8
Electrical Specifications
Specifications apply at VDD from 3V to 3.6V, ambient temperature from -40°C to 85°C, and utilizing proper
decoupling as shown in Figure 3 unless otherwise noted.
8.1
Power Specifications
Parameter
Conditions/Description
Min
Nom
Max
Units
Input Supply Voltage
VDD pin
3.0
3.6
VDC
Hardware reset is triggered below this
threshold
Undervoltage Lockout
2.3
2.5
2.7
VDC
Input Supply Current
VREF voltage
VDD pin=3.3V
AREF pin
12
20
2.7
mA
VDC
VDC
MΩ
2.3
2.56
IBVS input voltage range
IBVS input resistance
GND
VREF
100
8.2
Feature Specifications
Parameter
Conditions/Description
Min
Nom
Max
Units
Intermediate Voltage Bus Protections
Overvoltage Protection
Threshold
With external 5.7:1 ratio divider
With external 5.7:1 ratio divider
IBV
14.6
IBV
V
V
Undervoltage Protection
Threshold
0
With external 5.7; 1ratio divider.
Symmetrical relative to average
threshold value
Threshold Hysteresis
114
mV
Accuracy of Protection
Thresholds
Internal voltage reference, 1% resistive
divider
-10
-43
10
43
%VTH
mV
Internal ADC Conversion Error
With external 5.7:1 ratio divider
Front End Enable (FE_EN)
Front End logic level enabled
Front End logic level disabled
Source Current, VFE_EN=VDD-0.5V
Sink Current, VFE_EN=0.5V
Crowbar (CB)
VFE_EN
VFE_EN
Isrc
High
Low
5
5
mA
mA
Isink
VCB
VCB
Isrc
Isink
TCB
Crowbar Enable
High
Low
Crowbar Disable
Source Current, VCB=VDD-0.5V
Sink Current, VCB=0.5V
5
5
mA
mA
ms
Duration of Enabling Pulse
1
ZD-00896 Rev. 5.2, 9-Apr-13
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