DAK-16A Power Integrations, DAK-16A Datasheet - Page 12

• Manufacturer Part Number: DAK-16A
• Description: KIT DESIGN ACCELERATOR ADAPTER
• Manufacturer: Power Integrations
• Series: LinkSwitch®r

Specifications of DAK-16A

• Main Purpose: AC/DC, Primary Side
• Outputs And Type: 1, Isolated
• Power - Output: 2.75W
• Voltage - Output: 5.5V
• Current - Output: 500mA
• Voltage - Input: 85 ~ 265VAC
• Regulator Topology: Flyback
• Frequency - Switching: 42kHz
• Board Type: Bare (Unpopulated)
• Utilized Ic / Part: LNK500, LNK501, LNK520
• Lead Free Status / RoHS Status: Not applicable / Not applicable
• Other names: 596-1001

Table 2. Comparison of LNK500 and LNK520.
12
Considerations
LNK520
E
2/05
Summary
Family
• Lowest cost CV/CC implementation
• Source is connected to the switching
• Fast switching speeds minimize losses
• Source PCB copper heatsink connected
• No bias winding required – simplest
• Perfect for linear replacement in
The LNK500 is recommended for cost
sensitive applications in larger systems with
existing EMI filtering (e.g. white goods).
node – simple circuit configuration & low
component count
for best efficiency
to switching node – size should be
minimized to limit noise
circuit configuration
applications where additional system
EMI shielding or filtering exists
Figure 13. Comparison of LNK520 and LNK500 Showing an
30.0
Approximate 5 dBµV Reduction in Radiated EMI.
QP: LNK500
AV: LNK500
LNK500
Frequency (MHz)
AV: LNK520
QP: LNK520
100.0
• Very low cost CV/CC implementation
• Source connected to quiet low-side
• Optimized switching speed – reduces
• Source PCB copper heatsink connected
• Bias winding required – allows higher
• Perfect for systems where no additional
The LNK520 is recommended for both
stand-alone charger and adapter
applications, and larger systems where
EMI reduction is required (e.g. emergency
lighting).
primary return - easy layout & low noise
(low-side configuration only)
radiated EMI by up to 5 dB (Figure 13)
to primary return – area can be
maximized for higher power without noise
(low-side configuration only)
V
configuration only)
filtering or shielding exists
OR
, increasing power capability (low-side
200.0
LNK520