k
1%
1%
1%
R4
R5
R6
+0.889
–0.381
+0.035
–0.015
APPLICATION
3
2
8-Lead PDIP (Narrow 0.300)
UV
OV
DESCRIPTION
V
V
DESCRIPTION
Dual Channel, Hot Swap Controller
High Side Drive, Hot Swap Controller in SO-8
PCI Hot Swap Controller
DD
EE
(LTC DWG # 05-08-1510)
LT1640L
4
(6.477 0.381)
8
0.255 0.015*
0.02
(1.651)
0.065
5%
R1
TYP
(2.540 0.254)
PWRGD
0.100 0.010
DRAIN
SENSE
GATE
N8 Package
1
5
(1.143 – 1.651)
0.045 – 0.065
7
6
8
1
C1
0.033 F
24V
3.3nF
100V
C2
U
2
(10.160)
7
IRF530
0.400*
MAX
Figure 14. Typical Application Using a Filter Module
Q1
U
R3
10k
5%
R2
10
5%
6
3
Dimensions in inches (millimeters) unless otherwise noted.
4
5
(0.457 0.076)
0.018 0.003
(3.302 0.127)
0.130 0.005
(3.175)
0.125
MIN
C3
0.1 F
100V
(0.508)
0.020
MIN
N8 1197
V
V
FLTR100V10
IN
IN
LUCENT
+
–
CASE
V
V
OUT
OUT
+
–
using the Lucent FLTR100V10 filter module is shown in
Figure 14. When using a filter, a capacitor (C6) is required
across the enable pin and V
noise from momentarily disabling the module.
(0.203 – 0.254)
**
0.008 – 0.010
*
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
C4
0.1 F
100V
(0.254 – 0.508)
0.010 – 0.020
8-Lead Plastic Small Outline (Narrow 0.150)
+
0.016 – 0.050
0.406 – 1.270
COMMENTS
Operates from 3V to 12V
System Reset Output with Programmable Delay
3.3V, 5V, 12V, – 12V Supplies for PCI Bus
C5
100 F
100V
45
(LTC DWG # 05-08-1610)
C6
0.1 F
100V
0 – 8 TYP
(5.791 – 6.197)
S8 Package
0.228 – 0.244
1
2
4
IN
(1.346 – 1.752)
0.053 – 0.069
(0.355 – 0.483)
V
ON/OFF
V
0.014 – 0.019
–
IN
IN
LINEAR TECHNOLOGY CORPORATION 1998
JW050A1-E
+
–
pin of the module to prevent
LUCENT
1640lhf LT/TP 1198 4K • PRINTED IN USA
CASE
SENSE
SENSE
3
8
1
V
V
TRIM
OUT
OUT
(4.801 – 5.004)
0.189 – 0.197*
+
+
–
–
7
2
1640 F14
9
8
7
6
5
6
+
3
C7
100 F
16V
5
4
(1.270)
5V
(0.101 – 0.254)
0.050
0.004 – 0.010
TYP
SO8 0996
(3.810 – 3.988)
0.150 – 0.157**