top267vg-tl Power Integrations, Inc., top267vg-tl Datasheet - Page 29

• Manufacturer Part Number: top267vg-tl
• Description: Integrated Off-line Switcher With Ecosmart Technology For Highly Effcient Power Supplies
• Manufacturer: Power Integrations, Inc.

Figure 33. TOPSwitch-JX General Test Circuit.
www.powerint.com
Figure 31. CONTROL Pin I-V Characteristic.
120
100
80
60
40
20
0
5
CONTROL Pin Voltage (V)
NOTES: 1. This test circuit is not applicable for current limit or output characteristic measurements.
6
40 V
0-15 V
S1
Figure 30. Duty Cycle Measurement.
Impedance
Dynamic
7
VOLTAGE
DRAIN
470 Ω
=
0 V
HV
8
Slope
1
470 Ω
90%
5 W
S2
47 µF
9
5-50 V
(X and V Pins)
t 1
10%
0.1 µF
0-300 kΩ
t 2
Figure 32. Drain Current Operating Envelope.
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
D =
0
0
t 1
t 2
PI-2039-033001
90%
S4
1
t LEB (Blanking Time)
I INIT(MIN)
2
C
0-60 kΩ
PI-5534-072409
CONTROL
3
Time (µs)
S3
V
F
TOP264-271
4
X
C
5
D
S
6
7
8
Rev. B 03/10
29