RDK-91 Power Integrations, RDK-91 Datasheet - Page 26

• 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

11.2 Output Voltage Start-Up Profile
Start-up into full resistive load and no-load were both verified. A 12 Ω resistor was used
for the load, to maintain 1 A under steady-state conditions.
Figure 16 – Start-Up Profile, 115 VAC.
11.3 Drain Voltage and Current Start-Up Profile
Figure 18 – 90 VAC Input and Maximum Load.
Upper: V
Lower: I
Power Integrations
Tel: [phone] Fax: [phone]
www.powerint.com
Fast trace is no-load rise time
Slower trace is maximum load (12 Ω)
2 V, 5 ms / div.
DRAIN
DRAIN
, 0.5 A / div.
, 100 V & 100 µs / div.
Figure 17 – Start-Up Profile, 230 VAC.
Figure 19 – 265 VAC Input and Maximum Load.
Upper: V
Lower: I
Fast trace is no-load rise time
Slower trace is maximum load (12 Ω)
2 V, 5 ms / div.
DRAIN
DRAIN
, 0.5 A / div.
, 200 V & 100 µs / div.
Page 26 of 37