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
Input Supply Voltage
Undervoltage Lockout
Input Supply Current
VREF voltage
IBVS input voltage range
IBVS input resistance
Conditions/Description
VDD pin
Hardware reset is triggered below this
threshold
VDD pin=3.3V
AREF pin
2.3
GND
100
Min
3.0
2.3
2.5
12
2.56
Nom
Max
3.6
2.7
20
2.7
VREF
Units
VDC
VDC
mA
VDC
VDC
M
8.2
Feature Specifications
Parameter
Overvoltage Protection
Threshold
Undervoltage Protection
Threshold
Threshold Hysteresis
Accuracy of Protection
Thresholds
Conditions/Description
Min
Nom
Max
Units
Intermediate Voltage Bus Protections
With external 5.7:1 ratio divider
With external 5.7:1 ratio divider
With external 5.7; 1ratio divider.
Symmetrical relative to average
threshold value
Internal voltage reference, 1% resistive
divider
With external 5.7:1 ratio divider
Front End Enable (FE_EN)
V
FE_EN
V
FE_EN
Isrc
Isink
Front End logic level enabled
Front End logic level disabled
Source Current, V
FE_EN
=V
DD
-0.5V
Sink Current, V
FE_EN
=0.5V
Crowbar (CB)
V
CB
V
CB
Isrc
Isink
T
CB
Crowbar Enable
Crowbar Disable
Source Current, V
CB
=V
DD
-0.5V
Sink Current, V
CB
=0.5V
Duration of Enabling Pulse
5
5
1
High
Low
mA
mA
ms
5
5
High
Low
mA
mA
IBV
0
±114
-10
-43
10
43
14.6
IBV
V
V
mV
%V
TH
mV
Internal ADC Conversion Error
ZD-00896 Rev. 5.2, 9-Apr-13
www.power-one.com
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