Datasheet NCP431 (ON Semiconductor) - 3
| Fabricante | ON Semiconductor |
| Descripción | Voltage Reference, Low Cathode Current, Programmable, Shunt Regulator |
| Páginas / Página | 22 / 3 — NCP431A, SC431A, NCP431B, SC431B, NCP432B, SC432B Series. ELECTRICAL … |
| Formato / tamaño de archivo | PDF / 711 Kb |
| Idioma del documento | Inglés |
NCP431A, SC431A, NCP431B, SC431B, NCP432B, SC432B Series. ELECTRICAL CHARACTERISTICS. NCP431AV/. NCP431AC. NCP431AI. SC431AV
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NCP431A, SC431A, NCP431B, SC431B, NCP432B, SC432B Series ELECTRICAL CHARACTERISTICS
(TA = 25°C, unless otherwise noted.)
NCP431AV/ NCP431AC NCP431AI SC431AV Symbol Characteristic Min Typ Max Min Typ Max Min Typ Max Unit
Vref Reference Input Voltage V VKA = Vref, IK = 1 mA TA = 25°C 2.475 2.500 2.525 2.475 2.500 2.525 2.475 2.500 2.525 TA = Tlow to Thigh (Figure 3, Note 2) 2.475 2.500 2.525 2.465 2.500 2.525 2.460 2.500 2.525 DVrefT Reference Input Voltage Deviation Over Temperat- − − − − 5.0 10 − 10 15 mV ure Range (Figure 3, Notes 3, 4) VKA= Vref, IK = 1 mA DVref Ratio of Change in Reference Input Voltage to mV/ DV Change in Cathode to Anode Voltage V KA IK = 1 mA (Figure 4), DVKA = 10 V to Vref − −1.85 −3.1 − −1.85 −3.1 − −1.85 −3.1 DVKA = 36 V to 10 V − −0.80 −1.8 − −0.80 −1.8 − −0.80 −1.8 Iref Reference Input Current (Figure 4) nA IK = 1 mA, R1 = 220 k, R2 = R − 81 190 − 81 190 − 81 190 TA = −40°C to +125°C DIrefT Reference Input Current Deviation Over Temperat- nA ure Range (Figure 4, Note 3) − 22 55 − 22 55 − 22 55 IK = 1 mA, R1 = 10 k, R2 = R Imin Minimum Cathode Current For Regulation − 40 60 − 40 60 − 40 60 mA VKA = Vref (Figure 3) Ioff Off−State Cathode Current (Figure 5) − 180 1000 − 180 1000 − 180 1000 nA VKA = 36 V, Vref = 0 V |ZKA| Dynamic Impedance (Figure 3, Note 5) − 0.22 0.5 − 0.22 0.5 − 0.22 0.5 W VKA = Vref, DIK = 1.0 mA to 100 mA f v 1.0 kHz Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product performance may not be indicated by the Electrical Characteristics if operated under different conditions. 2. Tlow = −40°C for NCP431AI, NCP431AV, SC431AV = 0°C for NCP431AC Thigh = 70°C for NCP431AC = 85°C for NCP431AI = 125°C for NCP431AV, SC431AV 3. Guaranteed by design 4. The deviation parameter DVrefT is defined as the difference between the maximum and minimum values obtained over the full operating ambient temperature range that applies. The average temperature coefficient of the reference input voltage, Vref is defined as: ǒ DVref Ǔ 106 ppm Vref@25°C DVref 106 Vref + + ° C DTA DT ǒ A Vref@25° CǓ aVref can be positive or negative depending on whether Vref Min or Vref Max occurs at the lower ambient temperature. Example: DVrefT = 17 mV and slope is positive Vref = 2.5 V, DTA = 165°C (from −40°C to +125°C) 0.017 @ 106 aVref + + 41.2 ppmń° C 165 @ 2.5 5. The dynamic impedance ZKA is defined as: (|ZKA| = (DVKA/DIK). When the device is programmed with two external resistors, R1 and R2, the total dynamic impedance of the circuit is defined as: |ZKA’| [ |ZKA| (1 + (R1/R2)). 6. SC431AVSNT1G − Tlow = −40°C, Thigh = 125°C. Guaranteed by design. SC Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC−Q100 Qualified and PPAP Capable.
