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LT1640ALIN8 数据表(PDF) 16 Page - Linear Technology

部件名 LT1640ALIN8
功能描述  Negative Voltage Hot Swap Controller
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LT1640ALIN8 数据表(HTML) 16 Page - Linear Technology

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LT1640AL/LT1640AH
©LINEAR TECHNOLOGY CORPORATION 2001
1640alahf LT/TP 0501 4K • PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408)432-1900 q FAX:(408)434-0507 q www.linear-tech.com
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
using the Lucent FLTR100V10 filter module is shown in
Figure 14. When using a filter, an optoisolator is required
to prevent common mode transients from destroying the
PWRGD and ON/OFF pins.
PART NUMBER
DESCRIPTION
COMMENTS
LTC
®1421
Dual Channel, Hot Swap Controller
Operates from 3V to 12V
LTC1422
Hot Swap Controller in SO-8
System Reset Output with Programmable Delay, 3V to 12V
LT1641
Positive 48V Hot Swap Controller in SO-8
Foldback Analog Current Limit
LTC1642
Fault Protected Hot Swap Controller
Operates Up to 16.5V, Protected to 33V
LTC1643
PCI Hot Swap Controller
3.3V, 5V, 12V, – 12V Supplies for PCI Bus
LTC1645
Dual Hot Swap Controller
Operates from 1.2V to 12V, Power Sequencing
LTC1646
CompactPCI
TM Hot Swap Controller
3.3V, 5V Supplies, 1V Precharge, Local PCI Reset Logic
LTC1647
Dual Hot Swap Controller
Dual ON Pins for Supplies from 3V to 15V
CompactPCI is a trademark of the PCI Industrial Computer Manufacturers Group
RELATED PARTS
+
VEE
VDD
LT1640AL
PWRGD
SENSE
C1
150nF
25V
C2
3.3nF
100V
C3
0.1
µF
100V
C4
0.1
µF
100V
C6
0.1
µF
100V
C5
100
µF
100V
C7
100
µF
16V
Q1
IRF530
R2
10
5%
R3
18k
5%
R7
51k
5%
R4
562k
1%
R5
9.09k
1%
R6
10k
1%
R1
0.02
5%
4
OV
GND
GND
3
2
– 48V
UV
5
6
8
7
1
GATE
DRAIN
LUCENT
JW050A1-E
VOUT
+
SENSE +
TRIM
SENSE
VOUT
VIN
+
9
5V
1640A F14
8
7
6
5
3
1
2
4
ON/OFF
CASE
VIN
VOUT
+
VOUT
VIN
+
CASE
VIN
+
LUCENT
FLTR100V10
(SHORT PIN)
*
* DIODES INC. SMAT70A
4
3
2
1
4N25
Figure 14. Typical Application Using a Filter Module


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