RT8859M
AXG VR Load Transient Response
AXG VR Load Transient Response
VAXG
(50mV/Div)
VAXG
(50mV/Div)
22A
ILOAD
22A
ILOAD
2A
2A
VAXG = 1.1V, fLOAD = 300Hz, ILOAD = 2A to 22A
VAXG = 1.1V, fLOAD = 300Hz, ILOAD = 22A to 2A
Time (100μs/Div)
Time (100μs/Div)
AXG VR OCP
AXG VR OVP & NVP
VAXG
(2V/Div)
VAXG
(1V/Div)
VRA_RDY
(2V/Div)
VRA_RDY
(1V/Div)
PWMA
(10V/Div)
PWMA
(5V/Div)
ILOAD
(50A/Div)
VAXG = 1.1V
VAXG = 1.1V
Time (100μs/Div)
Time (100μs/Div)
AXG VR UVP
VIMONA vs. Load Current
3.3
3.0
2.7
2.4
2.1
1.8
1.5
1.2
0.9
0.6
0.3
0.0
VAXG
(1V/Div)
VRA_RDY
(1V/Div)
PWMA
(5V/Div)
VAXG = 1.1V, ILOAD = 1A
Time (1ms/Div)
0
3
6
9
12 15 18 21 24 27 30
Load Current (A)
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26
DS8859M-05 July 2012
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
