TL432A

TL432A Programmable Precision Reference SOT-23 Features  Low dynamic output impedance.  Sink current capability of 1 to 100mA.  Low output noise voltage  Fast turn on response Marking: TL432A: 432A TL432AC: 432AC Application  It provides very wide applications, including shunt regulator,series regulator,switching regulator,voltage 2:Cathode (K) reference and others. 1:Reference (R) 3:Anode(A) Absolute Maximum Ratings (Ta=25℃unless otherwise specified) Symbol Value Units Cathode Voltage VKA 20 V Cathode Current Range(Continuous) IKA -100 ~ +100 mA Reference Input Current Range IREF 10 mA Power Dissipation PD 350 mW Operating Junction Temperature TJ +150 °C TSTG -65 ~ +150 °C Parameter Storage Temperature Range Recommended Operating Conditions Symbol Parameter Min. Max. Units VKA Cathode Voltage VREF 18 V IKA Cathode Current 0.1 100 mA TOPR Operating Ambient Temperature Range -20 125 °C www.pingjingsemi.com Revision：1.0 Jan-2020 1/4 TL432A Programmable Precision Reference Electrical Characteristics (Ta=25℃ unless otherwise specified) Symbol VREF ∆VREF ∆VREF ∆VKA IREF ∆IREF Test Conditions Parameter 1.238 1.25 1.262 V TL432AC(0.5%) 1.244 1.25 1.256 V 0°C ≤TA≤70°C 2 10 mV -20°C ≤TA≤125°C 3 15 mV -40°C ≤TA≤125°C 8 25 mV -0.5 -1.5 mV/V 0.15 0.4 µA 0.4 µA 80 µA TL432A(1%) VKA=VREF, IKA=10mA Reference Input Voltage Fig 1 Deviation of Reference Input VKA=VREF,IKA=10mA Voltage Over Temperature Fig 1 Ratio of Change in Reference Input Voltage to IKA=10mA the Change in Cathode Voltage Fig 2 ∆VKA=VREF~16V Reference Input Current Fig 2 IKA=10mA, R1=10kΩ, R2=∞ Deviation of Reference Input Current Over Full IKA=10mA, R1=10kΩ, Temperature Range Fig 2 R2=∞, -20°C ≤TA≤+85°C IKA(MIN) Minimum Cathode Current for Regulation Fig 1 IKA(OFF) Off-State Cathode Current Fig 3 ZKA Min. Typ. Max. Unit VKA=VREF Dynamic Impedance Figure 1. Test Circuit for VKA = Vref Input IK VKA 0.04 0.5 µA VKA=VREF, IKA=1~ 100mA,f≤1.0kHz 0.2 0.4 Ω Figure 2. Test Circuit for VKA > Vref VKA Input R1 Vref VKA=18V, VREF=0 Iref R2 Input Ioff IK V KA Figure 3. Test Circuit for Ioff VKA ǒ Ǔ + Vref 1 ) R1 ) Iref S R1 R2 Vref www.pingjingsemi.com Revision：1.0 Jan-2020 2/4 TL432A Programmable Precision Reference Typical Characteristic Curves Cathode Current versus Cathode Voltage 0 IK=10mA △Vref, REFERENCE INPUT VOLTAGE 50 0 -50 VKA=Vref -100 -1.5 Ta=25℃ -1.0 -0.5 0.0 1.0 0.5 VKA, CATHODE VOLTAGE -12 -16 -20 1.5 0 3 6 9 VKA, CATHODE VOLTAGE 12 15 (V) Off-State Cathode Current versus Ambient Temperature (nA) 40 (nA) Iref, REFERENCE INPUT CURRENT -8 Reference Input Current versus Ambient Temperature 500 400 300 200 100 IK=10mA 0 -40 Ta=25℃ -4 (V) R1=10KΩ -20 0 20 40 60 Ta, AMBIENT TEMPERATURE www.pingjingsemi.com Revision：1.0 Jan-2020 80 (℃) 100 Ioff, OFF-STATE CATHODE CURRENT IK, CATHODE CURRENT (mA) (mV) 100 Change in Reference Input Voltage versus Cathode Voltage 35 30 25 20 15 10 VKA=15V 5 Vref=0V 0 -40 -20 0 20 40 Ta, AMBIENT TEMPERATURE 60 80 100 (℃) 3/4 TL432A Programmable Precision Reference Package Outline SOT-23 0.8 Max. A 0.900 1.025 1.150 A1 0.000 0.050 0.100 b c D 0.300 0.080 2.800 0.400 0.115 2.900 0.500 0.150 3.000 E 1.200 1.300 1.400 HE 2.250 2.400 2.550 e 1.800 1.900 2.000 0.550REF L1 L 0.300 0o θ 0.500 8o 2.2 Typ. 0.8 1.0 Min. 1.0 Dimensions in millimeter Symbol 1.9 SOT-23 Recommended soldering pad Ordering Information Device Package Shipping TL432A SOT-23 3000PCS/Reel&Tape www.pingjingsemi.com Revision：1.0 Jan-2020 4/4