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

BW
M
L
NS
VMIN
VMAX
CURRENT WAVEFORM SHAPE PARAMETERS
DMAX
IAVG
IP
IR
IRMS
TRANSFORMER PRIMARY DESIGN PARAMETERS
LP
LP_TOLERANCE
NP
ALG
BM
BAC
ur
LG
BWE
OD
INS
DIA
AWG
CM
CMA
TRANSFORMER SECONDARY DESIGN PARAMETERS
Lumped parameters
ISP
ISRMS
IRIPPLE
CMS
AWGS
VOLTAGE STRESS PARAMETERS
VDRAIN
PIVS
DC INPUT VOLTAGE PARAMETERS
Power Integrations
Tel: [phone] Fax: [phone]
www.powerint.com
10.00
1.00
2.00
7
0.5120 Amps
0.3075 Amps
0.295 mm
0.243 mm
1050 uHenries
2745 Gauss
2053
10.2 mm
0.59
0.24 Amps
0.33 Amps
0.11 mm
16.4 mm
0.05 mm
4.07 Amps
2.15 Amps
1.90 Amps
375 Volts
339 nH/T^2
824 Gauss
247 Cmils/Amp Primary Winding Current Capacity (200 < CMA <
430 Cmils
607 Volts
79 Volts
10 %
56
31 AWG
81 Cmils
23 AWG
59 Volts
1 mm
2
7
Bobbin Physical Winding Width
Safety Margin Width (Half the Primary to Secondary
Creepage Distance)
Number of Primary Layers
Number of Secondary Turns
Minimum DC Input Voltage
Maximum DC Input Voltage
Duty Ratio at full load, minimum primary inductance
and minimum input voltage
Average Primary Current
Minimum Peak Primary Current
Primary Ripple Current
Primary RMS Current
Typical Primary Inductance. +/- 10% to ensure a
minimum primary inductance of 954 uH
Primary inductance tolerance
Primary Winding Number of Turns
Gapped Core Effective Inductance
Maximum Operating Flux Density, BM<3000 is
recommended
AC Flux Density for Core Loss Curves (0.5 X Peak
to Peak)
Relative Permeability of Ungapped Core
Gap Length (Lg > 0.1 mm)
Effective Bobbin Width
Maximum Primary Wire Diameter including
insulation
Estimated Total Insulation Thickness (= 2 * film
thickness)
Bare conductor diameter
Primary Wire Gauge (Rounded to next smaller
standard AWG value)
Bare conductor effective area in circular mils
500)
Peak Secondary Current
Secondary RMS Current
Output Capacitor RMS Ripple Current
Secondary Bare Conductor minimum circular mils
Secondary Wire Gauge (Rounded up to next larger
standard AWG value)
Maximum Drain Voltage Estimate (Assumes 20%
zener clamp tolerance and an additional 10%
temperature tolerance)
Output Rectifier Maximum Peak Inverse Voltage
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