HA17431UA HITACHI, HA17431UA Datasheet
HA17431UA
Available stocks
Related parts for HA17431UA
HA17431UA Summary of contents
Page 1
Description The HA17431 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 HA17431 series products are provided in a wide range of packages; ...
Page 2
HA17431 Series Application Circuit Example Switching power supply secondary-side error amplification circuit Ordering Information Version Item V Version Reference Accuracy 1% ( voltage Max 2.525 V Typ 2.500 V Min 2.475 V Cathode voltage 16 V max Cathode ...
Page 3
... MPAK-5 REF FP-8D A Version HA17431PNA HA17431UPA HA17432UPA HA17431PA HA17431FPA HA17431UA HA17432UA REF A K UPAK (HA17431UA/UPA Face REF A K TO-92 HA17431 Series Normal Version Package MPAK-5 TO-92 UPAK UPAK TO-92MOD HA17431P TO-92MOD FP-8D HA17431FP FP-8D UPAK UPAK ...
Page 4
... K –0.05 to +10 6 800 * T –40 to +85 –55 to +150 HA17431VPJ 16 — –50 to +50 –0. 500 * –40 to +85 –55 to +150 HA17431UA/UPA 40 –100 to +150 –0. 800 * –20 to +85 –55 to +150 HA17431FPJ/FPAJ 40 –100 to +150 –0.05 to +10 7 500 * –40 to +85 –55 to +125 Unit ...
Page 5
Item Symbol Cathode voltage V Continuous cathode current I Reference input current Iref Power dissipation P Operating temperature range Topr Storage temperature Tstg Notes: 1. Voltages are referenced to anode. 2. The PS pin is only provided by the HA17431VLP. ...
Page 6
HA17431 Series Electrical Characteristics (Ta = 25°C) HA17431VLP/VP/VPJ (Ta = 25°C, I Item Symbol Reference voltage Vref Reference voltage Vref(dev) temperature deviation Reference voltage Vref/ Ta temperature coefficient Reference voltage Vref/ V regulation Reference input Iref current Reference current Iref(dev) ...
Page 7
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 Reference voltage Vref/ V regulation Reference input Iref current Reference current Iref(dev) temperature deviation Minimum cathode Imin current Off state ...
Page 8
... 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 HA17431VLP HA17431UA HA17431UPA HA17432UA HA17432UPA 3. The letter (3) shows the production year code (the last digit of the year) for UPAK products. ...
Page 9
Characteristics Curves HA17431VLP/VP/VPJ 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 Cathode Current vs. Cathode Voltage Characteristics 1 1.0 V =Vref K 0.5 ...
Page 10
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 50 0 100 1k 10k Frequency f (Hz) 10 10k 100k VOL ...
Page 11
HA17431PJ/PAJ/FPJ/FPAJ/P/PA/UA/UPA/FP/FPA/PNA/PNAJ, HA17432UA/UPA Oscillation Stability vs. Load Capacitance between Anode and Cathode 150 100 50 0 0.0001 Open Loop Voltage Gain, Phase vs. Frequency Characteristics ( Open Loop Voltage Gain, Phase vs. Frequency Characteristics (2) ...
Page 12
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) 2 220 100 kHz Time ...
Page 13
Reference Voltage Pin Input Current Temperature Characteristics 2 1.5 1 0.5 0 – Ambient temperature Cathode Current vs. Cathode Voltage Characteristics (2) 1 Vref ...
Page 14
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 15
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 16
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 17
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 18
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 19
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 – ...
Page 20
... HA17431 Series Package Dimensions 0.95 4.5 1.8 Max 0.53 Max 0.48 Max 1.5 1.5 3.0 20 1.9 0.2 0.95 + 0.1 5 – 0.4 – 0.05 2.9 0.2 0.1 1.5 0.1 0.44 Max 1 0.44 Max + 0.1 0.16 – 0.05 0 – 0.1 Hitachi Code MPAK-5 JEDEC — EIAJ — Mass (reference value) 0.015 g (1.5) Hitachi Code UPAK JEDEC — EIAJ Conforms Mass (reference value) 0.050 g Unit: mm Unit: mm ...
Page 21
... Max 8 1 1.27 *0.42 0.08 0.40 0.06 *Dimension including the plating thickness Base material dimension 4. 0.75 Max 0.15 0.12 M Hitachi Code JEDEC EIAJ Mass (reference value) HA17431 Series + 0.25 6.50 – 0.15 1.05 0 – 0.25 0.60 – 0.18 FP-8D — Conforms 0.10 g Unit ...
Page 22
... HA17431 Series 0.60 Max 0.5 0.1 22 4.8 0.3 3.8 1.27 2.54 Hitachi Code JEDEC EIAJ Mass (reference value) Unit: mm 0.3 0.5 TO-92 (1) Conforms Conforms 0.25 g ...
Page 23
... Max 0.60 Max 0.5 0.1 1.27 2.54 HA17431 Series 3.8 0.3 0.5 Hitachi Code TO-92 Mod JEDEC — EIAJ Conforms Mass (reference value) 0.35 g Unit ...
Page 24
... Design your application so that the product is used within the ranges guaranteed by Hitachi particularly for maximum rating, operating supply voltage range, heat radiation characteristics, installation conditions and other characteristics ...