A431xM Semiconductor Programmable Voltage Reference Features • • • • • • Programmable output voltage to 20 volts Sink current capability of 1.0mA to 100mA Low dynamic impedance 0.15Ω typical Temperature compensated for operation over full rated operating temperature Equivalent full-range temperature coefficient of 50ppm/°C (Typical) Low output Noise voltage Ordering Information Type NO. Marking A431xM A431□ Package Code TO-92M □: grade => None:2% , A:1%, B:0.5% Outline Dimensions unit : mm Symbol 3.0±0.1 4.0±0.1 0.44 REF 14.0±0.40 0.52 REF Functional block diagram 1.27 Typ. 2.54±0.1. 2 3 3.0±0.1 3.8 Min. 0.42 Typ. 0.7 Typ. 1 PIN Connections 1. Reference 2. Anode 3. Cathode KSI-9039-002 1 A431xM Absolute maximum ratings (Operating ambient temperature range applies unless other specified) Parameter Symbol Ratings Unit VKA 20 V Cathode current range(Continuous) IK -100 ~+150 mA Reference input current range(Continuous) Iref -0.05~+10 mA Power dissipation PD 500 mW Operating temperature range Topr -40~+85 °C Storage temperature range Tstg -65~+150 °C Cathode to anode voltage Recommended operating conditions Parameter Ratings Symbol Cathode to Anode voltage Cathode current range(Continuous) Unit Min. Max. VKA Vref 20 V IK 1.0 100 mA Electrical Characteristics (Ambient temperature at 25°C, unless otherwise noted.) Parameter Symbol Reference input voltage (Fig. 1, Note 1) Vref Deviation of reference input voltage Over temperature(Fig. 1, Note 1,2) Ratio of change in reference input Voltage to the change in cathode Voltage(Fig. 2) ∆Vref ∆Vref ∆VKA Reference input current(Fig. 2) Iref Deviation of reference input voltage over temperature(Fig. 2) Minimum cathode current for Regulation(Fig. 1) ∆Iref Condition VKA=Vref, IK=10mA Min. A431BM 2.482 A431AM 2.470 VKA=Vref , IK=10mA @Ta=TLOW to THIGH IK=10mA ∆VKA=10V-Vref ∆VKA=20V-10V IK=10mA R1=10KΩ, R2=∞ IK=10mA R1=10KΩ, R2=∞ Typ. 2.495 Max. 2.508 2.520 Unit V - 7.0 30 mV - 1.2 0.7 2.7 2.0 mV/V - 1.8 4.0 µA - 0.4 2.5 µA IMIN VKA=Vref - 0.35 1.0 mA Off-state cathode current(Fig. 3) IOFF VKA=20V, Vref=0V - 2.7 1000 nA Dynamic impedance(Fig. 1, Note 3) ZKA VKA=Vref, f≤1.0KHz IKA=1.0mA-100mA - 0.14 0.5 Ω Fig. 1 Fig. 2 Fig. 3 <Note 1> : TLOW=-40°C, THIGH=+85°C , <Note 2> : ∆Vref= Vref Max. - Vref Min. , <Note 3> : ZKA= ∆VKA/ ∆IK KSI-9039-002 2 A431xM Characteristic diagrams Fig. 4 IK vs. VKA Fig. 6 ∆V ref vs. Ta Fig. 5 IMIN vs. VKA Fig. 7 Gv vs. frequency Fig. 8 Pulse response KSI-9039-002 3 A431xM These AUK products are intended for usage in general electronic equipments(Office and communication equipment, measuring equipment, domestic electrification, etc.). Please make sure that you consult with us before you use these AUK products in equipments which require high quality and/or reliability, and in equipments which could have major impact to the welfare of human life(atomic energy control, airplane, spaceship, traffic signal, combustion central, all types of safety device, etc.). AUK cannot accept liability to any damage which may occur in case these AUK products were used in the mentioned equipments without prior consultation with AUK. KSI-9039-002 4