top100 Power Integrations, Inc., top100 Datasheet - Page 14

• Manufacturer Part Number: top100
• Description: Three-terminal Off-line Pwm Switch
• Manufacturer: Power Integrations, Inc.

Figure 14. TOPSwitch General Test Circuit.
Figure 12. TOPSwitch Duty Cycle Measurement.
14
VOLTAGE
DRAIN
TOP100-4
E
7/96
0 V
HV
90%
NOTE: This test circuit is not applicable for current limit or output characteristic measurements.
TOPSwitch
CONTROL
SOURCE
t 1
DRAIN
10%
t 2
DC =
t 1
t 2
PI-1215-091794
90%
0.1 F
C1
TYPICAL CONTROL PIN I-V CHARACTERISTIC
Figure 13. TOPSwitch CONTROL Pin I-V Characteristic.
47 F
C2
120
100
80
60
40
20
0
0
S1
Impedance
Trigger Current (45 mA)
470
Dynamic
5 W
R1
Latched Shutdown
CONTROL Pin Voltage (V)
2
0-50 V
VS1
470
=
R2
Slope
1
4
S2
6
8
40 V
VS2
10
PI-1905-061396