TNY278PG Power Integrations, TNY278PG Datasheet - Page 19

• Manufacturer Part Number: TNY278PG
• Description: IC OFFLINE SWIT OVP OTP HV 8DIP
• Manufacturer: Power Integrations
• Series: TinySwitch®-IIIr

Specifications of TNY278PG

• Output Isolation: Isolated
• Frequency Range: 124 ~ 140kHz
• Voltage - Output: 700V
• Power (watts): 28W
• Operating Temperature: -40°C ~ 150°C
• Package / Case: 8-DIP (0.300", 7.62mm), 7 Leads
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 596-1318-5

www.powerint.com
Figure 22. Standard Current Limit vs. Temperature.
Figure 20. Breakdown vs. Temperature.
Figure 24. Output Characteristic.
300
250
200
150
100
50
1.1
1.0
0.9
1.2
0.8
0.6
0.4
0.2
0
1
0
-50 -25
-50
0
Scaling Factors:
TNY274
TNY275
TNY276
TNY277
TNY278
TNY279
TNY280
Junction Temperature (°C)
2
0
0
Temperature (°C)
DRAIN Voltage (V)
1.0
1.5
2.0
3.5
5.5
7.3
11
25
4
50
50
6
75 100 125 150
T
T
CASE
CASE
100
=25 °C
=100 °C
8
150
10
1000
Figure 25. C
Figure 23. Current Limit vs. di/dt.
1.4
1.2
1.0
0.8
0.4
0.2
Figure 21. Frequency vs. Temperature.
0.6
1.2
1.0
0.8
0.6
0.4
0.2
100
0
0
10
1
-50
1
0
TNY274
TNY275
TNY276
TNY277
TNY278
TNY279
TNY280
-25
Junction Temperature (°C)
OSS
100
vs. Drain Voltage.
Drain Voltage (V)
Normalized di/dt
110 mA/μs
130 mA/μs
150 mA/μs
Normalized
0
50 mA/μs
55 mA/μs
70 mA/μs
90 mA/μs
200
di/dt = 1
2
25
Scaling Factors:
300
TNY274
TNY275
TNY276
TNY277
TNY278
TNY279
TNY280
TNY274-280
50
Note: For the
normalized current
limit value, use the
typical current limit
specified for the
appropriate BP/M
capacitor.
400
3
75
1.0
1.5
2.0
3.5
5.5
7.3
11
500
100 125
600
4
Rev. I 01/09
19