LTC1645IS(RevA) 查看數據表（PDF） - Linear Technology
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LTC1645IS Datasheet PDF : 24 Pages
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LTC1645
TYPICAL APPLICATIO
Dual Supply Hot Swap with Tracking Outputs
BOTH CURRENT LIMITS: 5A
VIN1
3.3V
0.01Ω*
VIN2
2.5V
Q1
1/2 Si4920DY
Q2
10Ω
0.01Ω* 1/2 Si4920DY
D1
1N4002
D2
1N4002
10k
10Ω
TRIP
POINT:
3V
4.99k
1%
1.82k
1%
1.18k
1%
1.37k
1%
14 13
12
12
3
VCC1 SENSE1 GATE1 VCC2 SENSE2 GATE2
10
ON
COMP+ 8
4
FAULT
TIMER
LTC1645
(14-LEAD)
9
COMPOUT
6
FB
5
RESET
GND
11
7
0.33µF
0.1µF
25V
1.18k
1%
1.37k
1%
+
D3
MBR0530T1
+
VOUT1
3.3V
2.5A
CLOAD1
VOUT2
2.5V
2.5A
CLOAD2
10k
µP RESET
*WSL1206-01-1% (VISHAY DALE)
1645 F15
RELATED PARTS
PART NUMBER
DESCRIPTION
LTC1421
Hot Swap Controller
LTC1422
Hot Swap Controller
LT®1640AL/LT1640AH
Negative Voltage Hot Swap Controllers
LT1641-1/LT1641-2
Positive Voltage Hot Swap Controllers
LTC1642
Fault Protected Hot Swap Controller
LTC1643AL/LTC1643AL-1/ PCI-Bus Hot Swap Controllers
LTC1643AH
LTC1647
Dual Hot Swap Controller
LTC2921/LTC2922
Power Supply Tracker with Input Monitors
LTC2923
Power Supply Sequencing/Tracking Controller
LTC4211
Single Channel Hot Swap Controller
LT4220
Dual Supply Hot Swap Controller
LTC4230
Triple Hot Swap Controller with Multifunction
Current Control
COMMENTS
Dual Supplies from 3V to 12V, Additionally – 12V
Single Supply Hot Swap in SO-8 from 3V to 12V
Negative High Voltage Supplies from –10V to – 80V
Positive High Voltage Supplies From 9V to 80V
3V to 15V, Overvoltage Protection Up to 33V
3.3V, 5V, 12V, –12V Supplies for PCI Bus
Dual ON Pins for Supplies from 3V to 15V
Includes 3 (LTC2921) or 5 (LTC2922) Remote Sense Switches
Controls Two Supplies Without FETs, Tracks Up and Down
8-Pin or 10-Pin with Overvoltage and Overcurrent Protection
±2.7V to ±16.5V, Supply Tracking Mode
1.7V to 16.5V, Active Inrush Limiting, Fast Comparator
24 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 q FAX: (408) 434-0507 q www.linear.com
1645fa
LT/TP 0404 1K REV A • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 1999
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