CM431
LOW VOLTAGE ADJUSTABLE SHUNT REGULATOR
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, these specifications apply over the operating ambient temperatures with TA = 25°C.
CM431
Parameter
Symbol
Test Conditions
Units
Min
Typ
2.495
2.495
2.495
4
Max
2.507
2.512
2.520
17
IK = 10mA, VKA = VREF ,0.5%
IK = 10mA, VKA = VREF ,0.7%
2.482
2.478
2.470
V
V
Reference Input Voltage
VREF
IK = 10mA, VKA = VREF ,1.0%
IK = 10mA, VKA = VREF, 0OC ≤ TA ≤ 70OC
V
Reference Drift
mV
Voltage Ratio, Ref to Cathode
(note 4)
IK = 10mA, VKA = 2.5V to 36V
-1.4
2
-2.7
mV/V
IK = 10mA,VKA = VREF
IK = 10mA,VKA = VREF, 0OC ≤ TA ≤ 70OC
VKA = VREF
4
2.3
1
Reference Input Current
IREF
μA
Minimum Operating Current
Off-State Cathode Current
IMIN
IOFF
0.4
0.1
mA
VKA = 36V, VREF = 0V
1
μA
V
KA = VREF, IK = 1mA to 100mA,
Dynamic Impedance
|ZKA
|
0.2
0.5
Ω
f ≤ 1kHz
Note 3: These parameters are guaranteed by design
VREF
Note 4:
Ratio of change in reference input voltage to the change in cathode voltage
VKA
2006/10/11 Rev.1.4
Champion Microelectronic Corporation
Page 4
CHAMP [ CHAMPION MICROELECTRONIC CORP. ]
