Datasheet

MAX8660/MAX8660A/MAX8660B/MAX8661
High-Efficiency, Low-I
Q
, PMICs with Dynamic
Voltage Management for Mobile Applications
31
MAX8660 QUIESCENT
OPERATING CURRENT (FIGURE 3)
POWER
MODE
POWER
DOMAIN
STATE
DIGITAL
CONTROL
STATE
NORMAL
OPERATING MODE
FORCED-PWM
MODE
ALL ON
V1, V2, V3, V4, V5, V6, V7,
and V8 are on
EN1/EN2/EN5 (SYS_EN) and EN34 (PWR_EN)
are asserted; V6, V7 are enabled by I
2
C
250µA 23mA
V1, V2, V3, V4, V5,
and V8 are on
EN1/EN2/EN5 (SYS_EN) and EN34 (PWR_EN)
are asserted
RUN, IDLE,
and
STANDBY
V6 and V7 are off V6, V7 are disabled by I
2
C (default)
140µA 22.9mA
V1, V2, V5, and V8 are on EN1/EN2/EN5 (SYS_EN) are asserted
SLEEP
V3, V4, V6, and V7 are off
EN34 (PWR_EN) is deasserted; V6, V7 are
disabled by I
2
C (default)
90µA 10mA
DEEP
SLEEP
All supplies off except V8
EN1/EN2/EN5 (SYS_EN) and EN34 (PWR_EN)
are deasserted; V6, V7 are disabled by I
2
C
20µA
Table 7. Power Modes and Corresponding Quiescent Operating Currents
Note: Forced-PWM currents are measured on the MAX8660 EV kit. Currents vary with step-down inductor and output capacitor tolerance.
V8
(VCC_BBATT)
RSO
(nRESET)
t
VBHRSTH
= 20ms, MIN (TIMED BY PMIC)
t
VBHBFH
= 0s, MIN (TIMED BY PMIC)
t
BSTHSEH
= 2.05s, MAX (TIMED BY MARVELL PXA3xx)
t
SEHVMH
= SYS_DEL TIME, MAX (TIMED BY PMIC)
t
VMHVSH1
= SYS_DEL TIME, t
SEHVMH
, MAX (TIMED BY PMIC)
t
VMHVSH2
= SYS_DEL TIME - t, t
SEHVMH
, MAX (TIMED BY PMIC)
t
SEHPH
= SYS_DEL TIME + 152µs, MIN
t
SEHPH
= SYS_DEL TIME + 153µs, MAX (TIMED BY MARVELL PXA3xx)
t
BFHSEH
= 93.75µs, MAX (TIMED BY MARVELL PXA3xx)
LBO
(nBATT_FAULT)
EN1/EN2/EN5
(SYS_EN)
V5
(VCC_MVT)
V1
(VCC_IO)
V2
(VCC_MEM)
EN34
(PWR_EN)
SCL FROM AP
(PWR_SCL)
SCA FROM AP
(PWR_SDA)
nRESET_OUT*
FROM AP
V3
(VCC_APPS)
V4
(VCC_SRAM)
t
SHROH
= SYS_DEL TIME +213µs, MIN
t
SHROH
= SYS_DEL TIME +214µs, MAX (TIMED BY MARVELL PXA3xx)
t
PHLVTH3
= PWR_DEL TIME (TIMED BY PMIC)
t
PHLVTH4
= PWR_DEL TIME (TIMED BY PMIC)
*THE MAX8660/MAX8661 DO NOT DIRECTLY USE THE MARVELL PXA3xx PROCESSOR’S nRESET_OUT LOGIC OUTPUT.
Figure 6. Power-Up Timing