TL594
% DT, PERCENT DEADTIME (EACH OUTPUT)
% DC, PERCENT DUTY CYCLE (EACH OUTPUT
20
18
16
14
12
10
8.0
6.0
4.0
2.0
0
500 k
1.0 k
10 k
100 k
500 k
0.01
mF
C
T
= 0.001
mF
50
40
2
30
20
10
0
1
V
CC
= 15 V
V
OC
= V
ref
1. C
T
= 0.01
mF
1.
R
T
= 10 kW
2. C
T
= 0.001
mF
1.
R
T
= 30 kW
0
1.0
2.0
3.0
3.5
f
osc
, OSCILLATOR FREQUENCY (Hz)
V
DT
, DEADTIME CONTROL VOLTAGE (IV)
Figure 5. Percent Deadtime versus
Oscillator Frequency
Figure 6. Percent Duty Cycle versus
Deadtime Control Voltage
1.9
V CE(sat) , SATURATION VOLTAGE (V)
V CE(sat) , SATURATION VOLTAGE (V)
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
0
100
200
300
400
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
I
E,
EMITTER CURRENT (mA)
0
100
200
300
400
I
C
, COLLECTOR CURRENT (mA)
Figure 7. Emitter−Follower Configuration
Output Saturation Voltage versus
Emitter Current
V TH , UNDERVOLTAGE LOCKOUT THRESHOLD (V)
Figure 8. Common−Emitter Configuration
Output Saturation Voltage versus
Collector Current
10
I CC , SUPPLY CURRENT (mA)
9.8
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0
0
5.0
10
15
20
25
30
35
40
6.0
Turn On
5.5
Turn Off
5.0
4.5
4.0
0
5.0
10
15
20
25
30
35
40
V
CC
, SUPPLY VOLTAGE (V)
I
L
, REFERENCE LOAD CURRENT (mA)
Figure 9. Standby Supply Current
versus Supply Voltage
Figure 10. Undervoltage Lockout Thresholds
versus Reference Load Current
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