Absolute Maximum Ratings
Parameter
Cathode Voltage
Continuous Cathode Current
Reference Current
Operating Junction Temperature Range
Storage Temperature Range
Symbol
V
KA
I
KA
I
REF
T
J
T
STG
Maximum
18
80
1
-40 to 85
-65 to 150
120 (SOT-89)
230 (SOT-23-3)
Units
V
mA
mA
°C
°C
Thermal Resistance
θ
JA
230 (SOT-23-5L)
150 (SOP-8)
220 (TO-92)
°C/W
Lead Temperature (Soldering) 10 seconds
T
LEAD
260
°C
Electrical Characteristics
T
A
=25
℃
, unless otherwise
specified.
TEST
PARAMETER
0.5%
Reference Voltage
1%
2%
Deviation of reference voltage over full
temperature range
Ratio of change in reference voltage to the
change in cathode voltage
SYMBOL
CIRCUIT
TEST CONDITIONS
MIN
TYP
MAX
UNIT
2483
V
REF
1
V
KA
= V
REF
, I
KA
= 10mA
2495
2495
2495
-14
2507
2520
2545
--
mV
mV
2470
2445
V
I(dev)
1
V
KA
= V
REF
, I
KA
= 10mA
T
A
= -40°C to 85°C
I
KA
= 3mA,
ΔV
KA
= 10 V - V
REF
I
KA
= 10mA,
R1=10kΩ, R2 =
∞
I
KA
= 10mA, R1=10kΩ,
R2 =
∞,
T
A
= -40°C to 85°C
V
KA
= V
REF
V
KA
= 18V, V
REF
= 0
I
KA
= 1mA to
80mA,
--
Δ
V
REF
Δ
V
KA
I
REF
2
--
0.2
2.7
mV/V
Reference current
Deviation of Reference current over full
temperature range
Minimum cathode current
for regulation
2
--
0.3
4
μA
μA
mA
μA
Ω
I
I(dev)
I
MIN
I
OFF
Z
KA
2
1
3
1
--
--
--
--
-0.13
0.15
0.4
0.08
--
0.3
1
0.7
Off-state cathode current
Dynamic impedance
V
KA
= V
REF
, f
≤
1kH
Z
Revision 12/4/2008
All contents are subject to change without prior notice.
© Seaward Electronics, Inc., 2006. • www.seawardinc.com.cn • Page 3
SEAWARD [ Seaward Electronics Inc. ]
