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MAX34446
PMBus Power-Supply Data Logger
ABSOLUTE MAXIMUM RATINGS
V DD to V SS ...........................................................-0.3V to +5.5V
SDA or SCL to V SS ...............................................-0.3V to +5.5V
RS-[5:0] to V SS .....................................................-0.3V to +0.3V
RS+[5:0] to V SS ..... -0.3V to (V DD + 0.3V), not to exceed +5.5V
RS+[5:0] to V SS with 100ω of series resistance ..-0.3V to +2.0V
All other pins
relative to V SS .... -0.3V to (V DD + 0.3V), not to exceed +5.5V
All other pins relative to V SS with greater than
750ω of series resistance .................................. -0.3V to 5.5V
REG18 to V SS .......................................................-0.3V to +2.0V
REG25 to V SS .............................................................. -0.3V to +0.3V
Continuous Power Dissipation (T A = +70 N C)
TQFN (derate 35.7mW/ N C above +70C) ................2857.1mW
Operating Temperature Range ........................ -40 N C to +105 N C
Storage Temperature Range............................ -55 N C to +125 N C
Lead Temperature (soldering, 10s) ................................+300 N C
Soldering Temperature (reflow) ......................................+260 N C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional opera-
tion of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect device reliability.
RECOMMENDED OPERATING CONDITIONS
(T A = -40 N C to +105 N C, unless otherwise noted.)
PARAMETER
V DD Operating Voltage
Input Logic-High
Input Logic-Low
Input Logic-High: SCL, SDA
Input Logic-Low: SCL, SDA
SYMBOL
V DD
V IH
V IL
V I2C_IH
V I2C_IL
CONDITIONS
(Note 1)
2.7V P V DD P 3.6V (Note 1)
2.7V P V DD P 3.6V (Note 1)
MIN
2.7
0.7 x
V DD
0
2.1
0
TYP
MAX
5.5
V DD +
0.3
0.3 x
V DD
V DD +
0.3
+0.8
UNITS
V
V
V
V
V
V DD Rise Time
V DD Trace Impedance
From 0V to 2.7V
4
5
ms
W
DC ELECTRICAL CHARACTERISTICS
(V DD = 2.7V to 5.5V, T A = -40 N C to +105 N C, unless otherwise noted. Typical values are at V DD = 3.3V, T A = +25 N C.)
PARAMETER
Supply Current
Brownout Voltage
Brownout Hysteresis
SYMBOL
I CPU
I PROGRAM
V BO
V BOH
CONDITIONS
(Note 2)
Monitors V DD (Note 1)
Monitors V DD (Note 1)
MIN
2.40
TYP
3.0
8
2.46
30
MAX
2.55
UNITS
mA
V
mV
Internal System Clock
f MOSC
+25 N C P T A P +85 N C
-3
4.0
+2
MHz
System Clock Error (Note 3)
f ERR:MOSC -40 N C P T A P +25 N C
-20 N C P T A P +105 N C
-6.5
-4
+1.6
+2.5
%
Output Logic-Low
Output Logic-High
V OL1
V OH1
I OL = 4mA (Note 1)
I OH = -2mA (Note 1)
V DD -
0.5
0.4
V
V
Pullup Current
I PU
V PIN = V SS , V DD = 3.3V
38
55
107
F A
Maxim Integrated
2
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