DAK-21A Power Integrations, DAK-21A Datasheet - Page 9

• 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

Figure 7. Normal DPA-Switch Drain Waveforms Showing Correct
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0
0
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0
Transformer Reset. a) V
c) V
IN
= 36 V.
t
ON
t
RZ
IN
T
Time (µs)
Time (µs)
Time (µs)
S
= 72 V, b) V
2.5
2.5
2.5
(a)
(b)
(c)
t
RN
t
V0
IN
= 48 V,
PI-2884-061002
5
5
5
Figure 8. Illustration of Three Situations with Improper
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300
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150
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50
50
50
0
0
0
0
0
0
Transformer Reset. a) V
c) V
IN
= 36 V.
IN
Time (µs)
Time (µs)
Time (µs)
= 72 V, b) V
2.5
2.5
2.5
(a)
(b)
(c)
IN
AN-31
= 36 V,
7/04
PI-2885-061002
C
9
5
5
5