JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD TO-92 Encapsulate Adjustable Reference Source JC(T CJ431 Adjustable Accurate Reference Source TO-92 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/℃ z The effective temperature compensation in the working range of full temperature z Low output noise voltage z Fast on -state response z z z z 1.REFERENCE 2.ANODE 3.CATHODE ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified) Parameter Cathode Voltage Cathode Current Range (Continuous) Reference lnput Current Range Power Dissipation Thermal Resistance from Junction to Ambient Operating Ambient Temperature Range Storage Temperature Range 6\PERO VKA IKA Iref PD RθJA Topr Tstg VDOXH 37 -100-+150 0.05-+10 770 162 -25~+85 -65~+150 Tj 150 Operating Junction Temperature UQLW V mA mA mW ℃/W ℃ ℃ ℃ ELECTRICAL CHARACTERISTICS (Ta=25 ℃ unless otherwise specified) Parameter Reference lnput Voltage Symbol Vref Deviation of Reference Input Voltage Over Temperature (note) △Vref /△T Ratio Of Change in Reference lnput Voltage to the Change in Cathode Voltage △Vref /△VKA Reference lnput Current Deviation Of Reference lnput Current Over Full Temperature Range Minimum Cathode Current for Regulation Off-state Cathode Current Dynamic lmpedance lref △lref /△T IKA(min) IKA(OFF) ZKA Test conditions Min Typ Max Unit 2.5 2.525 4.5 17 mV -1.0 -2.7 mV/V -0.5 -2.0 mV/V 1.5 4 μA lKA=10mA, R1=10kΩ R2=∞ TA=-25 to 85℃ 0.4 1.2 μA VKA=VREF 0.45 1.0 mA VKA=36V ,VREF=0 VKA=VREF, lKA=1 to 100mA f≤1.0kHz 0.05 1.0 μA 0.15 0.5 Ω VKA=VREF, IKA=10mA VKA =VREF, IKA =10mA TMIN≤Ta≤TMAX △VKA =10V~VREF IKA=10mA △VKA =36V~10V IKA= 10mA,R1=10kΩ R2=∞ 2.475 V Note:TMIN=-25 ℃ ,TMAX=+85 ℃ CLASSIFICATION RI Vref Rank Range www.cj-elec.com 0.5% 2.487-2.513 1 1% 2.475-2.525 I,Aug,2015 C,Jan,2012 Typical Characteristics Cathode Current versus Cathode Voltage IK, CATHODE CURRENT (mA) 150 100 50 0 -50 VKA=Vref -100 Ta=25℃ -2 -1 0 1 VKA, CATHODE VOLTAGE 2 3 (V) KA Cathode Current versus Cathode Voltage 800 IK, CATHODE CURRENT (uA) 700 KA 600 500 IKA(min) 400 300 200 100 0 -200 -1.0 ref VKA=Vref -100 Ta=25℃ -0.5 0.0 0.5 1.0 1.5 VKA, CATHODE VOLTAGE 2.0 2.5 3.0 (V) Reference Input Voltage versus Ambient Temperature Test Circuit for VKA=Vref Vref, REFERENCE INPUT VOLTAGE (mV) 2525 2500 2475 2450 VKA=Vref 2425 -40 IK=10mA -20 0 20 40 Ta, AMBIENT TEMPERATURE www.cj-elec.com 60 80 100 (℃ ) 2 I,Aug,2015 Jan 2 Typical Characteristics Change in Reference Input Voltage versus Cathode Voltage 0 △Vref, REFERENCE INPUT VOLTAGE (mV) IK=10mA Ta=25℃ -4 -8 -12 -16 -20 0 5 10 15 20 25 VKA, CATHODE VOLTAGE (uA) 35 40 Test Circuit for VKA=Vref (1+R1/R2)+R1*Iref Reference Input Current versus Ambient Temperature 1.50 Iref, REFERENCE INPUT CURRENT 30 (V) 1.25 1.00 0.75 0.50 0.25 IK=10mA 0.00 -40 -20 0 20 40 60 Ta, AMBIENT TEMPERATURE 80 100 (℃ ) Test Circuit for Iref Off-State Cathode Current versus Ambient Temperature Ioff, OFF-STATE CATHODE CURRENT (nA) 40 35 30 25 20 15 10 VKA=36V 5 Vref=0V 0 -40 -20 0 20 40 Ta, AMBIENT TEMPERATURE www.cj-elec.com 60 80 100 Test Circuit for Ioff (℃ ) 3 I,Aug,2015 Jan 2 Dimensions In Millimeters Min Max 3.300 3.700 1.100 1.400 0.380 0.550 0.360 0.510 4.400 4.700 3.430 4.300 4.700 1.270 TYP 2.440 2.640 14.100 14.500 1.600 0.000 0.380 Symbol A A1 b c D D1 E e e1 L Φ h www.cj-elec.com 4 Dimensions In Inches Min Max 0.130 0.146 0.043 0.055 0.015 0.022 0.014 0.020 0.173 0.185 0.135 0.169 0.185 0.050 TYP 0.096 0.104 0.555 0.571 0.063 0.000 0.015 I,Aug,2015 Jan 2 www.cj-elec.com 5 I,Aug,2015 Jan 2