RDK-242 Power Integrations, RDK-242 Datasheet - Page 42
RDK-242
Manufacturer Part Number
RDK-242
Description
Power Management Modules & Development Tools TOPSwitch-JX REF. DESIGN KIT
Manufacturer
Power Integrations
Type
MOSFET & Power Driverr
Datasheet
1.RDK-242.pdf
(59 pages)
Specifications of RDK-242
Input Voltage
85 VAC to 264 VAC
Output Voltage
12 V
Maximum Operating Temperature
+ 40 C
Minimum Operating Temperature
0 C
Operating Supply Voltage
85 VAC to 264 VAC
Product
Power Management Modules
- Current page: 42 of 59
- Download datasheet (2Mb)
12.7 Overvoltage Protection (Open Loop Test)
OVP is initiated by shorting the LED of U2. This constitutes an open loop condition and
causes the output voltage, and bias voltage to rise. OVP is sensed in the primary by
sensing the bias winding.
Figure 37 – OVP at 85 VAC, No-load.
Figure 39 – OVP at 264 VAC, No-load.
Power Integrations, Inc.
Tel: +1 408 414 9200 Fax: +1 408 414 9201
www.powerint.com
OVP Trip Point = 18.75 V.
OVP Trip Point = 18.96 V.
Figure 38 – OVP at 85 VAC, Full Load.
Figure 40 – OVP at 264 VAC, Full Load.
OVP Trip Point = 16.67 V.
OVP Trip Point = 17.92 V.
Page 42 of 59
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