RDK-91 Power Integrations, RDK-91 Datasheet - Page 19

• Manufacturer Part Number: RDK-91
• Description: KIT DESIGN REF TINYSWITCH-III
• Manufacturer: Power Integrations
• Series: TinySwitch®-IIIr

Specifications of RDK-91

• Main Purpose: AC/DC, Primary Side
• Outputs And Type: 1, Non-Isolated
• Power - Output: 12W
• Voltage - Output: 12V
• Current - Output: 1A
• Voltage - Input: 85 ~ 265VAC
• Regulator Topology: Flyback
• Board Type: Fully Populated
• Utilized Ic / Part: TNY274, TNY275, TNY276, TNY277, TNY278, TNY279, TNY280
• Product: Accessories & Kits
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Frequency - Switching: -
• Other names: 596-1194

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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