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CD431 Datasheet(PDF) 1 Page - Jiangsu Changjiang Electronics Technology Co., Ltd

Part No. CD431
Description  SOT-23 Encapsulate Adjustable Reference Source
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Maker  JIANGSU [Jiangsu Changjiang Electronics Technology Co., Ltd]
Homepage  http://www.cj-elec.com/en/
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CD431 Datasheet(HTML) 1 Page - Jiangsu Changjiang Electronics Technology Co., Ltd

   
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CD431 Adjustable Accurate Reference Source
FEATURES
The output voltage can be adjusted to 36V
Low dynamic output impedance ,its typical value is 0.2Ω
Trapping current capability is 1 to 100mA
The typical value of the equivalent temperature factor in the
whole temperature scope is 50 ppm/℃
The effective temperature compensation in the working
range of full temperature
Low output noise voltage
Fast on -state response
ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)
Parameter
S
ymbol
V
alue
U
nit
Cathode Voltage
VKA
36
V
Cathode Current Range (Continuous)
IKA
-100-+150
mA
Reference lnput Current Range
Iref
0.05-+10
mA
Power Dissipation
PD
300
mW
Operating
Temperature
Topr
-25~+85
Storage
Temperature Range
Tstg
-65
~+150
ELECTRICAL CHARACTERISTICS (Tamb=25℃ unless otherwise specified)
Parameter
Symbol
Test
condition
Min
Typ
Max
Unit
Reference input
voltage
Vref
VKA=VREF, IKA=10mA
2.4
75
2.5
2.5
25
V
Deviation of reference input
voltage
over temperature (note)
Vref/△T
VKA =VREF, IKA =10mA
4.5
17
mV
VKA
=10V~VREF
-1.0
-2.7
mV/V
Ratio
of change in reference input
voltage to the change in cathode
voltage
Vref/△VKA
IKA=10mA
VKA
=36V~ 10V
-0.5
-2.0
mV/V
Reference input
current
lref
IKA= 10mA,R1=10
kΩ
R2=∞
1.5
4
μ
A
Deviation
of reference input current
over full temperature range
lref/△T
lKA=10mA, R1=10
kΩ
R2=∞
0.4
1.2
μ
A
Minimum cathode current for
regulation
IKA(min)
VKA=VREF
0.45
1.0
mA
Off-state cathode
current
IKA(OFF)
VKA=36V ,VREF=0
0.05
0.5
μ
A
Dynamic impedance
ZKA
VKA=VREF,lKA=1 to 100mA
f≤1.0
kHz
0.15
0.5
Note:TMIN=-25℃
,TMAX=+85℃
CLASSIFICATION of Vref
Rank
0.5%
1%
Range
2.487-2.513
2.475-2.525
SOT-23
1. CATHODE
2. REFERENCE
3. ANODE
Thermal Resistance from Junction to Ambient
RθJA
417
℃/W
JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
JC
ET
SOT-23 Encapsulate Adjustable Reference Source
www.cj-elec.com
1
F,Aug,2015
150
Junction Temperature
TJ
TMIN≤Ta≤TMAX
TA=-25 to 85℃


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