RDK-138 Power Integrations, RDK-138 Datasheet - Page 11

• 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

7 Performance Data
All measurements performed at room temperature, 60 Hz input frequency.
7.1 Efficiency
7.1.1 Active Mode CEC Measurement Data
All single output adapters, including those provided with products, for sale in California
after July 1
minimum active mode efficiency and no load input power.
efficiency is defined as the average efficiency of 25, 50, 75 and 100% of rated output
power with the limit based on the nameplate output power:
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60.0%
58.0%
56.0%
54.0%
52.0%
50.0%
48.0%
46.0%
44.0%
42.0%
40.0%
25%
st
Nameplate Output (P
, 2008, must meet the California Energy Commission (CEC) requirement for
≥ 1 W to ≤ 49 W
Figure 4 – Efficiency vs. Output Power, Room Temperature, 60 Hz.
> 49 W
< 1 W
O
50%
)
Efficiency vs. Load
Minimum Efficiency in Active Mode of Operation
Load Percent
0.09 × ln (P
O
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75%
) + 0.50 [ln = natural log]
0.50 × P
0.85
O
Minimum active mode
Power Integrations
www.powerint.com
100%
115 VAC
230 VAC