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@vic
AV431 Adjustable Accurate Reference Source
SOT - 23 - 3L
AV431
FEATURES The output voltage can be adjusted to 36V Low dynamic output impedance ,its typical value is 0.2¦¸ Trapping current capability is 1 to 100mA The typical value of the equivalent temperature factor in the whole temperature scope is 50 ppm/¡æ The effective temperature compensation in the working range of full temperature Low output noise voltage Fast on -state response
1. REFERENCE 2. CATHOD E 3.ANODE
ABSOLUTE MAXIMUM RATINGS£¨ Operating temperature range applies unless otherwise specified£© Parameter SYMBOL
Cathode Voltage Cathode Current Range(Continuous) Reference Input Current Range Power Dissipation Operating temperature Storage temperature Range Parameter Reference lnput Voltage Deviation of reference input Voltage Over temperature (note ) VKA IKA Iref PD Topr Tstg
VALUE
37 -100~+150 0.05~+10 350 0~70 -55~+150¡æ
UNITS
V mA mA mW ¡æ ¡æ
ELECTRICAL CHARACTERISTICS£¨ Tamb=25¡æ
Symbol Vref ¡÷ Vref /¡÷ T
unless
otherwise
specified£©
TYP 2.495 4.5 MAX 2.550 17 UNIT V mV
Test
conditions
MIN 2.440
VKA=VREF, IKA=10mA VKA =VREF, IKA =10mA Tmin¡Ü Ta¡Ü Tmax ¡÷ VKA =10V¡«
Ratio Of Change in Reference Input Voltage to the change in Cathode Voltage ¡÷ Vref /¡÷ VKA IKA=10m A
-1.0
-2.7
m V/V
VREF ¡÷ VKA =36V¡« 10V -0.5 -2.0
Reference Input Current Deviation Of Reference Input Current Over Full Temperature Range Minimum cathode current for Regulation Off-state cathode Current Dynamic Impedance
lref
IKA= 10mA,R1=10K¦¸ R2=¡Þ lKA=10mA, R1=10K¦¸ R2=¡Þ T A=full Temperature
1.5
0.5
¦Ì A
¡÷ lref /¡÷ T
0.4
1.2
¦Ì A
IKA(min) IKA(OFF) Z KA
VKA=VREF VKA=36V ,VREF=0 VKA=VREF,lKA=1 to 100mA f¡Ü 1.0KHz
0.45 0.05 0.15
1.0 1.0 0.5
mA
¦Ì A
¦¸
Note£º T MIN=0¡æ,T MAX=+70¡æ
Copyright @vic Electronics Corp. 1 Website http://www.avictek.com
@vic
SOT-23-3L PACKAGE OUTLINE DIMENSIONS
AV431
D
¦È
b
0.2
E1
E
e e1
L C A1 A2 Dimensions In Millimeters Min 1.050 0.000 1.050 0.300 0.100 2.820 1.500 2.650 0.950TPY 1.800 0.700REF 0.300 0° 0.600 8° 0.012 0° 2.000 0.071 0.028REF 0.024 8° Max 1.250 0.100 1.150 0.400 0.200 3.020 1.700 2.950 Min 0.041 0.000 0.041 0.012 0.004 0.111 0.059 0.104 0.037TPY 0.079 A
L1
Symbol A A1 A2 b c D E E1 e e1 L L1 ¦È
Dimensions In Inches Max 0.049 0.004 0.045 0.016 0.008 0.119 0.067 0.116
Copyright @vic Electronics Corp.
2
Website http://www.avictek.com
.