LT1640L/LT1640H
TYPICAL APPLICATION
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
GND
R4
562k
1%
R5
9.09k
1%
R6
10k
1%
8
V
DD
3
UV
1
PWRGD
DRAIN
LT1640L
2
OV
V
EE
4
R1
0.02Ω
5%
– 48V
GATE
SENSE
5
C1
0.033µF
24V
6
7
C2
3.3nF
100V
C3
0.1µF
100V
V
IN+
R3
10k
5%
R2
10Ω
5%
V
OUT+
C4
0.1µF
100V
2
ON/OFF
1
PACKAGE DESCRIPTION
N8 Package
8-Lead PDIP (Narrow 0.300)
(LTC DWG # 05-08-1510)
0.400*
(10.160)
MAX
8
7
0.255
±
0.015*
(6.477
±
0.381)
1
0.300 – 0.325
(7.620 – 8.255)
2
0.045 – 0.065
(1.143 – 1.651)
0.009 – 0.015
(0.229 – 0.381)
0.065
(1.651)
TYP
0.125
(3.175) 0.020
MIN (0.508)
MIN
0.018
±
0.003
N8 1197
(0.457
±
0.076)
(
+0.035
0.325 –0.015
+0.889
8.255
–0.381
)
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)
RELATED PARTS
PART NUMBER
LTC
®
1421
LTC1422
LTC1643
DESCRIPTION
Dual Channel, Hot Swap Controller
High Side Drive, Hot Swap Controller in SO-8
PCI Hot Swap Controller
COMMENTS
Operates from 3V to 12V
System Reset Output with Programmable Delay
3.3V, 5V, 12V, – 12V Supplies for PCI Bus
1640lhf LT/TP 1198 4K • PRINTED IN USA
12
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408)432-1900
q
FAX: (408) 434-0507
q
www.linear-tech.com
U
U
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
IN–
pin of the module to prevent
noise from momentarily disabling the module.
LUCENT
JW050A1-E
V
IN+
V
OUT+
SENSE
+
9
8
7
6
5V
+
TRIM
–
LUCENT
FLTR100V10
V
IN
–
+
C5
100µF
100V
C6
0.1µF
100V
C7
100µF
16V
V
OUT
–
4
SENSE
V
IN
–
V
OUT–
CASE
3
5
CASE
1640 F14
Q1
IRF530
Figure 14. Typical Application Using a Filter Module
Dimensions in inches (millimeters) unless otherwise noted.
S8 Package
8-Lead Plastic Small Outline (Narrow 0.150)
(LTC DWG # 05-08-1610)
0.189 – 0.197*
(4.801 – 5.004)
8
7
6
5
5
6
0.228 – 0.244
(5.791 – 6.197)
0.150 – 0.157**
(3.810 – 3.988)
3
4
0.130
±
0.005
(3.302
±
0.127)
1
0.053 – 0.069
(1.346 – 1.752)
0°– 8° TYP
2
3
4
0.004 – 0.010
(0.101 – 0.254)
0.010 – 0.020
×
45°
(0.254 – 0.508)
0.008 – 0.010
(0.203 – 0.254)
0.016 – 0.050
0.406 – 1.270
0.014 – 0.019
(0.355 – 0.483)
0.050
(1.270)
TYP
SO8 0996
*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
©
LINEAR TECHNOLOGY CORPORATION 1998
LINER [ LINEAR TECHNOLOGY ]
