RDK-91 Power Integrations, RDK-91 Datasheet - Page 18

• 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

Rev. I 01/09
Figure 16. General Test Circuit.
Figure 17. Duty Cycle Measurement.
18
TNY274-280
NOTE: This test circuit is not applicable for current limit or output characteristic measurements.
S
S
S
S
EN/UV
BP/M
D
Figure 19. Current Limit Envelope.
0.8
0.1 μF
2 MΩ
150 V
Figure 18. Output Enable Timing.
S1
(internal signal)
DC
EN/UV
470 Ω
V
5 W
DRAIN
t
P
MAX
=
f
OSC
1
10 V
470 Ω
S2
t P
t EN/UV
50 V
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