CM431

Champion Microelectronic Corporation

Page 4

ELECTRICAL CHARACTERISTICS

Unless otherwise specified, these specifications apply over the operating ambient temperatures with T

B

CM431

Parameter

Symbol

Test Conditions

Min

Typ

Max

Units

I

B

2.482

2.495

2.507

V

I

B

2.478

2.495

2.512

V

Reference Input Voltage

V

B

I

B

2.470

2.495

2.520

V

Reference Drift

I

B

O

P

C

≤ T

B

O

P

C

4

17

mV

Voltage Ratio, Ref to Cathode

(note 4)

I

B

-1.4

-2.7

mV/V

I

B

2

4

Reference Input Current

I

B

I

B

O

P

C

≤ T

B

O

P

C

2.3

μA

Minimum Operating Current

I

B

V

B

0.4

1

mA

Off-State Cathode Current

I

B

V

B

0.1

1

μA

Dynamic Impedance

|Z

B

V

B

f

≤ 1kHz

0.2

0.5

Ω

Note 3: These parameters are guaranteed by design

V

B

Note 4:

V

B

Ratio of change in reference input voltage to the change in cathode voltage