CM431
L
OW
V
OLTAGE
A
DJUSTABLE
S
HUNT
R
EGULATOR
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, these specifications apply over the operating ambient temperatures with T
A
= 25°C.
B
B
Parameter
Symbol
B
B
Test Conditions
I
K
= 10mA, V
KA
= V
REF
,0.5%
B
B
B
B
CM431
Min
2.482
2.478
2.470
O
B
B
P
P
Typ
2.495
2.495
2.495
4
-1.4
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
Reference Input Voltage
Reference Drift
Voltage Ratio, Ref to Cathode
(note 4)
Reference Input Current
Minimum Operating Current
Off-State Cathode Current
Dynamic Impedance
V
REF
B
B
I
K
= 10mA, V
KA
= V
REF
,0.7%
B
B
B
B
B
B
I
K
= 10mA, V
KA
= V
REF
,1.0%
B
B
B
B
B
B
I
K
= 10mA, V
KA
= V
REF
, 0 C
≤
T
A
≤
70 C
O
P
B
B
B
B
B
B
P
I
K
= 10mA, V
KA
= 2.5V to 36V
B
B
B
B
I
REF
B
B
B
I
K
= 10mA,V
KA
= V
REF
B
B
B
B
B
B
B
B
B
B
B
B
I
K
= 10mA,V
KA
= V
REF
, 0
O
C
≤
T
A
≤
70
O
C
P
P
B
B
P
P
B
I
MIN
I
OFF
B
B
V
KA
= V
REF
B
B
B
B
B
B
0.4
B
B
V
KA
= 36V, V
REF
= 0V
V
KA
= V
REF
, I
K
= 1mA to 100mA,
B
B
B
B
B
B
0.1
0.2
|Z
KA
|
B
B
f
≤
1kHz
Note 3: These parameters are guaranteed by design
Note 4:
V
REF
B
B
V
KA
B
B
Ratio of change in reference input voltage to the change in cathode voltage
2006/10/11
Rev.1.4
Champion Microelectronic Corporation
Page 4
CHAMP [ CHAMPION MICROELECTRONIC CORP. ]
