GFX VR Dynamic VID
RT8167B
GFX VR Dynamic VID
VGFX
(500mV/Div)
VCLK
(2V/Div)
VDIO
(2V/Div)
ALERT
(2V/Div)
0.7V to 1.2V, Slew Rate = Slow, ILOAD = 1.25A
Time (40μs/Div)
VGFX
(500mV/Div)
VCLK
(2V/Div)
VDIO
(2V/Div)
ALERT
(2V/Div)
1.2V to 0.7V, Slew Rate = Slow, ILOAD = 1.25A
Time (40μs/Div)
GFX VR Dynamic VID
GFX VR Dynamic VID
VGFX
(500mV/Div)
VCLK
(2V/Div)
VDIO
(2V/Div)
ALERT
(2V/Div)
0.7V to 1.2V, Slew Rate = Fast, ILOAD = 1.25A
Time (10μs/Div)
VGFX
(500mV/Div)
VCLK
(2V/Div)
VDIO
(2V/Div)
ALERT
(2V/Div)
1.2V to 0.7V, Slew Rate = Fast, ILOAD = 1.25A
Time (10μs/Div)
GFX VR Load Transient
GFX VR Load Transient
VGFX
(20mV/Div)
VGFX
(20mV/Div)
ILOAD 4
(A/Div) 1
VID = 1.1V, ILOAD = 1A to 4A, Slew Time = 150ns
Time (100μs/Div)
ILOAD 4
(A/Div) 1
VID = 1.1V, ILOAD = 4A to 1A, Slew Time = 150ns
Time (100μs/Div)
DS8167B-00 October 2011
www.richtek.com
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