TOP200 Power Integrations Inc., TOP200 Datasheet - Page 13

• Manufacturer Part Number: TOP200
• Description: Three-terminal Off-line PWM Switch
• Manufacturer: Power Integrations Inc.

NOTES:
1. For specifications with negative values, a negative temperature coefficient corresponds to an increase in
2. It is possible to start up and operate TOPSwitch at DRAIN voltages well below 36 V. However, the CONTROL pin
Figure 12. TOPSwitch Duty Cycle Measurement.
Figure 14. TOPSwitch General Test Circuit.
VOLTAGE
magnitude with increasing temperature, and a positive temperature coefficient corresponds to a decrease in
magnitude with increasing temperature.
charging current is reduced, which affects start-up time and auto-restart frequency and duty cycle. Refer to the
characteristic graph on CONTROL pin charge current (I
characteristics.
DRAIN
0 V
HV
NOTE: This test circuit is not applicable for current limit or output characteristic measurements.
90%
TOPSwitch
CONTROL
SOURCE
t 1
DRAIN
10%
t 2
DC =
t 1
t 2
PI-1215-091794
90%
0.1 F
C
) vs. DRAIN voltage for low voltage operation
Figure 13. TOPSwitch CONTROL Pin I-V Characteristic.
TYPICAL CONTROL PIN I-V CHARACTERISTIC
47 F
120
100
80
60
40
20
0
S1
470
0
5 W
Impedance
Trigger Current (45 mA)
Dynamic
Latched Shutdown
CONTROL Pin Voltage (V)
0-50 V
470
2
=
Slope
1
S2
4
6
TOP200-4/14
8
40 V
PI-1126-041994
10
7/96
D
13