MAX8720 Datasheet, PDF (22/31 Pages) Maxim Integrated Products – Dynamically Adjustable 6-Bit VID Step-Down Controller

Dynamically Adjustable 6-Bit VID
Step-Down Controller
D0–D5 VOLTAGE
V_OUT
S0, S1 VOLTAGE
SKIP
SUS
PGOOD
TARGET
MODE
D0–D5
PWM MODE
HIGH IMPEDANCE
FORCED-PWM
8x R_TIME
CLOCKS
SLEW RATE SET BY R_TIME
LOW THRESHOLD ONLY
S0, S1
AUTOSKIP MODE
HIGH IMPEDANCE
D0–D5
FORCED-PWM
PWM MODE
8x R_TIME
CLOCKS
Figure 10. Suspend Transition in Forced-PWM Mode (SKIP = High)
D0–D5 VOLTAGE
V_OUT
S0, S1 VOLTAGE
SKIP
SUS
PGOOD
TARGET
MODE
LOW T'HOLD ONLY
D0–D5
SKIP MODE
HIGH IMPEDANCE
FORCED-PWM
8x R_TIME
CLOCKS
SLEW RATE SET BY R_TIME
LOW THRESHOLD ONLY
S0, S1
AUTOSKIP MODE
HIGH IMPEDANCE LOW T'HOLD ONLY
D0–D5
FORCED-PWM
SKIP MODE
8x R_TIME
CLOCKS
Figure 11. Suspend Transition in Pulse-Skipping Mode (SKIP = GND)
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