TOP414GN Datasheet, PDF (12/16 Pages) Power Integrations, Inc. – Three-terminal DC to DC PWM Switch

TOP412/414
HV _90%
DRAIN
VOLTAGE
0V
t1
10%
TYPICAL CONTROL PIN I-V CHARACTERISTIC
t2
90%
DC = ^t1
t2
120
100
80
Latched Shutdown
Trigger Current (45 mA)
60
PI-1215-091794
40
Dynamic
Impedance
=
1
Slope
20
Figure 9. TOPSwitch Duty Cycle Measurement.
0
0
2
4
6
8
10
CONTROL Pin Voltage (V)
Figure 10. TOPSwitch CONTROL Pin I-V Characteristic.
D
TOPSwitch
CONTROL
C
S
C1
0.1 µF
C2
47 µF
R1
470 Ω
5W
S2
R2
470 Ω
S1
VS1
0-50 V
VS2
40 V
NOTES: 1. This test circuit is not applicable for current limit or output characteristic measurements.
2. For P package, short all SOURCE and SOURCE (HV RTN) pins together.
PI-2212-073098
Figure 11. TOPSwitch General Test Circuit.
12 A
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