DPA422 View Datasheet(PDF) - Power Integrations, Inc
Part Name
Description
MFG CO.
DPA422
Power Integrations, Inc
'DPA422' PDF : 34 Pages View PDF
DPA422-426
t2
t1
HV
90%
90%
DRAIN
VOLTAGE
10%
0V
Figure 30. Duty Cycle Measurement.
D=
t1
t2
PI-2039-033001
120
100
80
60
40
Dynamic
Impedance
=
1
Slope
20
0
0
2
4
6
8
10
CONTROL Pin Voltage (V)
Figure 31. CONTROL Pin I-V Characteristic.
1.4
tLEB (Blanking Time) +
tIL(D) (Current Limit Delay)
1.2
1
0.8
0.6
0.4
Temperature Range:
-40 °C to 125 °C
0.2
0
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2
Time (µs)
Figure 32. Typical Drain Operation Current Envelope.
S1
470 Ω
5W
0-200 kΩ
40 V
0-15 V
5-50 V
470 Ω
S2
47 µF 0.1 µF
L
D
CONTROL
C
C DPA-Switch
S4
F XS
S3
0-70 kΩ
NOTE: This test circuit is not applicable for current limit or output characteristic measurements.
Figure 33. DPA-Switch General Test Circuit.
PI-2860-050602
26
Rev. T 12/12
www.powerint.com
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