mb3776apnf Fujitsu Microelectronics, Inc., mb3776apnf Datasheet - Page 3

• Manufacturer Part Number: mb3776apnf
• Description: Switching Regulator Controller
• Manufacturer: Fujitsu Microelectronics, Inc.

CTL
-
FB
IN
BLOCK DIAGRAM
1
8
2
Error Amp.
0.5 V
reference voltage
-
+
Internal bias &
Reference
V
X 100
voltage
CC
3
1.25 V
36 k
0.6 V
0.1 V
470
GND
6
OSC
7
D. T. C. ( 0.6 V)
P. W. M. Comp
-
+
+
0.1 V
Saw-tooth
waveform
Output drive
control
I
S
MB3776A
I
B
I
s
30 k
5
4
OUT
I
B
3