DPA424R Power Integrations, DPA424R Datasheet - Page 14

• Manufacturer Part Number: DPA424R
• Description: IC CONV DC-DC DPA SWITCH TO263-7
• Manufacturer: Power Integrations
• Series: DPA-Switch®r

Specifications of DPA424R

• Applications: Converter, Power Over Ethernet and Telecom Applications
• Voltage - Input: 16 ~ 75 V
• Number Of Outputs: 1
• Voltage - Output: 220V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: D²Pak, TO-263 (6 leads + tab, variant)
• Output Voltage: 9 V
• Output Current: 3.5 A
• Input Voltage: - 0.3 V to + 220 V
• Switching Frequency: 282 KHz to 425 KHz
• Operating Temperature Range: - 40 C to + 150 C
• Mounting Style: SMD/SMT
• Duty Cycle (max): 79 %
• For Use With: DAK-21A - KIT DESIGN ACCELERATOR DPA SW
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Typical Uses of LINE-SENSE (L) and EXTERNAL CURRENT LIMIT (X) Pins (cont.)
Figure 21. Active-on Remote ON/OFF with LINE-SENSE and
Figure 23. Line-Sensing and Externally Set Current Limit.
14
DPA423-426
Voltage
Voltage
Input
Input
P
7/05
DC
DC
+
+
-
EXTERNAL CURRENT LIMIT.
-
D
S
D
S
R
R
CONTROL
CONTROL
LS
LS
X
X
R
12 kΩ
L
L
619 KΩ
1%
619 kΩ
1%
IL
R
IL
C
C
DC
DC
Q
output or can be replaced
by a manual switch.
For R
DC
DC
R
Q
For R
See Figure 34 for other
resistor values (R
to select different I
values
V
V
MAX
MAX
MAX
MAX
can be an optocoupler
R
UV
OV
LS
I
47 kΩ
LIMIT
@36 V = 75%
@72 V = 42%
@36 V = 75%
@72 V = 42%
= 33.3 V
= 86.0 V
IL
= 619 kΩ
For R
= 12 kΩ
= 64%
I
LIMIT
PI-2837-011904
PI-2859-050602
IL
ON/OFF
= 12 kΩ
= 64%
IL
LIMIT
)
Figure 22. Active-off Remote ON/OFF with LINE-SENSE.
Figure 24. Synchronization.
Voltage
Voltage
Input
Input
DC
DC
+
+
-
-
ON/OFF
47 kΩ
D
S
D
S
Q
R
R
CONTROL
LS
CONTROL
L
L
619 kΩ
1%
Q
output.
For timing requirements,
R
C
can be an optocoupler
C
Q
output or can be replaced
by a MOSFET or manual
switch.
R
Q
can be an optocoupler
R
For R
V
V
see Figure 6.
UV
OV
47 kΩ
= 33.3 V
= 86.0 V
PI-2858-072602
PI-3868-050602
LS
= 619
ON/OFF
kΩ