RT8009
Reference vs. Input Voltage
Reference vs. Temperature
0.60
0.58
0.56
0.54
0.52
0.50
0.48
0.46
0.44
0.42
0.40
0.510
0.508
0.505
0.503
0.500
0.498
0.495
0.493
0.490
VIN = 3.3V, VOUT = 1.8V
VOUT = 1.8V
-50
-25
0
25
50
75
100
125
2.5 2.8 3.1 3.4 3.7
4
4.3 4.6 4.9 5.2 5.5
(°C)
Temperature
Input Voltage (V)
Load Transient Response
Load Transient Response
VIN = 3.3V, VOUT = 1.8V, IOUT = 300mA to 600mA
VIN = 3.3V, VOUT = 1.8V, IOUT = 150mA to 600mA
VOUT
(20mV/Div)
VOUT
(20mV/Div)
IOUT
(500mA/Div)
IOUT
(500mA/Div)
Time (100μs/Div)
Time (100μs/Div)
Output Ripple
Power On
VIN = 3.3V, VOUT = 1.8V, IOUT = 600mA
VIN = 3.3V, VOUT = 1.8V, IOUT = 600mA
VOUT
(2mV/Div)
VEN
(2V/Div)
VLX
(5V/Div)
VOUT
(1V/Div)
ILX
IIN
(500mA/Div)
(200mA/Div)
Time (500ns/Div)
Time (100μs/Div)
DS8009-03 March 2007
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RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
