LM185-2.5QML
SNVS385A –NOVEMBER 2005–REVISED MARCH 2013
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LM185BY–2.5 Electrical Characteristics DC Parameters
Sub-
Symbol Parameter Conditions Notes Min Max Units
groups
V
Ref
Reverse Breakdown Voltage I
R
= 20µA 2.462 2.538 V 1
I
R
= 30µA 2.425 2.575 V 2, 3
I
R
= 1mA 2.462 2.538 V 1
2.425 2.575 V 2, 3
I
R
= 20mA 2.462 2.538 V 1
2.425 2.575 V 2, 3
ΔV
Ref
/ ΔI
R
Reverse Breakdown Voltage 20µA ≤ I
R
≤ 1mA -1.0 1.0 mV 1
Change with Current
30µA ≤ I
R
≤ 1mA -1.5 1.5 mV 2, 3
1mA ≤ I
R
≤ 20mA -10.0 10.0 mV 1
-20.0 20.0 mV 2, 3
V
F
Forward Bias Voltage I
F
= 2mA −1.0 −0.4 V 1
T
C
Temperature Coefficient
(1)
50 PPM/°C 2, 3
(1) The average temperature coefficient is defined as the maximum deviation of reference voltage, at all measured temperatures between
the operating T
Min
& T
Max
, divided by (T
Max
− T
Min
). The measured temperatures (T
Measured
) are −55°C, 25°C, & 125°C or ΔV
Ref
/ (T
Max
−
T
Min
)
LM185BY–2.5 Electrical Characteristics DC Drift Parameters
Delta calculations performed on QMLV devices at group B , subgroup 5, unless otherwise specified on IPI.
Sub-
Symbol Parameter Conditions Notes Min Max Units
groups
V
Ref
1 Reverse Breakdown Voltage I
R
= 20µA -10 10 mV 1
V
Ref
2 Reverse Breakdown Voltage I
R
= 20mA -10 10 mV 1
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