mc34060a ON Semiconductor, mc34060a Datasheet - Page 11

• Manufacturer Part Number: mc34060a
• Description: Fixed Frequency, Pwm, Voltage Mode Single Ended Controllers
• Manufacturer: ON Semiconductor

V
50/35V
in
= 8.0V to 26V
+
4.7k
*Optional circuit to minimize output ripple
Line Regulation
Load Regulation
Output Ripple
Efficiency
33k
2.7M
3.9k
0.05
Test
22k
14
13
12
1
2
3
4.7k
Figure 20. Step−Up Converter
+
−
Comp
+
−
V
390
ref
4
V
V
V
V
D
in
in
in
in
T
0.001
http://onsemi.com
MC34060A
= 8.0 V to 26 V, I
= 12 V, I
= 12 V, I
= 12 V, I
10
V
5
C
CC
T
Conditions
6
O
O
O
R
11
= 1.0 mA to 0.5 A
= 0.5 A
= 0.5 A
T
GND
47k
C
E
O
9
8
7
= 0.5 A
150mH @ 4.0A
470
24 mV p−p P.A.R.D.
300
0.1
5.0 mV 0.18%
40 mV 0.14%
Results
75%
Tip 111
MR850
+
470/
35V
20mH @ 1.0A
*
+
470/
35V
V
28V/
0.5A
out
*