CD431 Datasheet, PDF (1/3 Pages) Jiangsu Changjiang Electronics Technology Co., Ltd – SOT-23 Encapsulate Adjustable Reference Source

JCET
JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
SOT-23 Encapsulate Adjustable Reference Source
CD431 Adjustable Accurate Reference Source
SOT-23
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
1. CATHODE
2. REFERENCE
3. ANODE
ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)
Parameter
Symbol
Value
Unit
Cathode Voltage
V_KA
36
V
Cathode Current Range (Continuous)
I_KA
-100-+150
mA
Reference lnput Current Range
Iref
0.05-+10
mA
Power Dissipation
P_D
300
mW
Thermal Resistance from Junction to Ambient
Operating Temperature
R_θJA
Topr
417
-25~+85
℃/W
℃
Junction Temperature
T_J
StorageTemperature Range
Tstg
150
℃
-65~+150
℃
ELECTRICAL CHARACTERISTICS (Tamb=25℃ unless otherwise specified)
Parameter
Reference input voltage
Deviation of reference input voltage
over temperature (note)
Ratio of change in reference input
voltage to the change in cathode
voltage
Reference input current
Deviation of reference input current
over full temperature range
Minimum cathode current for
regulation
Symbol
V_ref
△V_ref/△T
△V_ref/△V_KA
l_ref
△l_ref/△T
Test condition
V_KA=V_REF, I_KA=10mA
V_KA =V_REF, I_KA =10mA
T_MIN≤T_a≤T_MAX
I_KA=10mA
△V_KA
=10V～V_REF
△V_KA
=36V～ 10V
I_KA= 10mA,R₁=10kΩ
R₂=∞
l_KA=10mA, R₁=10kΩ
R₂=∞
T_A=-25 to 85℃
I_KA(min)
V_KA=V_REF
Min Typ Max Unit
2.475 2.5 2.525
V
4.5
17
mV
-1.0 -2.7 mV/V
-0.5 -2.0 mV/V
1.5
4
μA
0.4
1.2
μA
0.45 1.0
mA
Off-state cathode current
Dynamic impedance
Note:T_MIN=-25℃ ,T_MAX=+85℃
CLASSIFICATION of Vref
Rank
Range
I_KA(OFF)
Z_KA
V_KA=36V ,V_REF=0
V_KA=V_REF,l_KA=1 to 100mA
f≤1.0kHz
0.5%
2.487-2.513
0.05 0.5
μA
0.15 0.5
Ω
1%
2.475-2.525
www.cj-elec.com
1
F,Aug,2015