MC34060A MC33060A
Figure 9. Standby Supply Current
versus Supply Voltage
Figure 10. Undervoltage Lockout Thresholds
versus Reference Load Current
10
6.0
9.0
8.0
7.0
6.0
5.0
5.5
5.0
Turn On
Turn Off
4.0
3.0
2.0
4.5
4.0
1.0
0
0
5.0
10
15
20
25
30
35
40
0
5.0
10
15
20
25
30
35
40
I , REFERENCE LOAD CURRENT (mA)
V
, SUPPLY VOLTAGE (V)
L
CC
Figure 11. Error Amplifier Characteristics
Figure 12. Deadtime and Feedback Control
V
= 15V
CC
Error Amplifier
+
–
Under Test
150
2W
Ω
V
Dead–
Time
CC
V
in
Test
Inputs
Feedback
R
T
T
(+)
(–)
(+)
(–)
C
E
Output
Feedback
Terminal
(Pin 3)
C
Error
+
Ref
Out
V
–
Other Error
Amplifier
ref
50kΩ
Gnd
Figure 13. Common–Emitter Configuration
and Waveform
Figure 14. Emitter–Follower Configuration
and Waveform
15V
15V
C
R
L
68
Ω
Output
Transistor
V
C
C
E
V
E
C
15pF
Output
Transistor
L
E
C
15pF
R
L
L
68Ω
90%
90%
90%
90%
V
C
V
E
10%
10%
10%
10%
t
t
f
t
t
f
r
r
7
MOTOROLA ANALOG IC DEVICE DATA
MOTOROLA [ MOTOROLA ]
