MC34060A, MC33060A
http://onsemi.com
10
V
in
= 8.0V to 40V
50/50
+
0.01
47k
1.0M
0.01
4.7k
4.7k
150
390
4.7k
+
10/16V
4
4.7k
1
2
3
14
13
12
56
0.001
47k
7
8
9
10
47
75
Tip 32
150mH @ 2.0A
MR850
0.1
V
out
5.0V/1.0A
+
1000
6.3V
V
CC
+
-
Comp
+
-
V
ref
D
T
C
T
R
T
C
E
GND
MC34060A
Test Conditions Results
Line Regulation V
in
= 8.0 V to 40 V, I
O
= 1.0 A 25 mV 0.5%
Load Regulation V
in
= 12 V, I
O
= 1.0 mA to 1.0 A 3.0 mV 0.06%
Output Ripple V
in
= 12 V, I
O
= 1.0 A 75 mV pp P.A.R.D.
Short Circuit Current
V
in
= 12 V, R
L
= 0.1 W
1.6 A
Efficiency V
in
= 12 V, I
O
= 1.0 A 73%
Figure 19. StepDown Converter with SoftStart
and Output Current Limiting
MC34060A, MC33060A
http://onsemi.com
11
V
in
= 8.0V to 26V
50/35V
390
4
1
2
3
14
13
12
5
6
0.001
150mH @ 4.0A
V
out
+
-
Comp
+
-
V
ref
D
T
C
T
R
T
C
E
GND
MC34060A
47k
22k
0.05
33k
2.7M
3.9k
4.7k
7
8
9
10
20mH @ 1.0A
MR850
*
28V/
0.5A
300
0.1
470
Tip 111
+
470/
35V
470/
35V
*
++
4.7k
V
CC
Test Conditions Results
Line Regulation V
in
= 8.0 V to 26 V, I
O
= 0.5 A 40 mV 0.14%
Load Regulation V
in
= 12 V, I
O
= 1.0 mA to 0.5 A 5.0 mV 0.18%
Output Ripple V
in
= 12 V, I
O
= 0.5 A 24 mV pp P.A.R.D.
Efficiency V
in
= 12 V, I
O
= 0.5 A 75%
*Optional circuit to minimize output ripple
Figure 20. StepUp Converter
MC34060A, MC33060A
http://onsemi.com
12
V
in
= 8.0V to 40V
50/50V
+
0.01
47k
1.0M
0.01
10k
47k
820
4.7k
10/16V
4
1
2
3
14
13
12
56
47k
7
8
9
10
47
75
Tip 32C
1.0
V
out
V
CC
+
-
Comp
+
-
V
ref
D
T
C
T
R
T
C
E
GND
30k
MR851
20mH *
@ 1.0A
-15V/
0.25A
3.3k
150mH
@ 2.0A
+
+
*
330/
16V
0.001
7.5k
MC34060A 330/
16V
Test Conditions Results
Line Regulation V
in
= 8.0 V to 40 V, I
O
= 250 mA 52 mV 0.35%
Load Regulation V
in
= 12 V, I
O
= 1.0 to 250 mA 47 mV 0.32%
Output Ripple V
in
= 12 V, I
O
= 250 mA 10 mV pp P.A.R.D.
Short Circuit Current
V
in
= 12 V, R
L
= 0.1 W
330 mA
Efficiency V
in
= 12 V, I
O
= 250 mA 86%
*Optional circuit to minimize output ripple
Figure 21. StepUp/Down Voltage Inverting Converter
with SoftStart and Current Limiting

MC33060ADR2G

Mfr. #:
Manufacturer:
ON Semiconductor
Description:
Switching Controllers High Performance Voltage Mode PWM
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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