RT8884B
21
DS8884B-01 September 2013
www.richtek.com
©
Copyright 2013 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation.
V
IMON
vs. Load Current
0.0
0.5
1.0
1.5
2.0
2.5
0
25
50
75
100
125
Load Current (A)
V
IM
ON
(V
)
V
IN
= 12V, TSEN Sweep from 1.7V to 2.1V
Time (10ms/Div)
CORE VR Thermal Monitoring
TSEN
(1V/Div)
VR_HOT
(1V/Div)
V
IN
= 12V, VID = 1.6V to 1.85V, Slew Rate = Fast
Time (10
μ
s/Div)
CORE VR Dynamic VID Up
VCLK
(2V/Div)
VDIO
(2V/Div)
ALERT
(2V/Div)
V
CORE
(1V/Div)
V
IN
= 12V, VID = 1.85V to 1.6V, Slew Rate = Fast
Time (10
μ
s/Div)
CORE VR Dynamic VID Down
VCLK
(2V/Div)
VDIO
(2V/Div)
ALERT
(2V/Div)
V
CORE
(1V/Div)
V
IN
= 12V, VID = 1.7V, PS2 to PS0, I
LOAD
= 0.6A
Time (100
μ
s/Div)
CORE VR Mode Transient
VCLK
(1V/Div)
UGATE1
(20V/Div)
LGATE1
(10V/Div)
V
CORE
(50mV/Div)
V
IN
= 12V, VID = 1.7V, PS0 to PS2, I
LOAD
= 0.6A
Time (100
μ
s/Div)
CORE VR Mode Transient
VCLK
(1V/Div)
UGATE1
(20V/Div)
LGATE1
(10V/Div)
V
CORE
(50mV/Div)
