DAK-21A Power Integrations, DAK-21A Datasheet - Page 2

• Manufacturer Part Number: DAK-21A
• Description: KIT DESIGN ACCELERATOR DPA SW
• Manufacturer: Power Integrations
• Series: DPA-Switch®r

Specifications of DAK-21A

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Isolated
• Voltage - Output: 5V
• Current - Output: 6A
• Voltage - Input: 36 ~ 72V
• Regulator Topology: Buck
• Frequency - Switching: 400kHz
• Board Type: Fully Populated
• Utilized Ic / Part: DPA423, DPA424, DPA425, DPA426
• Lead Free Status / RoHS Status: Not applicable / Not applicable
• Power - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Features & Benefi ts
The DPA-Switch Family combines a 220 V power MOSFET with a controller that provides current monitoring, undervoltage and over
temperature protection, soft start and other control functions in a single device, saving up to 30 external components in the power supply
design. Combining the key switching elements into a single package reduces design complexity and ensures rapid, low-risk development of
highly cost-effective power supplies.
Superior Performance and Flexibility. The DPA-Switch family supports a range of power requirements in either forward or fl yback
topologies and offers a variety of package options to maximize design fl exibility. A DIP-8 package is available for low-cost designs, and a
thermally effi cient TO-263-7C R package (2 °C/Watt) is available for higher power applications.
Product Highlights
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EcoSmart
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Package Information
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Typical Applications
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2 DC-DC Product Selector Guide | September 2008
Supports fl yback and forward topology
Programmable internal current sense eliminates external sense components
Built-in auto-restart for output overload/open loop protection
Line undervoltage (UV) detection: meets ETSI standards
Line overvoltage (OV) shutdown protection
Fully integrated soft-start for minimum stress/overshoot
Hysteretic thermal shutdown for over temperature protection and automatic recovery
Source connected tab for low EMI
Extremely low consumption at no-load (10 mA typ.) and in remote off (2 mA max.)
Cycle skipping at light load for high standby effi ciency
P and G packages have Pb-free fi nish (100% matte tin), are RoHS compliant and meet requirements of JEDEC standard J-STD-020C
table 4.2. The R package is not available in Pb-free fi nish.
PoE applications: VoIP phones, WLAN, security cameras
Telco central offi ce equipment: xDSL, ISDN, PABX
Distributed power architectures (24 V/48 V bus)
Industrial controls
LED lighting
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Energy Effi ciency
G-Package
C
L
X
F
2
3
4
1
8
7
6
5
S
S
S
D
R-Package
C L X S F
1 2 3 4 5
D
7
P-Package
C
X
F
L
2
3
4
1
8
7
6
5
S
S
S
D