General electrical characteristics (continued) – Rainbow Electronics MAX8982X User Manual
Page 8
Power-Management ICs for
ICERA E400/E450 Platform
MAX8982A/MAX8982X
8
GENERAL ELECTRICAL CHARACTERISTICS (continued)
(MAX8982A: V
IN1A
= V
IN1B
= +5.0V and C
OUT1,2,3+CIN_
= 1000FF, MAX8982X: V
IN1A
= V
IN1B
= +3.3V and CO
UT1,2,3+CIN_
= 20FF,
C
REFBP
= 0.1FF, T
A
= -40NC to +85NC. Typical values are at T
A
= +25NC, unless otherwise noted.) (Note 3)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
OPERATING VOLTAGE
IN1A, IN1B Operating Voltage
MAX8982A
4.1
5.5
V
MAX8982X
2.9
5.5
Undervoltage Lockout
MAX8982A, V
IN1_
rising
3.5
3.8
4.1
V
MAX8982A, V
IN1_
falling
3.5
MAX8982X, V
IN1_
rising
2.5
2.7
2.9
MAX8982X, V
IN1_
falling
2.4
OVERVOLTAGE LOCKOUT (OVP)
Overvoltage Lockout
(Shutdown All Outputs Including
LDO7)
V
IN1_
rising
5.75
5.93
V
IN1A, IN1B
Overvoltage
Hysteresis
250
mV
THERMAL SHUTDOWN
Threshold
T
J
rising
160
N
C
Hysteresis
10
N
C
HOT TEMPERATURE DETECTION
Threshold
Interrupt enabled, T
J
rising, typical hysteresis = +10NC
+125
N
C
REFERENCE
REFBP Output Voltage
0 P I
REFBP
P 1FA
0.788
0.80
0.812
V
Supply Rejection
4.1V P V
IN1_
P
5.5V
0.2
mV
LOGIC AND CONTROL INPUTS (SDA, SCL, EN, DVS1, PWR_REQ)
Input Low Level
T
A
= +25NC
0.3
V
Input High Level
T
A
= +25NC
1.2
V
Logic Input Current
0V < V
IN1_
< 5.5V, T
A
= +25NC
-1
+1
F
A
0V < V
IN1_
< 5.5V, T
A
= +85NC
0.1
LOGIC AND CONTROL OUTPUTS
SDA Output Low Level
I
SDA
= 6mA
0.4
V
I
2
C INTERFACE (V
SCL
= V
SDA
= 1.8V, Note 2, Figure 16)
Clock Frequency
400
kHz
Bus Free Time Between START
and STOP (t
BUF
)
1.3
F
s
Hold Time Repeated START
Condition (t
HD_STA
)
0.6
F
s
SCL Low Period (t
LOW
)
1.3
F
s
SCL High Period (t
HIGH
)
0.6
F
s
Setup Time Repeated START
Condition (t
SU_STA
)
0.6
F
s
SDA Hold Time (t
HD_DAT
)
0
F
s
SDA Setup Time (t
SU_DAT
)
100
ns