HA17431P HITACHI [Hitachi Semiconductor], HA17431P Datasheet
HA17431P
Available stocks
Related parts for HA17431P
HA17431P Summary of contents
Page 1
...
Page 2
Cautions Keep safety first in your circuit designs! 1. Renesas Technology Corporation puts the maximum effort into making semiconductor products better and more reliable, but there is always the possibility that trouble may occur with them. Trouble with semiconductors may ...
Page 3
Description The HA17431 series is temperature-compensated variable shunt regulators. The main application of these products is in voltage regulators that provide a variable output voltage. The on-chip high-precision reference voltage source can provide ±1% accuracy in the V versions, which ...
Page 4
... Vout – 2kΩ REF GND HA17431VLP Normal A Version Version ±2.2% ±4% 2.550 V 2.595 V 2.495 V 2.495 V 2.440 V 2.395 max 40 V max 150 mA max 150 mA max HA17431PNAJ HA17431PAJ HA17431PJ HA17431FPAJ HA17431FPJ Operating Temperature Package Range TO-92 –40 to +85°C TO-92MOD FP-8D ...
Page 5
... REF A K REF K FP-8D REF Normal A Version Version HA17431PNA HA17431UPA HA17432UPA HA17431PA HA17431P HA17431FPA HA17431FP HA17431UA HA17432UA MPAK UPAK (HA17432VLTP) (HA17431UA/UPA/VUP REF REF A TO-92 Mark side REF A K HA17431 Series ...
Page 6
... HA17431VLTP/HA17432VLTP 16 — –50 to +50 –0.05 to +10 8 150 * –20 to +85 –55 to +150 HA17431P/PA HA17431FP/FPA 40 40 –100 to +150 –100 to +150 –0.05 to +10 –0. 800 * 500 * –20 to +85 –20 to +85 –55 to +150 – ...
Page 7
... Ta ≤ 25° > 25°C, derate by 6.4 mW/° × × 1.5mmt glass epoxy board(5% wiring density), Ta ≤ 25° > 25°C, derate by 5 mW/° × × 0.7mmt alumina ceramic board,Ta ≤ 25° > 25°C, derate by 6.4 mW/°C. HA17431PJ/PAJ 40 –100 to +150 –0.05 to +10 5 ...
Page 8
HA17431 Series Electrical Characteristics HA17431VLP/VP/VPJ/VUP/VLTP, HA17432VUP/VLTP (Ta = 25° mA) K Item Symbol Reference voltage Vref Reference voltage Vref(dev) temperature deviation ∆Vref/∆Ta Reference voltage temperature coefficient ∆Vref/∆V Reference voltage KA regulation Reference input Iref current Reference current ...
Page 9
... Electrical Characteristics (cont.) HA17431PJ/PAJ/FPJ/FPAJ/P/PA/UA/UPA/FP/FPA/PNA/PNAJ, HA17432UA/UPA (Ta = 25° mA) K Item Symbol Reference voltage Vref Reference voltage Vref(dev) temperature deviation ∆Vref/∆V Reference voltage KA regulation Reference input Iref current Reference current Iref(dev) temperature deviation Minimum cathode Imin current Off state cathode ...
Page 10
HA17431 Series MPAK-5(5-pin), MPAK(3-pin) and UPAK Marking Patterns The marking patterns shown below are used on MPAK-5, MPAK and UPAK products. Note that the product code and mark pattern are different. The pattern is laser-printed. HA17431VLP HA17431VLTP ...
Page 11
Characteristics Curves HA17431VLP/VP/VPJ/VUP/VLTP, HA17432VUP/VLTP Reference Voltage Temperature Characteristics 2.575 V =Vref K I =10mA K 2.550 2.525 2.500 2.475 2.450 2.425 – Ambient temperature Ta (˚C) Cathode Current vs. Cathode Voltage Characteristics 1 1.0 V =Vref K ...
