DPA423G Power Integrations, DPA423G Datasheet - Page 2
![IC CONV DC-DC DPA SWITCH 8SMD](/photos/7/32/73216/596-8-smd_sml.jpg)
DPA423G
Manufacturer Part Number
DPA423G
Description
IC CONV DC-DC DPA SWITCH 8SMD
Manufacturer
Power Integrations
Series
DPA-Switch®r
Specifications of DPA423G
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
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
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DPA423GN
Manufacturer:
PowerInt
Quantity:
200
Company:
Part Number:
DPA423GN
Manufacturer:
POWER
Quantity:
5 000
Part Number:
DPA423GN
Manufacturer:
POWER
Quantity:
20 000
Company:
Part Number:
DPA423GN-TL
Manufacturer:
POWER
Quantity:
14 500
Company:
Part Number:
DPA423GN-TL
Manufacturer:
Power Integrations
Quantity:
88 094
Part Number:
DPA423GN-TL
Manufacturer:
POWER
Quantity:
20 000
Rev. S 12/07
Functional Block Diagram ....................................................................................................................................... 3
Pin Functional Description ...................................................................................................................................... 3
DPA-Switch Family Functional Description ............................................................................................................ 4
Using Feature Pins ..................................................................................................................................................... 8
Typical Uses of FREQUENCY (F) Pin ...................................................................................................................... 11
Typical Uses of LINE-SENSE (L) and EXTERNAL CURRENT LIMIT (X) Pins ....................................................... 11
Application Examples .............................................................................................................................................. 14
Key Application Considerations .............................................................................................................................. 16
Product Specifi cations and Test Conditions .......................................................................................................... 21
Typical Performance Characteristics .................................................................................................................. 27
Part Ordering Information ....................................................................................................................................... 30
Package Outlines .................................................................................................................................................... 31
2
CONTROL (C) Pin Operation .................................................................................................................................... 4
Oscillator and Switching Frequency .......................................................................................................................... 5
Pulse Width Modulator & Maximum Duty Cycle ........................................................................................................ 5
Minimum Duty Cycle and Cycle Skipping ................................................................................................................. 6
Error Amplifi er .......................................................................................................................................................... 6
On-chip Current Limit with External Programmability ................................................................................................ 6
Line Under-Voltage Detection (UV) ............................................................................................................................ 6
Line Overvoltage Shutdown (OV) .............................................................................................................................. 6
Line Feed-Forward with DC
Remote ON/OFF ...................................................................................................................................................... 7
Synchronization ........................................................................................................................................................ 7
Soft-Start ................................................................................................................................................................. 8
Shutdown/Auto-Restart ........................................................................................................................................... 8
Hysteretic Over-Temperature Protection ................................................................................................................... 8
Bandgap Reference ................................................................................................................................................. 8
High-Voltage Bias Current Source ............................................................................................................................ 8
FREQUENCY (F) Pin Operation ................................................................................................................................ 8
LINE-SENSE (L) Pin Operation ................................................................................................................................. 9
EXTERNAL CURRENT LIMIT (X) Pin Operation ......................................................................................................... 9
DPA-Switch Design Considerations ........................................................................................................................ 16
DPA-Switch Layout Considerations ........................................................................................................................ 18
Quick Design Checklist .......................................................................................................................................... 19
Design Tools .......................................................................................................................................................... 20
DPA422-426
MAX
Reduction ................................................................................................................ 6
Section List
www.powerint.com