LTC1645 Linear Technology, LTC1645 Datasheet - Page 24

• Manufacturer Part Number: LTC1645
• Description: Dual-Channel Hot Swap Controller/Power Sequencer
• Manufacturer: Linear Technology

RELATED PARTS
TYPICAL APPLICATIO
PART NUMBER
LTC1421
LTC1422
LT1640L/LT1640H
LT1641
LTC1642
LTC1643L/LTC1643L-1/
LTC1643H
LTC1647
LTC1645
24
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone] www.linear-tech.com
3.3V
2.5V
V
V
IN1
IN2
BOTH CURRENT LIMITS: 5A
POINT:
1.37k
1%
1.18k
1%
TRIP
3V
DESCRIPTION
Hot Swap Controller
Hot Swap Controller
Negative Voltage Hot Swap Controllers
Positive Voltage Hot Swap Controller
Fault Protected Hot Swap Controller
PCI-Bus Hot Swap Controllers
Dual Hot Swap Controller
4.99k
1%
1.82k
1%
*WSL1206-01-1% (VISHAY DALE)
10
10k
4
U
ON
FAULT
V
CC1
0.01 *
14
Dual Supply Hot Swap with Tracking Outputs
TIMER
SENSE1
13
11
0.33 F
GATE1
(14-LEAD)
LTC1645
12
V
CC2
0.01 *
1
SENSE2
GND
2
7
1/2 Si4920DY
COMPOUT
GATE2
COMP
RESET
Q2
3
10
FB
1/2 Si4920DY
+
8
9
6
5
Q1
10
0.1 F
25V
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
1645 F15
D2
1N4002
D1
1N4002
1.18k
1%
1.37k
1%
D3
MBR0530T1
10k
LINEAR TECHNOLOGY CORPORATION 1999
1645f LT/TP 0400 4K • PRINTED IN USA
+
+
C
C
LOAD1
LOAD2
P RESET
V
3.3V
2.5A
V
2.5V
2.5A
OUT1
OUT2