RDK-91 Power Integrations, RDK-91 Datasheet - Page 14

• 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

7 Transformer Specification
7.1 Electrical Diagram
7.2 Electrical Specifications
Electrical Strength
Primary Inductance
Resonant Frequency
Primary Leakage Inductance
WDG # 2
WDG # 1
WDG # 3
WDG # 4
Power Integrations
Tel: [phone] Fax: [phone]
www.powerint.com
6T # 26 AWG X3
6T # 26 AWG X3
14T # 30 AWG X2
Primary
Bias
Bias
56T # 30 AWG
Cancellation
Figure 4 – Transformer Electrical Diagram.
1 second, 60 Hz, from Pins 1-5 to Pins 6-10
Pins 1-3, all other windings open, measured at
100 kHz, 0.4 V RMS
Pins 1-3, all other windings open
Pins 1-3, with Pins 6-8 shorted, measured at
100 kHz, 0.4 V RMS
NC
3
4
2
5
1
8
6
Secondary
7T # 26 T.I.W
1050 µH, ±10%
500 kHz (Min.)
Page 14 of 37
50 µH (Max.)
3000 VAC
WDG # 5