CL1431
CORPORATION
ELECTRICAL CHARACTERISTICS
Electrical characteristics are guaranteed over full junction temperature range (-55 to 125
o
C). Ambient temperature must be derated based on
power dissipation and package thermal characteristics. The conditions are: V
KA
= V
REF
and I
K
= 10mA unless otherwise stated.
SYMBOL
V
REF
TC
V
REF
I
REF
I
REF
I
K(MIN)
I
K(OFF)
Z
KA
PARAMETER
Reference Voltage
V
REF
with Temp.*
Ratio of Change in V
REF
to
Cathode Voltage
Reference Input Current
I
REF
Temp Deviation
Min I
K
for Regulation
Off State Leakage
Dynamic Output Impedance
-2
MIN
2.490
2.470
0.06
-1.1
0.7
0.4
0.4
0.04
0.15
1.9
1.2
1
250
0.2
TYP
2.500
MAX
2.510
2.530
0.16
UNIT
V
V
mV/
o
C
mV/V
µA
µA
mA
nA
Ω
CIRCUIT
1
1
1
2
2
2
1
3
1
V
REF
= 0V, V
KA
= 36V
f
≤
1kHz, I
K
= 1 to 100mA
V
K
= 3V to 36V
R
1
= 10k; R
2
=
Over Temp.
TEST CONDITION
T
A
= 25
o
C
Over Temp.
*CALCULATING AVERAGE TEMPERATURE COEFFICIENT (TC)
ppm
mV
0
0
5000
0.5
TEST CIRCUITS
V
IN
V
KA
= V
REF
I
REF
TEST CIRCUIT 1
CALOGIC CORPORATION,
237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025
%
0
–10
–20
•
TC in mV/
o
C
=
∆V
REF
∆T
∆V
REF
(
mV)
∆T
A
•
TC in %/ C
=
–55 –25
0
25
50
75 100 125
o
∆
V
REF
o
V
REF
at
25
C
∆T
A
x 100
TEMPERATURE (˚C)
0.06 mV/˚C
0.002 %/˚C
24 ppm/˚C
1J-24
•
TC in ppm/
o
C
=
∆V
REF
o
V
REF
at 25 C
∆T
A
x 10
6
V
IN
V
KA
V
IN
V
KA
I
K
I
K
R
1
(V
REF
)
R
2
I
REF
I
K(OFF)
1G-38
1G-39
1G-40
TEST CIRCUIT 2
TEST CIRCUIT 3
CALOGIC [ CALOGIC, LLC ]
