RDK-138 Power Integrations, RDK-138 Datasheet - Page 13

• Manufacturer Part Number: RDK-138
• Description: KIT REF DESIGN 1.2W PS TN FAMILY
• Manufacturer: Power Integrations

Specifications of RDK-138

• Mfg Application Notes: LinkSwitch-TN Design Guide, AN-37
• Main Purpose: AC/DC, Non-Isolated
• Outputs And Type: 2, Non-Isolated
• Power - Output: 1.2W
• Voltage - Output: 12V, 5V
• Current - Output: 80mA, 50mA
• Voltage - Input: 85 ~ 265VAC
• Regulator Topology: Buck
• Frequency - Switching: 66kHz
• Board Type: Fully Populated
• Utilized Ic / Part: LNK304
• Product: Accessories & Kits
• Lead Free Status / RoHS Status: Not applicable / Not applicable
• Other names: 596-1197

Typical Performance Characteristics
Figure 10. Breakdown vs. Temperature.
Figure 12. Current Limit vs. Temperature at
Figure 14. BYPASS Pin Start-up Waveform.
1.1
1.0
0.9
1.4
1.2
1.0
0.8
0.6
0.4
0.2
7
6
5
4
3
2
1
0
0
-50
-50 -25
0
Normalized di/dt.
Junction Temperature (°C)
0.2
0
Temperature (°C)
0
25
0.4
Time (ms)
50
50
Normalized di/dt
0.6
75 100 125 150
di/dt = 1
di/dt = 6
100
0.8
150
1.0
Figure 11. Frequency vs. Temperature.
Figure 13. Current Limit vs. di/dt.
Figure 15. Output Characteristics.
400
350
300
250
200
150
100
1.2
1.0
0.8
0.6
0.4
0.2
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
50
0
0
-50 -25
0
1
2
Junction Temperature (°C)
LNK302
LNK304
LNK305
LNK306
4
2
DRAIN Voltage (V)
Normalized di/dt
6
0
25 °C
Normalized
di/dt = 1
55 mA/μs
65 mA/μs
75 mA/μs
95 mA/μs
8
3
25
LNK302/304-306
10 12 14 16 18 20
Scaling Factors:
LNK302
LNK304
LNK305
LNK306
50
100 °C
4
Normalized
Current
Limit = 1
136 mA
257 mA
375 mA
482 mA
75
0.5
1.0
2.0
3.4
5
100 125
6
Rev. I 11/08
2-13
13