AP8801SG-13 Diodes Zetex, AP8801SG-13 Datasheet - Page 8

• Manufacturer Part Number: AP8801SG-13
• Description: Conv DC-DC Single Step Down 8V to 48V 8-Pin SOP T/R
• Manufacturer: Diodes Zetex
• Type: Step Downr

Specifications of AP8801SG-13

• Package: 8SOP
• Number Of Outputs: 1
• Minimum Input Voltage: 8 V
• Maximum Input Voltage: 48 V
• Switching Frequency: 500 KHz
• Maximum Output Current: 0.5 A
• Output Type: Fixed
• Output Voltage: -0.3 to 50 V
• Switching Regulator: Yes
• Efficiency: 92 %
• Operating Temperature: -40 to 105 °C

Application Information
Thermal Considerations
The graph below in figure 6, gives details for power derating. This assumes the device to be mounted on a
25x25mm PCB with 1oz copper standing in still air.
Package Selection
The device comes with a wide selection of packages. The suggested package is able to provide a case
temperature below 70˚C (with an ambient temperature of 25˚C) for the combination of input voltage and load
requested.
AP8801 Rev. 4
DS31765
1.4
1.2
0.8
0.6
0.4
0.2
1
0
0
Figure 7: Suggested package for a 500mA application
25
MSOP8L
Figure 6: AP8801 derating curves
(Continued)
50
Ambient Temperature (D eg C )
www.diodes.com
Maximum Power Dis s ipation
SOP8L
8 of 11
75
100
500mA LED Step-down Converter
125
150
DECEMBER 2009
©
AP8801
Diodes Incorporated