TOP270EG Power Integrations, TOP270EG Datasheet - Page 30

• Manufacturer Part Number: TOP270EG
• Description: IC OFFLINE SW PWM OCP OVP 7ESIP
• Manufacturer: Power Integrations
• Series: TOPSwitch®-JXr
• Type: Off Line Switcherr

Specifications of TOP270EG

• Output Isolation: Isolated
• Frequency Range: 66 ~ 132kHz
• Voltage - Output: 725V
• Power (watts): 140W
• Operating Temperature: -40°C ~ 150°C
• Package / Case: 7-SIP, 6 Leads, Exposed Pad, Formed Leads
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 596-1280-5

Figure 35. TOPSwitch-JX General Test Circuit.
Rev. C 11/10
30
Figure 33. CONTROL Pin I-V Characteristic.
TOP264-271
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 32. 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 34. 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
4
X
C
5
D
S
6
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