TECHNICAL DATA TL432 Low Voltage Adjustable Precision Shunt Regulator Features PIN CONNECTIONS • Precise Reference Voltage to 1.24V • Guaranteed 2%, 1% , 0.5% Reference Voltage Tolerance • Sink Current Capability, 80µA to100mA • Quick Turn-on • Adjustable Output Voltage, Vo=VREF to 15V • 0.2 Ω Typical Output Impedance • TO-92, SOT-23, SOT-89 packages. ANODE REFERENCE TO-92 Applications • Linear Regulator • Adjustable Supplies • Switching Power Supplies • Battery Charger • Instrumentation • Computer Disk Drives CATHODE SOT-23 SOT-89 Ordering Information Product Number TL432CLF TL432CLS TL432CS TL432CP TL432ALF TL432ALS TL432AS TL432AP TL432LF TL432LS TL432S TL432P Reference Input Voltage Package TO-92 0.5% SOT-23 SOT-89 TO-92 1% SOT-23 SOT-89 TO-92 2% SOT-23 SOT-89 Rev. 01 TL432 Block Diagram Absolute Maximum Ratings Symbol VKA IK I REF Tj Parameter Cathode voltage Continuous cathode current range Reference current range Operating Junction Temperature Range Symbol VKA Rating 18 Unit V Pad # 1 Description IK 100 mA 2 ANODE I REF 3 - 40 to 150 mA 3 CATHODE Tj REF °C Rev. 01 TL432 Electrical Characteristics Ta= 25°C (unless otherwise noted) Symbol Parameter 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 IK(MIN) Dynamic Output Impedance Minimum Operating Current Test Conditions VKA=VREF, lK=10mA (Fig. 1) TA =25°C TL432 (2%) TL432-A (1%) TL432-C (0.5%) TA=full range (see Note1) VKA=VREF, lK=10mA (Fig. 1) !K=10mA, VKA=15V 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=15V Vka=Vref, Ik=1mA to 100mA F ≤1kHz (Fig. 1) VKA=VREF(Fig. 1) Min TL432 Typ Max 1.216 1.228 1.234 1.240 1.240 1.240 1.264 1.252 1.246 10 25 mV -1 -2.7 mV / V 0.5 1.0 µA 0.05 0.3 µA 0.04 0.5 µA 0.2 0.4 Ω 60 80 µA Unit V Notes: 1. Full temperature range is -40°C to 105°C for TL432 Rev. 01 TL432 Rev. 01 TL432 Rev. 01 TL432 Rev. 01 TL432 Package Dimensions TO-92 Rev. 01 TL432 Rev. 01 TL432 Rev. 01