Liteon Semiconductor Corporation
LSP5502
2A Synchronous Rectified Step Down DC/DC Converter
TYPICAL CHARACTERISTICS
Start up soft start Vin=12V, Vout=5V Iout=2A
Operating status Vin=12V, Vout=5V Iout=2A
ripple of Vout Vin=12V, Vout=5V Iout=3A
SCP
12Vin 5.0Vout Efficiency curve
12Vin 1.0Vout Efficiency curve
VIN=5V
VIN=8V
VIN=8V
Efficiency vs Input Voltage(Vout=1.0V)
VIN=12V
Efficiency vs Input Voltage(Vout=5.0V)
VIN=18V
VIN=12V
VIN=18V
VIN=23V
VIN=23V
100
100
90
80
70
60
50
90
80
70
60
Io(mA)
Io(mA)
2000
50
0
500
1000
1500
2000
0
500
1000
1500
Rev1.1
8/11