TL432A Low Voltage Adjustable Precision Shunt Regulator Features: • Precise Reference Voltage to 1.24V • Guaranteed 1% Reference Voltage Tolerance • Sink Current Capability, 80µA to100mA • Quick Turn-on • Adjustable Output Voltage, Vo=VREF to 18V • 0.2 Ω Typical Output Impedance Package and Pin Connections K A R A R K R TO-92 A K SOT-89 Order Information A Order Number Package TL432ACPL TL432ACPK TL432ALT1 TO-92 SOT-89T&R SOT-23T&R R K SOT-23 Absolute Maximum Ratings Symbol VKA IK I REF Tj Parameter Cathode voltage Continuous cathode current range Reference current range Operating Junction Temperature Range Electrical Characteristics Symbol TA= Rating 18 100 3 - 40 to 150 Unit V mA mA °C 25°C ( unless otherwise noted) Parameter Test Conditions VRFF Reference voltage VDEV VREF Temp Deviation ∆VREF/∆VKA Ratio of Change in VREF to Change in Cathode Voltage IREF Reference Input Current IREF(DEV) IREF Temp Deviation Ik(off) Off-state cathode current Zka Dynamic Output Impedance VKA=VREF, lK=10mA (Fig. 1) TA =25°C TA=full range(see Note1) VKA=VREF, lK=10mA(Fig. 1) !K=10mA, VKA=18V to VREF (Fig. 2) IK=10mA, R1 =10kΩ R2=∞ (Fig.2) TK=full range (see Note 1), R1 =10kΩ, R2=∞, IK=10mA (Fig. 2) VREF=0 V,(Fig.3) Vk=18V Vka=Vref, Ik=1mA to 100mA F ≤1kHz (Fig. 1) IK(MIN) Minimum Operating Current VKA=VREF(Fig. 1) Notes: 1. Full temperature range is -40°C to 105°C for TL432 TL432A Unit Min Typ Max 1.228 1.240 1.252 10 25 mV -1 -2.7 mV / V 0.25 0.5 µA 0.05 0.3 µA 0.04 0.5 µA 0.2 0.4 Ω 60 80 µA V TL432A Low Voltage Adjustable Precision Shunt Regulator Pad # Pad Name Description Bond Pad (µm) X Y 1 2 3 K A REF CATHODE ANODE REF 130 x 130 130 x 130 130 x 130 150 700 150 700 150 150 0.0 0.85 x0.85 mm2