SMH4046 Datasheet, PDF (10/51 Pages) List of Unclassifed Manufacturers – Hot-Swap, Active DC Output Control (ADOCTM) Power Manager with I2C lnterface

SMH4046
Preliminary Information
DC OPERATING CHARACTERISTICS (CONTINUED)
(Over recommended operating conditions, unless otherwise noted. All voltages are relative to GND.)
Symbol
Parameter
Notes
Min Typ Max Unit
VGATE VGATE3/5 Outputs
12
V
V_SENSE
Positive Sense Voltage
VM pin
+0.3
VCC5V
V
V_Monitor
Monitor Threshold Step Size
VM pins
5
mV
T_Monitor
Temperature Threshold Step Size Internal Temp Sensor
1
o_C
T_SA
Internal Temperature Sensor
Accuracy
Commercial Temp Range
Industrial Temp Range
-3
-5
+3
o_C
+5
o_C
1V_REF
1V_REF Output Voltage
Optional data bus pre-charge
output
0.95
1.00 1.05
V
V_REF ACC Internal V_REF Accuracy
-0.4
+0.4
%
ADOC_ACC ADOC/Margin Accuracy
V_SENSE ≤ 3.5V
V_SENSE ≥ 3.5V
-0.5 _±0.3 +0.5
%
-1
±0.8 ⁺¹
%
UVLO
Under Voltage Lockout
Threshold¹
VDD_CAP Rising
VDD_CAP Falling
2.6
2.5
Note 1 - (100mV typ Hysteresis)
ADC characteristics
N
Resolution
MC
Missing Codes
S/N
Signal-to-Noise Ratio
10
Minimum resolution for which no
missing codes are guaranteed
10
Conversion rate = 500Hz
72
DNL
Differential Non-Linearity
-1/2
INL
Integral Non-Linearity
-1
GAIN
Positive full scale gain error
-0.5
Offset
Offset Error
-1
ADC_TC
Full Scale Temperature
Coefficient
±15
IM_ADC
Analog ADC Input Impedance EXT_TEMP
10
The formula for the total ADC inaccuracy is: [((ADC read voltage) +/- INL)*(range of gain error)]+range of offset error
V
V
Bits
Bits
db
+1/2 LSB
+1
LSB
+0.5
%
+1
LSB
PPM/^oC
MΩ
Summit Microelectronics, Inc
2082 1.7 08/23/04
10