RT8167B
VGFX
(20mV/Div)
VCLK
(1V/Div)
LGATEA
(10V/Div)
UGATEA
(20V/Div)
GFX VR Mode Transition
VGFX
(20mV/Div)
VID = 1.1V, PS0 to PS2, ILOAD = 0.1A
Time (100μs/Div)
VCLK
(1V/Div)
LGATEA
(10V/Div)
UGATEA
(20V/Div)
GFX VR Mode Transition
VID = 1.1V, PS2 to PS0, ILOAD = 0.1A
Time (100μs/Div)
GFX VR Thermal Monitoring
1.9
TSENA
(V/Div)
1.7
VRHOT
(500mV/Div)
TSENA Sweep from 1.7V to 1.9V
Time (10ms/Div)
1.006
1.004
1.002
1.000
0.998
0.996
0.994
0.992
0.990
0.988
-50
GFX VR VREF vs. Temperature
-25
0
25 50 75 100 125
Temperature (°C)
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24
DS8167B-00 October 2011