SL431A AUK [AUK corp], SL431A Datasheet - Page 3

• Manufacturer Part Number: SL431A
• Description: Programmable Voltage Reference
• Manufacturer: AUK [AUK corp]

Note.
1. Ambient temperature range: T
2. The deviation parameters △V
obtained over the full operating ambient temperature range that applied.
The average temperature coefficient of the reference input voltage,
Fig. 8
Example : △V
3. The dynamic impedance Z
When the device is operating with two external resistors, R1 and R2, (refer to Fig.2) the total dynamic impedance of the circuit
is given by:
α
V
Input
ref
Fig. 1 Test circuit for V
can be positive or negative depending on whether V
△V
△Ta = 125℃
ref
ref
@ 25℃ = 2.495V
= 30mV and the slope is positive,
KA
I
KA
K
=V
is defined as:
LOW
V
ref
ref
KA
and △I
= -40℃, T
α
Ambient Temperature
V
ref
V
α
ref
are defined as the difference between the maximum value and minimum value
V
KA
High
Fig. 2 Test circuit for V
Input
ref
(
ppm
=
= 85℃
(
Ζ
℃
KSD-I0A004-000
ppm
V
KA
℃
R1
R2
ref
)
'
Ζ
)
=
=
×
KA
ref
=
1 (
(
Ζ
V
(
Min or V
V
I
. 2
KA
=
+
ref
ref
. 0
ref
495
∆
03
R
R
I ∆
×
125
V
T (
∆
1
2
1 (
KA
× )
K
α
V
)
a
+
V
+
ref
=
10
ref
∆
KA
ref
R
R
I
I
T
25
Max occurs at the lower ambient temperature, refer to
6
K
1
2
>V
ref
is defined as:
a
)
℃
=
V
∆V
∆Ta = T
ref
KA
×
96
)
R
×
ppm
ref
10
1
= V
6
2
/
)
℃
ref
– T
Max – V
1
Fig. 3 Test circuit for I
Input
ref
Min
SL431x
I
K(off)
K(off)
V
KA
3