DPA422-426
t
2
t
1
HV
90%
90%
t
t
DRAIN
VOLTAGE
1
2
D =
10%
0 V
PI-2039-033001
Figure 30. Duty Cycle Measurement.
1.4
120
100
80
t
t
(Blanking Time) +
(Current Limit Delay)
LEB
IL(D)
1.2
1
0.8
0.6
0.4
0.2
60
40
Dynamic
=
1
Temperature Range:
-40 °C to 125 °C
Impedance
Slope
20
0
0
0
0.2 0.4 0.6 0.8
1 1.2 1.4 1.6 1.8 2
0
2
4
6
8
10
Time (µs)
CONTROL Pin Voltage (V)
Figure 32. Typical Drain Operation Current Envelope.
Figure 31. CONTROL Pin I-V Characteristic.
S1
470 Ω
5 W
0-200 kΩ
5-50 V
40 V
L
D
CONTROL
470 Ω
C
C
DPA-Switch
S2
F
X
S
S4
0-15 V
S3
47 µF
0.1 µF
0-70 kΩ
NOTE: This test circuit is not applicable for current limit or output characteristic measurements.
PI-2860-050602
Figure 33. DPA-Switch General Test Circuit.
26
Rev. T 12/12
www.powerint.com
POWERINT [ Power Integrations ]
