TOP242 Power Integrations Inc., TOP242 Datasheet - Page 40

• Manufacturer Part Number: TOP242
• Description: Family Extended Power/ Design Flexible/Integrated Off-line Switcher
• Manufacturer: Power Integrations Inc.

Figure 53. TOPSwitch-GX General Test Circuit.
40
TOP242-249
Figure 51. CONTROL Pin I-V Characteristic.
NOTES: 1. This test circuit is not applicable for current limit or output characteristic measurements.
E
7/01
120
100
40 V
0-15 V
80
60
40
20
0
S1
2. For P and G packages, short all SOURCE pins together.
0
Impedance
Dynamic
CONTROL Pin Voltage (V)
August 8, 2000
2
470 Ω
=
Slope
1
470 Ω
4
5 W
Y or R Package (X and L Pin)
S2
Figure 50. Duty Cycle Measurement.
47 µF
6
VOLTAGE
DRAIN
5-50 V
8
0.1 µF
0 V
HV
0-100 kΩ
90%
10
t 1
10%
S4
Figure 52. Drain Current Operating Envelope.
t 2
C
0-60 kΩ
1.3
1.2
1.1
1.0
0.9
0.8
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
CONTROL
D =
0
S3
L
F
t 1
t 2
1
X
t LEB (Blanking Time)
PI-2039-033001
90%
C
D
S
I INIT(MIN) @ 265 VAC
I INIT(MIN) @ 85 VAC
2
I LIMIT(MAX) @ 25 °C
I LIMIT(MIN) @ 25 °C
TOPSwitch-GX
3
Time (µs)
0-100 kΩ
4
5-50 V
P or G Package (M Pin)
5
6
7
0-60 kΩ
S5
8
PI-2631-033001
M