RT8859M
VCC
DVD
(DVDA)
POR
EN
SVID
XX
Valid
xx
2ms
0.2V
V
OUT, CORE
MAX Phases
PWM
Hi-Z
SVID defined
MAX Phases
Hi-Z
0.2V
Hi-Z
V
OUT, AXG
1 Phase CCM
100µs
Hi-Z
SVID defined
1 Phase CCM
PWMA
VR_RDY
100µs
VRA_RDY
Figure 4 (a). Power Sequence for the RT8859M (VINITIAL = VINITIALA = 0V)
VCC
DVD
POR
EN
SVID
XX
Valid
xx
2ms
V
INITIAL
0.2V
V
OUT, CORE
MAX Phases
PWM
Hi-Z
Hi-Z
SVID defined
SVID defined
MAX Phases
Hi-Z
V
INITIALA
0.2V
Hi-Z
V
OUT, AXG
1 Phase CCM
1 Phase CCM
PWMA
100µs
100µs
VR_RDY
VRA_RDY
≠
≠
Figure 4 (b). Power Sequence for the RT8859M (VINITIAL 0V, VINITIALA 0V)
Copyright 2012 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
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DS8859M-05 July 2012
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
