Datasheet

 
  
 
SLVS423 A− MAY 2002 − REVISED SEPTEMBER 2002
2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
functional block diagram
_
+
_
+
OSC
PWM
Comparator 1
Error
Amplifier 1
To Internal
Circuitry
2.5 V
1.26 V
1 V
1 V
SCP
V
CC
GND
DTC1 DTC2
143
15
7
16
4
5
13
12
6
11
10
21
CTRT
OUT
1
OUT
2
8
V
CC
UVLO
and
SCP Latch
IN1+
IN1−
IN2+
IN2−
COMP1
COMP2
REF
1.8 V
1.2 V
SCP
Comparator 1
Voltage
REF
9
V
CC
0.65 V
0.65 V
1.27 V
PWM
Comparator 2
Error
Amplifier 2
SCP
Comparator 2