SLUS223C – APRIL 1997 – REVISED JUNE 2007
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OSCILLATOR SECTION
V
REF
8
R
T
R
T
/C
T
4
C
T
GROUND
5
t d −
ms
Deadtime vs C
T
(R
T
>5 kW)
30
10
3
1
0.3
1
1.72
For R
T
> 5 K f ~
R
T
C
T
2.2
4.7
10 22
C
T
− nF
47
100
RT − (k
W
)
30
100
Timing Resistance vs Frequency
10
3
100
1k
10 k
100 k
1M
f − Frequency − Hz
OUTPUT SATURATION CHARACTERISTICS
4
V
CC
= 15 V
3
Saturation Voltage − V
T
A
= 25°C
T
A
= −55°C
2
1
SOURCE SAT
(V
CC −
V
OH)
SINK SAT (V
OL
)
0
.01
.02
.03 .04 .05
.07 .1
.2
.3 .4 .5
.7
1
Output Current, Source or Sink − A
ERROR AMPLIFIER OPEN-LOOP FREQUENCY RESPONSE
80
0
Voltage Gain − dB
θ
40
−90
20
Av
0
−135
−180
10
100
1k
10 k
100 k
1M
10 M
f − Frequency − Hz
6
Phase Margin −
°
60
−45
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