TL432A

TL432A Features: Low Voltage Adjustable Precision Shunt Regulator • 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 TO-92 R A K SOT-89 A Order Information Order Number TL432ACPL TL432ACPK TL432ALT1 Package 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 TA= Rating 18 100 3 - 40 to 150 Unit V mA mA °C Electrical Characteristics Symbol VRFF VDEV ∆VREF/∆VKA IREF IREF(DEV) Ik(off) Zka IK(MIN) Parameter Reference voltage 25°C ( unless otherwise noted) Test Conditions 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) TL432A Min 1.228 Typ 1.240 10 -1 0.25 0.05 0.04 0.2 60 Max 1.252 25 -2.7 0.5 0.3 0.5 0.4 80 Unit V mV mV / V µA µA µA Ω µA 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 VKA=VREF(Fig. 1) Notes: 1. Full temperature range is -40°C to 105°C for TL432 TL432A Pad # Pad Name Low Voltage Adjustable Precision Shunt Regulator 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