DAK-68A Power Integrations, DAK-68A Datasheet - Page 10

• 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

Figure 7.
Figure 8.
Rev. S 12/07
X Pin Voltage
10
Switching
MOSFET
EXTERNAL CURRENT LIMIT (X)
Current
Note: These figures provide idealized functional characteristics with typical performance values. Please refer to the
Output
Limit
LINE-SENSE and EXTERNAL CURRENT LIMIT Pin Characteristics.
LINE-SENSE (L), and EXTERNAL CURRENT LIMIT (X) Pin Input Simplifi ed Schematic
parametric table and typical performance characteristics sections of the data sheet for measured data.
DPA422-426
-250
(Enabled)
(Disabled)
I
LIMIT
X Pin Current (μA)
LINE-SENSE (L)
-200
(Default)
CONTROL (C)
-150
V
BG
-100
-25.5 μA
-21.5 μA
-50
I
REM(U)
0
230 μA
V
BG
+ V
L Pin Voltage
Duty Cycle
V
MOSFET
Switching
Maximum
T
240 μA
(Negative Current Sense - ON/OFF,
Output
BG
DPA-Switch
Current Limit Adjustment)
1 V
(Positive Current Sense - Under-Voltage,
Overvoltage, ON/OFF Maximum Duty
0
(Voltage Sense)
I
UV(U)
L Pin Current (μA)
50
Cycle Reduction)
(Enabled)
(Disabled)
47 μA
100
I
OV(U)
150
V
DC
BG
131 μA
135 μA
+ V
MAX
200
TP
(75%)
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250
PI-2778-080801
PI-2765-061704