LT3572
6
3572fa
BLOCK DIAGRAM
18
7
OUTA
V
OUT
PWMA
10
SHDN
Q2
Q3
19
OUTA
Q4
Q5
17
OUTB
Q6
Q7
16
6
OUTB
PWMB
4
RT
3
SYNC
15
14
PGOOD
Q8
Q9
8
OSCILLATOR
START-UP/
INTERNAL BIAS
–
+
–
+
–
+
A2
A4
A6
A3
A1
A5
–
+
A7
1.225V
95%/85%
S
Q1
R
Q
R
C
R5
R3
R2
R1
R4
C
C
C2
C1
3572 F01
L1
D1
Q10
SS
13
FB
9
GND
1
SW
2
V
IN
V
OUT
20
GND
21
GND
5
GND
11
SHDNA
12
SHDNB
Figure 1. Block Diagram
