KSI-2058-000
2
SLF431xSF
Absolute maximum ratings
(Operating ambient temperature range applies unless other specified)
Parameter
Cathode to Anode voltage
Cathode current range
Reference input current range
Power dissipation
Operating temperature range
Storage temperature range
Symbol
V
KA
I
KA
I
ref
P
D
T
opr
T
stg
Ratings
37
-100 ~+150
-0.05~+10
300
-40~+85
-65~+150
Unit
V
mA
mA
mW
°
C
°
C
*
* With PCB(8
×
8mm copper area) at glass epoxy board(t=1.7mm, area : 20
×
20mm)
Recommended operating conditions
Ratings
Parameter
Symbol
Min.
V
ref
Max.
36
Unit
Cathode to Anode voltage
V
KA
V
Cathode current range
I
KA
1.0
100
mA
Electrical Characteristics
(Ambient temperature at 25
°
C, unless otherwise noted.)
Parameter
Reference input voltage
(Fig. 1, Note 1)
Deviation of reference input voltage
Over temperature(Fig. 1, Note 1,2)
Ratio of change in reference input
Voltage to the change in cathode
Voltage(Fig. 2)
Symbol
Condition
Min. Typ. Max.
2.482
2.470
Unit
SLF431BSF
SLF431ASF
2.508
2.520
V
ref
V
KA
=V
ref
,
I
KA
=10mA
V
KA
=V
ref
, I
KA
=10mA
@Ta=T
LOW
to T
HIGH
I
KA
=10mA
V
KA
=10V-V
ref
V
KA
=36V-10V
I
KA
=10mA
R1=10K
, R2=
∞
I
KA
=10mA
R1=10K
, R2=
∞
2.495
V
V
ref
-
7.0
30
mV
V
ref
V
KA
-
-
1.2
0.7
2.7
2.0
mV/V
Reference input current(Fig. 2)
I
ref
-
1.8
4.0
μ
A
Deviation of reference input current
over temperature(Fig. 2)
Minimum cathode current for
Regulation(Fig. 1)
Off-state cathode current(Fig. 3)
I
ref
-
0.4
2.5
μ
A
I
MIN
V
KA
=V
ref
-
0.35
1.0
mA
I
OFF
V
KA
=36V, V
ref
=0V
V
KA
=V
ref
, f
≤
1.0KHz
I
KA
=1.0mA-100mA
-
2.7
1000
nA
Dynamic impedance(Fig. 1, Note 3)
Z
KA
-
0.14
0.5
Fig. 1 Fig. 2 Fig. 3
<Note 1> : T
LOW
=-40
°
C, T
HIGH
=+85
°
C , <Note 2> :
V
ref
= V
ref
Max. - V
ref
Min.
, <Note 3> : Z
KA
=
V
KA
/
I
KA