20
LT1575/LT1577
LINEAR TECHNOLOGY CORPORATION 1996
15757f LT/TP 0598 4K • PRINTED IN THE USA
LT1577 Split Plane System
TYPICAL APPLICATION
U
+
C2
330µF
6.3V
C3
0.33µF
C6
1500pF
R2
3.9k
R1
3.9Ω
R5
3.9Ω
C9 TO
C20*
1µF
Q1
IRFZ24
V
I/O
3.3V
C5
10pF
C8
1000pF
R6
7.5k
C7
10pF
1575/77 TA15
FAULT RESET
C4
1µF
12V
C1
330µF
6.3V
INPUT
5V
+
Q2
IRFZ24
*X7R CERAMIC 0805 CASE
C21 TO
C44*
1µF
V
CORE
2.8V
1
2
3
4
16
15
14
13
IPOS1
INEG1
GATE1
COMP1
SHDN1
V
IN1
GND1
OUT-3.3
1/2 LT1577
5
6
7
8
12
11
10
9
IPOS2
INEG2
GATE2
COMP2
SHDN2
V
IN2
GND2
OUT-2.8
1/2 LT1577
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear-tech.com
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