HA17431HLP HITACHI [Hitachi Semiconductor], HA17431HLP Datasheet
HA17431HLP
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HA17431HLP Summary of contents
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Description The HA17431H series is a family of voltage referenced shunt regulators. The main application of these products is in voltage regulators that provide a variable output voltage. The HA17431H series products are provided in a wide range of packages; ...
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... HA17431H Series Application Circuit Example Switching power supply secondary-side error amplification circuit Ordering Information Item Industrial use HA17431HLP HA17431HP HA17431HUP HA17432HUP HA17431HLTP HA17432HLTP Pin Arrangement MPAK REF A K MPAK (HA17431HLTP) A REF K Rev.0, Sep. 2001, page – REF A HA17431H Series ...
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... Absolute Maximum Ratings (Ta = 25°C) Ratings Item Symbol HA17431HLP Cathode voltage Continuous I –50 to +50 K cathode current Reference input Iref –0. current Power dissipation P 150 * T Operating Topr –20 to +85 temperature range Storage Tstg –55 to +150 temperature Notes: 1. Voltages are referenced to anode. ...
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HA17431H Series Electrical Characteristics (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 regulation Reference input Iref current Reference current Iref(dev) temperature deviation ...
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... Notes: 1. Boxes (1) to (5) in the figures show the position of the letters or numerals, and are not actually marked on the package. 2. The letters (1) and (2) show the product specific mark pattern. Product HA17431HLP HA17431HUP HA17432HUP HA17431HLTP HA17432HLTP 3. The letter (3) shows the production year code (the last digit of the year) for UPAK products. ...
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HA17431H Series Application Examples As shown in figure 1, 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 cathode voltage ...
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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 ...
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HA17431H Series Application Hints (cont.) No. Application Example 6 Constant voltage regulator circuit GND 7 Discharge type constant current circuit 2 GND – 8 Induction ...
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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 ...
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HA17431H 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 ...
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Practical Example Consider the example of a photocoupler, with an internal light emitting diode V power supply output voltage V the shunt regulator the following values are found – 1.05V – ...
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HA17431H Series Package Dimensions 0.95 4.5 ± 0.1 1.8 Max 0.53 Max 0.48 Max 1.5 1.5 3.0 Rev.0, Sep. 2001, page 1.9 ± 0.2 0.95 + 0.1 5 – 0.4 – 0.05 2.9 ± 0.2 Hitachi Code ...
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Max 0.55Max 1.27 2.54 HA17431H Series As of January, 2001 3.8 ± 0.4 0.5Max Hitachi Code TO-92 (1) JEDEC Conforms EIAJ Conforms Mass (reference value) 0.25 g Rev.0, Sep. 2001, page Unit: mm ...
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HA17431H Series + 0.10 0.4 – 0.05 0.95 1.9 ± 0.2 2.95 ± 0.2 Rev.0, Sep. 2001, page 0.95 Hitachi Code JEDEC EIAJ Mass (reference value January, 2001 + 0.10 0.16 – 0.06 0 – ...
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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 may arise ...