TOP232-234
t
2
t
1
HV
90%
90%
t
t
DRAIN
VOLTAGE
1
2
D =
10%
0 V
PI-2039-033001
Figure 31. Duty Cycle Measurement.
t
(Blanking Time)
LEB
120
100
80
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
I
@ 85 VAC
INIT(MIN)
60
I
@ 265 VAC
INIT(MIN)
40
I
I
@ 25 °C
@ 25 °C
LIMIT(MAX)
LIMIT(MIN)
Dynamic
Impedance
1
=
Slope
20
0
0
0
2
4
6
8
10
0
1
2
3
4
5
6
7
8
CONTROL Pin Voltage (V)
Time (us)
Figure 33. Drain Current Operating Envelope.
Figure 32. CONTROL Pin I-V Characteristic.
S1
470 Ω
5 W
100 kΩ
S3
5-50 V
40 V
0-60 kΩ
M
D
CONTROL
470 Ω
C
C
TOPSwitch-FX
S2
F
S
S4
0-15 V
47 µF
0.1 µF
NOTES: 1. This test circuit is not applicable for current limit or output characteristic measurements.
2. For P and G packages, short all SOURCE pins together.
PI-2538-040401
Figure 34. TOPSwitch-FX General Test Circuit.
B
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ETC [ ETC ]
