DAK-68A Power Integrations, DAK-68A Datasheet - Page 9

• Manufacturer Part Number: DAK-68A
• Description: KIT DESIGN ACCELERATOR POE CONV
• Manufacturer: Power Integrations
• Series: DPA-Switch®r

Specifications of DAK-68A

• Main Purpose: Special Purpose DC/DC, Power Over Ethernet
• Outputs And Type: 1, Non-Isolated
• Power - Output: 6.6W
• Voltage - Output: 3.3V
• Current - Output: 2A
• Voltage - Input: 36 ~ 57V
• Regulator Topology: Flyback
• Frequency - Switching: 400kHz
• Board Type: Bare (Unpopulated) and Fully Populated
• Utilized Ic / Part: DPA423, DPA424, DPA425
• Lead Free Status / RoHS Status: Not applicable / Not applicable
• Other names: 596-1007

7 Transformer Specification
7.1 Electrical Diagram
7.2 Electrical Specifications
7.3 Materials
Page 9 of 28
Electrical Strength
Primary Inductance
Resonant Frequency
Primary Leakage Inductance
Item
[1]
[2]
[3]
[4]
[5]
[6]
[7]
Core: ER14.5, Ferroxcube 3C96, 3F3 (or equivalent), ALG = 312 nH/T
Bobbin: ER14.5, 10 pin
Magnet Wire: #34 AWG, Double Coated (Heavy Nyleze)
Magnet Wire: #28 AWG, Double Coated (Heavy Nyleze)
Tape: 3M 1298 Polyester Film (or equivalent), 1.8 mm wide
Core Clamp ER14.5 Ferroxcube CLM14.5 (optional)
Varnish (DIPPED ONLY, NOT IMPREGNATED)
10T #34 AWG
10T #34 AWG
WDG #4
WDG #1
Figure 5 - Transformer Electrical Diagram.
1
2
3
1 second, 60 Hz, from Pins 1-5 to Pins 6-10
Pins 1-3, all other windings open
Pins 1-3, with Pins 6/7-9/10 shorted
Pins 1-3, all other windings open
ER14.5 3C96 / 3F3,
10 pin Bobbin
Description
Tel: [phone] Fax: [phone]
2T #28 AWG x2
8T #34 AWG
WDG #3
WDG #2
9,10
4
5
6,7
Power Integrations
www.powerint.com
2
7.5 MHz (min.)
3.0 µH (max.)
1500 VDC
120 µH,
+/-10%