24
LTC1645
1645fa
LT/TP 0404 1K REV A • PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 1999
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PART NUMBER DESCRIPTION COMMENTS
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®
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Current Control
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
Q1
1/2 Si4920DY
Q2
1/2 Si4920DY
0.01Ω*
0.01Ω*
10Ω
10Ω
1.18k
1%
10k
1.37k
1%
0.1µF
25V
0.33µF
*WSL1206-01-1% (VISHAY DALE)
C
LOAD1
C
LOAD2
D1
1N4002
D3
MBR0530T1
D2
1N4002
1
2
3
8
9
6
5
11
7
13 1214
BOTH CURRENT LIMITS: 5A
10
4
V
CC1
ON
FAULT
TIMER GND
SENSE1 GATE2GATE1
V
CC2
TRIP
POINT:
3V
V
IN1
3.3V
V
IN2
2.5V
V
OUT1
3.3V
2.5A
V
OUT2
2.5V
2.5A
µP RESET
LTC1645
(14-LEAD)
COMP
+
COMPOUT
FB
SENSE2
1645 F15
RESET
+
+
1.18k
1%
4.99k
1%
10k
1.37k
1%
1.82k
1%
Dual Supply Hot Swap with Tracking Outputs
TYPICAL APPLICATIO
U
