MC33060A Motorola, MC33060A Datasheet - Page 10

• Manufacturer Part Number: MC33060A
• Description: (MC33060A / MC34060A) PRECISION SWITCHMODE PULSE WIDTH MODULATOR CONTROL CIRCUIT
• Manufacturer: Motorola

V in = 8.0V to 26V
10
50/35V
+
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
+
–
Comp
+
–
V ref
390
Figure 20. Step–Up Converter
MC34060A MC33060A
4
D T
V in = 8.0 V to 26 V, I O = 0.5 A
V in = 12 V, I O = 1.0 mA to 0.5 A
V in = 12 V, I O = 0.5 A
V in = 12 V, I O = 0.5 A
0.001
MC34060A
10
V CC
5
C T
Conditions
6
R T
Gnd
47k
C
E
9
8
7
150 H @ 4.0A
470
300
0.1
24 mV p–p P.A.R.D.
MOTOROLA ANALOG IC DEVICE DATA
5.0 mV 0.18%
40 mV 0.14%
Results
75%
Tip 111
MR850
+
470/35V
20 H @ 1.0A
*
+
470/35V
*
V out
28V/
0.5A