DPA423GN Power Integrations, DPA423GN Datasheet - Page 3
DPA423GN
Manufacturer Part Number
DPA423GN
Description
IC CONV DC-DC DPA SWITCH 8SMD
Manufacturer
Power Integrations
Series
DPA-Switch®r
Specifications of DPA423GN
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
8-SMD Gull Wing
Output Voltage
9 V
Output Current
1.75 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
596-1195 - KIT REF DES DPA 6.6W DC-DC CONV596-1009 - KIT DESIGN ACCELERATOR DC-DC596-1007 - KIT DESIGN ACCELERATOR POE CONV
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Company
Part Number
Manufacturer
Quantity
Price
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Part Number:
DPA423GN
Manufacturer:
PowerInt
Quantity:
200
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Part Number:
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Figure 2. Methods for Generation of Bias Voltage.
Output Rectifiers
Output rectification may be accomplished with discrete Schottky
diodes for lowest cost or synchronous rectifiers for highest
efficiency. This document discusses synchronous rectification
+
+
D
S
CONTROL
CONTROL
D
S
X
L
CONTROL
CONTROL
F
Output Coupled Inductor Bias
DPA-Switch
X
C
L
DC Input Derived
F
DPA-Switch
C
(a)
(c)
U2
PI-3468-042303
U2
PI-3470-042303
+
+
in greater detail in a separate section. Ultra-fast PN junction
diodes are not suitable at DPA-Switch operating frequencies.
D
S
D
S
CONTROL
CONTROL
CONTROL
CONTROL
X
X
L
L
Transformer Bias (unregulated)
F
DPA-Switch
F
C
DPA-Switch
C
Transformer Bias (regulated)
(b)
(d)
AN-31
PI-3469-042303
PI-3471-042303
U2
7/04
C
U2
3