Page 12
HA17431 Series Dynamic Impedance vs. Frequency Characteristics 100 10 1 0.1 0.01 100 1k Frequency f (Hz) Open Loop Voltage Gain, Phase vs. Frequency Characteristics 100 1k 10k Frequency f (Hz) Rev.1, Sep. 2002, page 10 of ...
Page 13
... HA17431PJ/PAJ/FPJ/FPAJ/P/PA/UA/UPA/FP/FPA/PNA/PNAJ, HA17432UA/UPA Oscillation Stability vs. Load Capacitance between Anode and Cathode 150 Stable 100 region 50 0 0.0001 Open Loop Voltage Gain, Phase vs. Frequency Characteristics ( Open Loop Voltage Gain, Phase vs. Frequency Characteristics ( –4 10 Oscillation region ...
Page 14
HA17431 Series Reference Voltage Pin Input Current vs. Cathode Voltage Characteristics 2.5 2.0 1.5 1.0 0.5 0 Pulse Response INPUT 5 (P. OUTPUT (Vout) 2 220 Ω 50 Ω Vout 1 GND P 100 kHz 0 ...
Page 15
Reference Voltage Pin Input Current Temperature Characteristics kΩ ∞ 1.5 1 0.5 0 – Ambient temperature Ta (˚C) Cathode Current vs. ...
Page 16
HA17431 Series Application Examples As shown in the figure on the right, this IC operates as an inverting amplifier, with the REF pin as input pin. The open-loop voltage gain is given by the reciprocal of “reference voltage deviation by ...
Page 17
Application Hints (cont.) No. Application Example 3 Single power supply inverting comparator circuit Rin K Vin REF A GND 4 AC amplifier circuit Cin R 3 Vin REF Gain ...
Page 18
HA17431 Series Application Hints (cont.) No. Application Example 6 Constant voltage regulator circuit GND 7 Discharge type constant current circuit 2 GND – 8 Induction ...
Page 19
Design Guide for AC-DC SMPS (Switching Mode Power Supply) Use of Shunt Regulator in Transformer Secondary Side Control This example is applicable to both forward transformers and flyback transformers. A shunt regulator is used on the secondary side as an ...
Page 20
HA17431 Series AC characteristic determination: This refers to the determination of the gain frequency characteristic of the shunt regulator as an error amplifier. Taking the configuration in figure 2, the error amplifier characteristic is as shown in figure 3. Figure ...
Page 21
Practical Example Consider the example of a photocoupler, with an internal light emitting diode V power supply output voltage V 2 the shunt regulator the following values are found – 1.05V – ...
Page 22
HA17431 Series Package Dimensions + 0.10 0.4 – 0.05 0.95 1.9 ± 0.2 2.95 ± 0.2 0.95 Rev.1, Sep. 2002, page 0.95 Hitachi Code JEDEC JEITA Mass (reference value) 1.9 ± 0.2 0.95 + 0.1 5 – ...
Page 23
Max φ 1 0.53 Max 0.48 Max 1.5 1.5 3.0 4.85 5.25 Max 8 1 0.75 Max 1.27 *0.42 ± 0.08 0.40 ± 0.06 *Dimension including the plating thickness Base material dimension 1.5 ± 0.1 0.44 ...
Page 24
HA17431 Series 0.60 Max 0.55 Max Rev.1, Sep. 2002, page 4.8 ± 0.3 3.8 ± 0.3 1.27 2.54 Hitachi Code JEDEC JEITA Mass (reference value January, 2002 Unit: mm 0.5 Max TO-92 (1) Conforms Conforms ...
Page 25
Max 0.60 Max 0.55 Max 1.27 2.54 HA17431 Series As of January, 2002 3.8 ± 0.4 0.5 Max Hitachi Code TO-92 Mod JEDEC — JEITA Conforms Mass (reference value) 0.35 g Rev.1, Sep. ...
Page 26
HA17431 Series Disclaimer 1. Hitachi neither warrants nor grants licenses of any rights of Hitachi’s or any third party’s patent, copyright, trademark, or other intellectual property rights for information contained in this document. Hitachi bears no responsibility for problems that ...