LT1640HCS8 Linear Technology, LT1640HCS8 Datasheet - Page 16

• Manufacturer Part Number: LT1640HCS8
• Description: IC CONTRLR HOTSWAP NEGVOLT 8SOIC
• Manufacturer: Linear Technology
• Type: Hot-Swap Controllerr

Specifications of LT1640HCS8

• Applications: General Purpose
• Internal Switch(s): No
• Voltage - Supply: -10 V ~ -80 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Family Name: LT1640H
• Package Type: SOIC N
• Operating Supply Voltage (min): -10V
• Operating Supply Voltage (max): -80V
• Operating Temperature (min): 0C
• Operating Temperature (max): 70C
• Operating Temperature Classification: Commercial
• Product Depth (mm): 3.99mm
• Product Height (mm): 1.5mm
• Product Length (mm): 5mm
• Mounting: Surface Mount
• Pin Count: 8
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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
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LTC1645
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CompactPCI is a trademark of the PCI Industrial Computer Manufacturers Group
16
* DIODES INC. SMAT70A
– 48V
GND
(SHORT PIN)
®
1421
*
GND
9.09k
562k
10k
1%
1%
1%
R4
R5
R6
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone]
3
2
APPLICATION
UV
OV
V
V
3
DD
EE
4
8
DESCRIPTION
Dual Channel, Hot Swap Controller
High Side Drive, Hot Swap Controller in SO-8
–48V Hot Swap Controller in SO-8
48V Hot Swap Controller
Fault Protected Hot Swap Controller
PCI Hot Swap Controller
Dual Hot Swap Controller
CompactPCI
Dual Hot Swap Controller
Low Voltage Hot Swap Controller
–48V Hot Swap Controller in SO-8
–48V Hot Swap Controller in SOT-23
1
LT1640L
0.02
5%
R1
PWRGD
DRAIN
SENSE
2
GATE
1
4
5
TM
7
6
Hot Swap Controller
1N4148
C1
150nF
25V
3.3nF
100V
U
C2
IRF530
Figure 14. Typical Application Using a Filter Module
Q1
R3
18k
5%
R2
10
5%
www.linear.com
1N4003
C3
0.1 F
100V
V
V
FLTR100V10
MOC207
IN
IN
R7
51k
5%
LUCENT
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.
+
–
CASE
V
V
OUT
OUT
COMMENTS
Operates from 3V to 12V
System Reset Output with Programmable Delay
LT1640 Pin Compatible, Improved Drain Pin Ruggedness
Foldback Analog Current Limit
Operates Up to 16.5V, Protected to 33V
3.3V, 5V, 12V, – 12V Supplies for PCI Bus
Operates from 1.2V to 12V, Power Sequencing
3.3V, 5V Supplies, 1V Precharge, Local PCI Reset Logic
Dual ON Pins for Supplies from 3V to 15V
2.5V to 16.5V, Dual Level Circuit Breaker, Active Inrush Limiting
LT1640 Pin Compatible, Active Current Limiting
Active Current Limiting, Fast Circuit Breaker for Short-Circuit Faults
+
–
C4
0.1 F
100V
+
C5
100 F
100V
C6
0.1 F
100V
LINEAR TECHNOLOGY CORPORATION 1998
LT/TP 1101 1.5K REV B • PRINTED IN USA
1
2
4
V
ON/OFF
V
IN
IN
JW050A1-E
+
–
LUCENT
CASE
SENSE
SENSE
3
V
V
TRIM
OUT
OUT
+
+
–
–
1640 F14
9
8
7
6
5
+
1640lhfb
C7
100 F
16V
5V