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NCP431A, SC431A, NCP431B, SC431B, NCP432B, SC432B Series ELECTRICAL CHARACTERISTICS
(TA = 25°C, unless otherwise noted.)
NCP431AV/ NCP431AC NCP431AI SC431AV Symbol Characteristic Min Typ Max Min Typ Max Min Typ Max Unit
Vref Reference Input Voltage V VKA = Vref, IK = 1 mA TA = 25°C 2.475 2.500 2.525 2.475 2.500 2.525 2.475 2.500 2.525 TA = Tlow to Thigh (Figure 3, Note 2) 2.475 2.500 2.525 2.465 2.500 2.525 2.460 2.500 2.525 DVrefT Reference Input Voltage Deviation Over Temperat- − − − − 5.0 10 − 10 15 mV ure Range (Figure 3, Notes 3, 4) VKA= Vref, IK = 1 mA DVref Ratio of Change in Reference Input Voltage to mV/ DV Change in Cathode to Anode Voltage V KA IK = 1 mA (Figure 4), DVKA = 10 V to Vref − −1.85 −3.1 − −1.85 −3.1 − −1.85 −3.1 DVKA = 36 V to 10 V − −0.80 −1.8 − −0.80 −1.8 − −0.80 −1.8 Iref Reference Input Current (Figure 4) nA IK = 1 mA, R1 = 220 k, R2 = R − 81 190 − 81 190 − 81 190 TA = −40°C to +125°C DIrefT Reference Input Current Deviation Over Temperat- nA ure Range (Figure 4, Note 3) − 22 55 − 22 55 − 22 55 IK = 1 mA, R1 = 10 k, R2 = R Imin Minimum Cathode Current For Regulation − 40 60 − 40 60 − 40 60 mA VKA = Vref (Figure 3) Ioff Off−State Cathode Current (Figure 5) − 180 1000 − 180 1000 − 180 1000 nA VKA = 36 V, Vref = 0 V |ZKA| Dynamic Impedance (Figure 3, Note 5) − 0.22 0.5 − 0.22 0.5 − 0.22 0.5 W VKA = Vref, DIK = 1.0 mA to 100 mA f v 1.0 kHz Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product performance may not be indicated by the Electrical Characteristics if operated under different conditions. 2. Tlow = −40°C for NCP431AI, NCP431AV, SC431AV = 0°C for NCP431AC Thigh = 70°C for NCP431AC = 85°C for NCP431AI = 125°C for NCP431AV, SC431AV 3. Guaranteed by design 4. The deviation parameter DVrefT is defined as the difference between the maximum and minimum values obtained over the full operating ambient temperature range that applies. The average temperature coefficient of the reference input voltage, Vref is defined as: ǒ DVref Ǔ 106 ppm Vref@25°C DVref 106 Vref + + ° C DTA DT ǒ A Vref@25° CǓ aVref can be positive or negative depending on whether Vref Min or Vref Max occurs at the lower ambient temperature. Example: DVrefT = 17 mV and slope is positive Vref = 2.5 V, DTA = 165°C (from −40°C to +125°C) 0.017 @ 106 aVref + + 41.2 ppmń° C 165 @ 2.5 5. The dynamic impedance ZKA is defined as: (|ZKA| = (DVKA/DIK). When the device is programmed with two external resistors, R1 and R2, the total dynamic impedance of the circuit is defined as: |ZKA’| [ |ZKA| (1 + (R1/R2)). 6. SC431AVSNT1G − Tlow = −40°C, Thigh = 125°C. Guaranteed by design. SC Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC−Q100 Qualified and PPAP Capable.
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