RT8008
Output Voltage vs. Temperature
Reference Voltage vs. Input Voltage
1.25
1.23
1.21
1.19
1.17
1.15
0.6010
0.6005
0.6000
0.5995
0.5990
VOUT = 1.2V
VIN = 3.3V, IOUT = 0A
50 75 100 125
-50
-25
0
25
2.5
3
3.5
4
4.5
5
5.5
(°C)
Temperature
Input Voltage (V)
Load Transient Response
Load Transient Response
VIN = 3.3V, VOUT = 1.2V, IOUT = 200mA to 600mA
VIN = 3.3V, VOUT = 1.2V, IOUT = 300mA to 600mA
VOUT
(20mV/Div)
VOUT
(20mV/Div)
IOUT
(500mA/Div)
IOUT
(500mA/Div)
Time (50ms/Div)
Time (50ms/Div)
Output Ripple
Power On
VIN = 3.3V, VOUT = 1.2V, IOUT = 600mA
VIN = 3.3V, VOUT = 1.2V, IOUT = 600mA
VOUT
(5mV/Div)
VEN
(2V/Div)
VLX
(5V/Div)
VOUT
(500mV/Div)
ILX
IIN
(500mA/Div)
(200mA/Div)
Time (500ns/Div)
Time (100ms/Div)
DS8008-04 March 2007
www.richtek.com
7
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
