JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD JCET CD431 SOT-23 Encapsulate Adjustable Reference Source 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 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 ℃/W RθJA 417 Operating Temperature Topr -25~+85 ℃ Junction Temperature TJ 150 ℃ Tstg -65~+150 ℃ Thermal Resistance from Junction to Ambient StorageTemperature Range ELECTRICAL CHARACTERISTICS (Tamb=25℃ unless otherwise specified) Parameter Reference input voltage Deviation of reference input voltage over temperature (note) Symbol Test Vref VKA=VREF, IKA=10mA △Vref/△T VKA =VREF, IKA =10mA TMIN≤Ta≤TMAX △VKA Ratio of change in reference input voltage to the change in cathode condition △Vref/△VKA IKA=10mA voltage =10V～VREF △VKA =36V～ 10V Reference input current Deviation of reference input current over full temperature range Minimum cathode current for regulation Off-state cathode current Dynamic impedance 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 lref IKA= 10mA,R1=10kΩ R2=∞ 1.5 4 μA △lref/△T lKA=10mA, R1=10kΩ R2=∞ TA=-25 to 85℃ 0.4 1.2 μA IKA(min) VKA=VREF 0.45 1.0 mA 0.05 0.5 μA 0.15 0.5 Ω IKA(OFF) ZKA VKA=36V ,VREF=0 VKA=VREF,lKA=1 to 100mA f≤1.0kHz Note:TMIN=-25℃ ,TMAX=+85℃ CLASSIFICATION of Vref www.cj-elec.com Rank 0.5% 1% Range 2.487-2.513 1 2.475-2.525 F,Aug,2015 SOT-23 Package Outline Dimensions Symbol A A1 A2 b c D E E1 e e1 L L1 θ Dimensions In Millimeters Min Max 0.900 1.150 0.000 0.100 0.900 1.050 0.300 0.500 0.080 0.150 2.800 3.000 1.200 1.400 2.250 2.550 0.950 TYP 1.800 2.000 0.550 REF 0.300 0.500 0° 8° Dimensions In Inches Min Max 0.035 0.045 0.000 0.004 0.035 0.041 0.012 0.020 0.003 0.006 0.110 0.118 0.047 0.055 0.089 0.100 0.037 TYP 0.071 0.079 0.022 REF 0.012 0.020 0° 8° SOT-23 Suggested Pad Layout www.cj-elec.com 2 F,Aug,2015 SOT-23 Tape and Reel www.cj-elec.com 3 F,Aug,2015