CL431 View Datasheet(PDF) - Calogic, LLC
Part Name
Description
MFG CO.
'CL431' PDF : 6 Pages View PDF
CORPORATION
CL431
ELECTRICAL CHARACTERISTICS
Electrical Characteristics are guaranteed over full junction temperature range (0 to 105oC). Ambient temperature must be derated based on
power dissipation and package thermal characteristics. The conditions are: VKA = VREF and IK = 10mA unless otherwise stated.
SYMBOL
PARAMETER
VREF
TC
Reference Voltage
∆VREF with Temp.*
CL431 (0.5%)
MIN
TYP
2.490
2.503
2.469
0.07
MAX
2.515
2.536
0.20
UNIT
TEST
CIRCUIT
TEST CONDITION
V
1
TA = 25oC
V
1
Over Temp.
mV/ oC
1
∆VREF
∆VK
Ratio of Change in VREF to
Cathode Voltage
–2.7
–1.0
VREF to 10V
mV/V
2
–2
–0.4
0.3
10V to 36V
IREF
Reference Input Current
0.7
4
µA
2
∆IREF
IREF Temp Deviation
0.4
1.2
µA
2
Over Temp.
IK(MIN)
Min IK for Regulation
0.4
1
mA
1
IK(OFF)
Off State Leakage
0.04
250
nA
3
VREF = 0V, VKA = 36V
ZKA
Dynamic Output Impedance
0.15
0.5
Ω
1
f ≤ 1kHz, IK = 1 to 150mA
*CALCULATING AVERAGE TEMPERATURE COEFFICIENT (TC)
0
0
0
5000
–10
0.5
∆VREF
∆T
0 15 30 45 60 75 90 105
TEMPERATURE (˚C)
0.07 mV/˚C
0.003 %/˚C
27 ppm/˚C
1G-37
•
TC
in
mV/oC
=
∆VREF (mV)
∆TA
• TC in %/oC =
∆VREF
VREF
at
25oC
∆TA
x 100
∆VREF
•
TC
in
ppm/oC
=
VREF
at 25oC
∆TA
x 106
TEST CIRCUITS
VIN
I REF
VKA = VREF
IK
VIN
R1
(VREF )
R2
I REF
VKA
IK
VIN
VKA
I K(OFF)
1G-38
TEST CIRCUIT 1
1G-39
TEST CIRCUIT 2
1G-40
TEST CIRCUIT 3
CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025
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