DAK-68A Power Integrations, DAK-68A Datasheet - Page 30

• 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

Rev. S 12/07
Typical Performance Characteristics (cont.)
Part Ordering Information
30
Figure 48. Output Characteristics.
Figure 50. C
10000
1000
100
20
18
16
14
12
10
DPA422-426
8
6
4
2
0
10
0
0
Scaling Factors:
OSS
DPA 423 G N - TL
DPA423 = 0.18
DPA424 = 0.36
DPA425 = 0.72
DPA426 = 1.00
20
vs. DRAIN Voltage.
1
40
DRAIN Voltage (V)
Drain Voltage (V)
60
2
80 100 120 140 160
T
CASE
3
= 25 °C
Scaling Factors:
T
DPA423 = 0.18
DPA424 = 0.36
DPA425 = 0.72
DPA426 = 1.00
CASE
• Lead Finish
• Tape & Reel and Other Options
• DPA-Switch Product Family
• Series Number
• Package Identifi er
= 100 °C
4
Blank
Blank
TL
P
R
N
G
5
Plastic Surface Mount DIP
Plastic DIP
Plastic TO-263-7C (available only with TL option)
Standard (Sn Pb)
Pure Matte Tin (Pb-Free) (P & G)
Standard Confi gurations
Tape & Reel, (G package: 1000 min./mult., R package: 750 min./mult.)
Figure 49. On-Resistance vs. Temperature.
In-Circuit Peak Drain Current Normalized to
Figure 51. Typical Switching Loss.
2.5
1.5
0.5
Nominal Device Internal Current Limit
2
1
0
2.5
1.5
0.5
2
1
0
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
-50 -25
Data taken from a typical
forward converter design.
(422, 423, 424 & 425 only)
0
Temperature (°C)
25
50
75
Scaling Factors:
DPA423 = 0.08
DPA424 = 0.20
DPA425 = 0.55
DPA426 = 1.00
100 125 150
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