RDK-242 Power Integrations, RDK-242 Datasheet - Page 19

• Manufacturer Part Number: RDK-242
• Description: Power Management Modules & Development Tools TOPSwitch-JX REF. DESIGN KIT
• Manufacturer: Power Integrations
• Type: MOSFET & Power Driverr

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

8 Transformer Design Spreadsheet
Page 19 of 59
ENTER APPLICATION VARIABLES
VACMIN
VACMAX
fL
VO
PO_AVG
PO_PEAK
Heatsink Type
Enclosure
n
Z
VB
tC
CIN
ENTER TOPSWITCH-JX VARIABLES
TOPSwitch-JX
Chosen Device
KI
ILIMITMIN_EXT
ILIMITMAX_EXT
Frequency (F)=132kHz,
(H)=66kHz
fS
fSmin
fSmax
High Line Operating Mode
VOR
VDS
VD
VDB
KP
PROTECTION FEATURES
LINE SENSING
ACDC_TOPSwitchJX_020
Power Integrations 2010
110; Rev.1.2; Copyright
TOP266V
0.4725
120.00
INPUT
Frame
12.00
30.00
Open
PCB
0.80
0.50
3.00
82.0
0.50
0.70
0.62
265
85
50
15
F
TOP266V
Warning
INFO
Power Out
OUTPUT
132000
119000
145000
30.00
1.120
1.289
PCB
FF
82
10
F
Tel: [phone] Fax: [phone]
Universal
uFarads
28.5 W /
%/100
/ Peak
Watts
Watts
Amps
Amps
Hertz
Hertz
Hertz
Hertz
UNIT
Volts
Volts
Volts
Volts
86 W
Volts
Volts
Volts
Volts
ms
Design title
Minimum AC Input Voltage
Maximum AC Input Voltage
AC Mains Frequency
Output Voltage (main)
!!! For low line (VMIN < 200 VDC) designs:
Reduce PO_AVG<28.5 W (or use larger
device)
Peak Output Power
Heatsink Type
Open Frame enclosure assume sufficienct
airflow while adapter means a sealed
enclosure.
Loss Allocation Factor
Bias Voltage - Verify that VB is > 8 V at no
load and VMAX
Bridge Rectifier Conduction Time Estimate
Input Filter Capacitor
115 Doubled/230V
39W
External Ilimit reduction factor (KI=1.0 for
default ILIMIT, KI <1.0 for lower ILIMIT)
Use 1% resistor in setting external ILIMIT
Use 1% resistor in setting external ILIMIT
Select 'H' for Half frequency - 66kHz, or 'F'
for Full frequency - 132kHz
TOPSwitch-JX Switching Frequency:
Choose between 132 kHz and 66 kHz
TOPSwitch-JX Minimum Switching
Frequency
TOPSwitch-JX Maximum Switching
Frequency
Full Frequency, Jitter enabled
Reflected Output Voltage
TOPSwitch on-state Drain to Source Voltage
Output Winding Diode Forward Voltage
Drop
Bias Winding Diode Forward Voltage Drop
Ripple to Peak Current Ratio (0.3 < KRP <
1.0 : 1.0< KDP<6.0)
V pin functionality
Efficiency Estimate
Continuous/Discontinuous Flyback
Transformer Design Spreadsheet
TOP_JX_020110: TOPSwitch-JX
Power Integrations
www.powerint.com