TL432

TECHNICAL DATA Low Voltage Adjustable Precision Shunt Regulator Features • 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. Applications • Linear Regulator • Adjustable Supplies • Switching Power Supplies • Battery Charger • Instrumentation • Computer Disk Drives TO-92 TL432 PIN CONNECTIONS ANODE REFERENCE CATHODE SOT-23 SOT-89 Ordering Information Product Number TL432CLF TL432CLS TL432CS TL432CP TL432ALF TL432ALS TL432AS TL432AP TL432LF TL432LS TL432S TL432P Reference Input Voltage TO-92 0.5% SOT-23 SOT-89 TO-92 1% SOT-23 SOT-89 TO-92 2% SOT-23 SOT-89 Package 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 IK I REF Tj Rating 18 100 3 - 40 to 150 Unit V mA mA ° C Pad # 1 2 3 Description REF ANODE CATHODE Rev. 01 TL432 Electrical Characteristics Ta= 25° (unless otherwise noted) C Symbol Parameter 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) Min 1.216 1.228 1.234 TL432 Typ 1.240 1.240 1.240 10 -1 0.5 0.05 0.04 0.2 60 Max 1.264 1.252 1.246 25 -2.7 1.0 0.3 0.5 0.4 80 Unit VRFF Reference voltage V VDEV ∆VREF/∆VKA IREF IREF(DEV) Ik(off) Zka IK(MIN) VREF Temp Deviation Ratio of Change in VREF to Change in Cathode Voltage Reference Input Current IREF Temp Deviation Off-state cathode current Dynamic Output Impedance Minimum Operating Current mV mV / V µA µA µA Ω µA !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) Notes: 1. Full temperature range is -40° to 105°C for TL432 C Rev. 01 TL432 Rev. 01 TL432 Rev. 01 TL432 Rev. 01 TL432 Package Dimensions TO-92 Rev. 01 TL432 Rev. 01 TL432 Rev. 01