Rainbow Electronics MAX17036 - Manual (Page 28)

MAX17030/MAX17036
1/2/3-Phase Quick-PWM
IMVP-6.5 VID Controllers
28 ______________________________________________________________________________________
CPU CORE
VOLTAGE
INTERNAL
PWM CONTROL
VID (D0–D6)
DPRSLPVR
ACTUAL V OUT
INTERNAL TARGET
DEEPER SLEEP VID
BLANK HIGH-Z
t BLANK
20 µs typ
t BLANK
20 µs typ
BLANK HI-Z BLANK HIGH THRESHOLD ONLY
BLANK LOW BLANK LO BLANK HIGH THRESHOLD ONLY
SET TO 1.5V MIN TRACKS INTERNAL TARGET
DO NOT CARE (DPRSLPVR DOMINATES STATE)
1-PHASE SKIP (DH1 ACTIVE, DH2, DL2 FORCED LOW, PWM3 THREE-STATE)
NO PULSES: V OUT > V TARGET
FORCED-PWM
OVP
DH2
DH1
PWM3
PWRGD
PSI
CLKEN
Figure 5. C4E (C4 Early Exit) Transition
DPRSLPVR
INTERNAL
PWM CONTROL
DH1
OVP
CPU CORE
VOLTAGE
INTERNAL
TARGET
ACTUAL V OUT
PSI
VID (D0–D6)
ACTIVE VID
LFM VID
DPRSLP VID
DH2
PWM3
t BLANK
20 µs TYP
t BLANK
20 µs TYP
SET TO 1.5V MIN TRACKS INTERNAL TARGET
NO PULSES: V OUT > V TARGET
1-PHASE SKIP (DH1 ACTIVE, DH2, DL2 FORCED LOW, PWM3 THREE-STATE)
DO NOT CARE (DPRSLPVR DOMINATES STATE)
FORCED-PWM
DEEPER SLEEP VID LFM VID
PWRGD
CLKEN BLANK LOW
BLANK HIGH THRESHOLD ONLY
BLANK HIGH THRESHOLD ONLY
BLANK HIGH-Z
BLANK LOW
BLANK HIGH-Z
Figure 6. Standard C4 Transition