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CM431 Datasheet, PDF (4/12 Pages) List of Unclassifed Manufacturers – LOW VOLTAGE ADJUSTABLE SHUNT REGULATOR
CM431
LOW VOLTAGE ADJUSTABLE SHUNT REGULATOR
ELECTRICAL CHARACTERISTICS
Unless
otherwise
specified,
these
specifications
apply
over
the
operating
ambient
temperatures
with
TAB
B
=
25°C.
Parameter
Symbol
Test Conditions
Min
Reference Input Voltage
VBREFB
IKB
B
=
10mA,
VKA B
B
=
VBREFB
,0.5%
IKB
B
=
10mA,
VKA B
B
=
VBREF
,0.7%
B
2.482
2.478
Reference Drift
Voltage Ratio, Ref to Cathode
(note 4)
IKB
B
=
10mA,
VKA B
B
=
VBREF
,1.0%
B
I = 10mA, V = V , 0 C ≤ T ≤ 70 C O
O
KB
B
KA B
B
BREFB
P
P
AB
B
P
P
IKB
B
=
10mA,
VKA B
B
=
2.5V
to
36V
2.470
Reference Input Current
Minimum Operating Current
Off-State Cathode Current
Dynamic Impedance
IBREFB
IBMINB
IBOFFB
|Z | KA B
B
I = 10mA,V = V KB
B
KA B
B
BREFB
I = 10mA,V = V , 0 C ≤ T ≤ 70 C O
O
KB
B
KA B
B
BREFB
P
P
AB
B
P
P
V = V KA B
B
BREFB
VKA B
B
=
36V,
VBREFB
=
0V
VKA B
B
=
V , BREFB
IKB
B
=
1mA
to
100mA,
f ≤ 1kHz
Note 3: These parameters are guaranteed by design
Note 4:
VBREFB
VKA B
B
Ratio of change in reference input voltage to the change in cathode voltage
CM431
Typ
2.495
2.495
2.495
4
-1.4
2
0.4
0.1
0.2
Max
2.507
2.512
2.520
17
-2.7
4
2.3
1
1
0.5
Units
V
V
V
mV
mV/V
μA
mA
μA
Ω
2006/10/11 Rev.1.4
Champion Microelectronic Corporation
Page 4