DAK-21A Power Integrations, DAK-21A Datasheet - Page 10

• Manufacturer Part Number: DAK-21A
• Description: KIT DESIGN ACCELERATOR DPA SW
• Manufacturer: Power Integrations
• Series: DPA-Switch®r

Specifications of DAK-21A

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Isolated
• Voltage - Output: 5V
• Current - Output: 6A
• Voltage - Input: 36 ~ 72V
• Regulator Topology: Buck
• Frequency - Switching: 400kHz
• Board Type: Fully Populated
• Utilized Ic / Part: DPA423, DPA424, DPA425, DPA426
• Lead Free Status / RoHS Status: Not applicable / Not applicable
• Power - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

7 Transformer Specification
7.1 Electrical Specifications
7.2 Materials
Electrical Strength
Creepage
Primary Inductance
Resonant Frequency
Primary Leakage
Inductance
Power Integrations, Inc.
Tel: [phone] Fax: [phone]
www.powerint.com
Item
[1]
[2]
[3]
[4]
[5]
Core: PR 14 X 8 Ungapped N87 Material Epcos P/N B65755-J-R87
Bobbin: 8 pin P1408 surface mount B&B B-096 or equivalent
Magnet Wire: #27 AWG Double Coated
Tape, Polyester, 3M #1298 or equiv. 4.5 mm wide
Varnish
1
4
Figure 4 – EP-21 Transformer.
3
#27 AWG
WDG #1
#27 AWG
1 s, from Pins 1-4 to Pins 5-8
Between Pins 1-4 and Pins 5-8
Pins 1-4, all other windings open,
measured at 100 kHz, 400 mV
Pins 1-4, all other windings open
Pins 1-4, with Pins 5-8 shorted,
measured at 100 kHz, 400 mV
WDG #3
8 T
7 T
Description
4 X #27 AWG
WDG #2
4 T
RMS
RMS
3.8 MHz (min.)
7, 8
5, 6
1500 VDC
450 H,
(max.)
1 H
N/A
25%
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