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ISO1I811T
Electrical Characteristics
5.2
Operating Conditions and Power Supply
For proper operation of the device, absolute maximum rating ( Section 4 ) and the parameter ranges in Table 5
must not be violated. Exceeding the limits of operating condition parameters may result in device malfunction or
spec violations. The power supply pins VBB and VCC have the characteristics given in Table 7 .
Table 5
Operating Range
Parameter
at T j = -40 ... 125°C
Symbol
Value
Min.
Max.
Unit
Note /
Test Condition
Supply Voltage Logic VCC
Supply Voltage Senses VBB
Ambient Temperature
Junction Temperature
Common Mode Transient
Magnetic Field Immunity
V VCC
V VBB
T A
T J
dV ISO /dt
|H IM |
2.85
9.6
-40
-40
-25
30
5.5
35
85
125
25
V
V
°C
°C
kV/ μ s
A/m
related to GND
related to GNDBB
IEC61000-4-8
Table 6
Thermal Characteristics
Parameter
at T j = -40 ... 125°C, V bb =9.6...35V, V CC =2.85...5.5V,
Symbol
Limit Values
Min.
Max.
Unit
Note /
Test Condition
unless otherwise specified
Thermal resistance junction - case top
Thermal resistance junction - case bottom
Thermal resistance junction - pin
Thermal resistance @ 2 cm2 cooling area 2)
R thJC_Top
R thJC_Bot
R thJP
R th(JA)
15.0
13.8
11.8
88.6
K/W
K/W
K/W
K/W
measured on top
side 1)
1)
1)
1)
(thermal conductance only by radiation and
free convection)
1) not subject to production test, specified by design
2) Device on 50 mm x 50 mm x 1.5 mm epoxy PCB FR4 with 2 cm2 (one layer, 35 μm thick) copper area. PCB is vertical
without blow air.
Table 7
Electrical Characteristics of the Power Supply Pins
Parameter
at T j = -40 ... 125°C, V bb =9.6...35V,
Symbol
Min.
Values
Typ.
Max.
Unit
Note /
Test Condition
V CC =2.85...5.5V, unless otherwise
specified
VBB UVLO startup threshold
VBB UVLO shutdown threshold
VBB UVLO Hysteresis
VBB missing voltage OFF (MV)
V VBBon
V VBBoff
V VBBhys
V VBBmvoff
8.0
1
9.6
13.9
V
V
V
V
threshold
VBB missing voltage ON (MV)
V VBBmvon
12.1
V
threshold
Glitch filters for VBB missing
T VBBfil
40
μs
1)
voltage and undervoltage
Undervoltage Current for VBB
Data Sheet
I VBBuv
20
3.5
mA
V VBB < V VBBon
Revision 2.0, 2012-06-14
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