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SL431A Dataheets PDF



Part Number SL431A
Manufacturers AUK
Logo AUK
Description Programmable Voltage Reference
Datasheet SL431A DatasheetSL431A Datasheet (PDF)

Semiconductor SL431A Programmable Voltage Reference Features • Programmable output voltage to 36 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 • Voltage reference tolerance : ±1.0% (Ta=25 ) Ordering Information Type NO. SL431A Outline Dimensions Marking SL431A Package Code TO-9.

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Semiconductor SL431A Programmable Voltage Reference Features • Programmable output voltage to 36 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 • Voltage reference tolerance : ±1.0% (Ta=25 ) Ordering Information Type NO. SL431A Outline Dimensions Marking SL431A Package Code TO-92 unit : mm Symbol 4.5±0.1 3.45±0.1 2.25±0.1 4.5±0.1 0.4±0.02 1.27 Typ. 2.54 Typ. 123 2.06±0.1 Functional block diagram KSI-9008-001 PIN Connections 1. Reference 2. Anode 3. Cathode 1 1.20±0.1 0.38 SL431A Absolute maximum ratings (Operating ambient temperature range applies unless other specified) Parameter Symbol Cathode to anode voltage Cathode current range(Continuous) Reference input current range(Continuous) Power dissipation Operating temperature range Storage temperature range VKA IK Iref PD* Topr Tstg Ratings 37 -100 ~+150 -0.05~+10 700 -40~+85 -65~+150 Unit V mA mA mW °C °C Recommended operating conditions Parameter Symbol Cathode to Anode voltage Cathode current range(Continuous) VKA IK Ratings Min. Max. Vref 36 1.0 100 Unit V mA Electrical Characteristics (Ambient temperature at 25°C, unless otherwise noted.) Parameter Symbol Reference input voltage (Fig. 1, Note 1) 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 ∆Vref ∆VKA Reference input current(Fig. 2) Deviation of reference input voltage over temperature(Fig. 2) Minimum cathode current for Regulation(Fig. 1) Off-state cathode current(Fig. 3) Iref ∆Iref IMIN IOFF Dynamic impedance(Fig. 1, Note 3) ZKA Condition VKA=Vref, IK=10mA VKA=Vref , IK=10mA @Ta=TLOW to THIGH IK=10mA ∆VKA=10V-Vref ∆VKA=36V-10V IK=10mA R1=10KΩ, R2=∞ IK=10mA R1=10KΩ, R2=∞ VKA=Vref VKA=36V, Vref=0V VKA=Vref, f≤1.0KHz IKA=1.0mA-100mA Min. Typ. Max. Unit 2.47 2.495 2.52 V - 7.0 30 mV - 1.2 2.7 mV/V - 0.7 2.0 - 1.8 4.0 µA - 0.4 2.5 µA - 0.35 1.0 mA - 2.7 1000 nA - 0.14 0.5 Ω Fig. 1 Fig. 2 Fig. 3 : TLOW=-40°C, THIGH=+85°C , : ∆Vref= Vref Max. - Vref Min. , : ZKA= ∆VKA/ ∆IK KSI-9008-001 2 Characteristic diagrams Fig. 4 IK vs. VKA Fig. 5 IMIN vs. VKA SL431A Fig. 6 ∆V ref vs. Ta Fig. 7 ∆Vref vs. VKA Fig. 8 Gv vs. frequency Fig. 9 Pulse reponse KSI-9008-001 3 .


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