AS431H
Document overview
- Manufacturer or author: Diodes Incorporated
- PDF pages: 15
Technical content
Features
Programmable Precise Output Voltage from 2.495V to 36V High Stability under Capacitive Load Low Temperature Deviation: 5mV Typical Low Equivalent Full -range Temperature Coefficient with 20PPM/°C Typical Sink Current Capacity from 0.5mA to 100mA Low Output Noise Wide Operating Range of -40 to +125°C Lead-Free Packages, Available in “Green” Molding Compound: SOT23, TO92 (Ammo Packing) Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) Halogen and Antimony Free. “Green” Device (Note 3) For automotive applications requiring specific change control (i.e. parts qualified to AEC-Q100/101/104/200, PPAP capable, and manufactured in IATF 16949 certified facilities), please contact us or your local Diodes representative. https://www.diodes.com/quality/product-definitions/
Applications
Chargers Voltage adapters Switching power supplies Graphic cards Precision voltage references Pin Assignments (Top View) SOT23 (Normal Pin-out) (Top View) SOT23 (Mirror Pin-out) (Top View) TO92 (Ammo Packing) Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant. 2. See https://www.diodes.com/quality/lead-free/ for more information about Diodes Incorporated’s definitions of Halo gen- and Antimony-free, "Green" and Lead-free. 3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm brom ine, <900ppm chlorine (<1500ppm total Br + Cl) and <1000ppm antimony compounds. ANODE CATHODEREF ANODE CATHODE REF REF CATHODE ANODE
Document number: DS39284 Rev. 2 - 2 2 of 15 www.diodes.com July 2023 © 2023 Copyright Diodes Incorporated. All Rights Reserved. AS431H Typical Applications Circuit Shunt Regulator High Current Shunt Regulator
Document number: DS39284 Rev. 2 - 2 3 of 15 www.diodes.com July 2023 © 2023 Copyright Diodes Incorporated. All Rights Reserved. AS431H Typical Applications Circuit (continued) Current Source or Current Limit Precision 5V 1A Regulator PWM Converter with Reference
Document number: DS39284 Rev. 2 - 2 4 of 15 www.diodes.com July 2023 © 2023 Copyright Diodes Incorporated. All Rights Reserved. AS431H Functional Block Diagram Absolute Maximum Ratings (Note 4) Symbol Parameter Rating Unit VKA Cathode Voltage 40 V IKA Cathode Current Range (Continuous) -100 to 150 mA IREF Reference Input Current Range 10 mA θJA Thermal Resistance SOT23 380 °C/W TO92 (Ammo Packing) 165 TJ Junction Temperature +150 °C TSTG Storage Temperature Range -65 to +150 °C ESD ESD (Human Body Model) 2000 V Note: 4. Stresses greater than those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “Recommended Operating Condi tions” is not implied. Exposure to “Absolute Maximum Ratings” for extended periods may affect device reliability. Recommended Operating Conditions Symbol Parameter Min Max Unit VKA Cathode Voltage VREF 36 V IKA Cathode Current 0.5 100 mA TA Operating Ambient Temperature Range -40 +125 °C
Document number: DS39284 Rev. 2 - 2 5 of 15 www.diodes.com July 2023 © 2023 Copyright Diodes Incorporated. All Rights Reserved. AS431H Electrical Characteristics (Operating Conditions: TA = +25°C, unless otherwise specified.) Symbol Parameter Test Circuit Conditions Min Typ Max Unit VREF Reference Voltage 0.5%
4 VKA = VREF, IKA = 10mA
2.483 2.495 2.507 V 1.0% 2.470 2.495 2.520 ∆VREF Deviation of Reference Voltage Over Full Temperature Range 4 VKA = VREF, IKA = 10mA 0 to +70°C — 5 8 mV -40 to +85°C — 5 14 -40 to +125°C — 5 16 ∆VREF ∆VKA Ratio of Change in Reference Voltage to the Change in Cathode Voltage
5 IKA = 10mA
∆VKA = 10V to VREF — -1.0 -2.7 mV/V ∆VKA = 36V to 10V — -0.5 -2.0 IREF Reference Current 5 IKA = 10mA, R1 = 10kΩ, R2 = ∞ — 0.7 4 µA ∆IREF Deviation of Reference Current Over Full Temperature Range 5 IKA = 10mA, R1 = 10kΩ, R2 = ∞, TA = -40 to +125°C — 0.4 1.2 µA IKA (Min) Minimum Cathode Current for Regulation 4 VKA = VREF — 0.35 0.5 mA IKA (Off) Off-state Cathode Current 6 VKA = 36V, VREF = 0 — 0.002 0.5 µA ZKA Dynamic Impedance 4 VKA = VREF, IKA = 0.5 to 100mA, f ≤ 1.0KHz — 0.15 0.5 Ω θJC Thermal Resistance — SOT23 — 136 — °C/W TO92 (Ammo Packing) — 80 —
Document number: DS39284 Rev. 2 - 2 6 of 15 www.diodes.com July 2023 © 2023 Copyright Diodes Incorporated. All Rights Reserved. AS431H Electrical Characteristics (continued) Test Circuit 4 for VKA = VREF Test Circuit 5 for VKA > VREF Test Circuit 6 for IOFF
Document number: DS39284 Rev. 2 - 2 7 of 15 www.diodes.com July 2023 © 2023 Copyright Diodes Incorporated. All Rights Reserved. AS431H Performance Characteristics Reference Voltage vs. Ambient Temperature Reference Current vs. Ambient Temperature Cathode Current vs. Cathode Voltage Cathode Current vs. Cathode Voltage Off-State Cathode Current Ratio of Delta Reference Voltage to the vs. Ambient Temperature Ratio of Delta Cathode Voltage -60 -40 -20 0 20 40 60 80 100 120 140 2.480 2.485 2.490 2.495 2.500 2.505 2.510 Reference Voltage (V) Ambient Temperature ( o VKA = VREF IKA = 10mA -60 -40 -20 0 20 40 60 80 100 120 140 0.00 0.25 0.50 0.75 1.00 1.25 1.50 R1=10K,R2=Infinite IKA=10mA Reference Current (A) Ambient Temperature ( -2 -1 0 1 2 3 -100 -50 100 150 Cathode Current (mA) Cathode Voltage (V) VKA=VREF TA=25 C -200 200 400 600 800 Cathode Current (A) Cathode Voltage (V) VKA=VREF TA=25 C -40 -20 0 20 40 60 80 100 120 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 Off-State Cathode Current (A) Ambient Temperature ( o VKA=36V VREF=0 -40 -20 0 20 40 60 80 100 120 -1.4 -1.3 -1.2 -1.1 -1.0 -0.9 VKA=3.5V to 36V VREF / VKA (mV/V) Ambient Temperature ( o
Document number: DS39284 Rev. 2 - 2 8 of 15 www.diodes.com July 2023 © 2023 Copyright Diodes Incorporated. All Rights Reserved. AS431H Performance Characteristics (continued) Small Signal Voltage Gain vs. Frequency Reference Impedance vs. Frequency Stability Boundary Conditions vs. Load Capacitance 1k 10k 100k 1M -10 Voltage Gain (dB) Small Signal Frequency (Hz) TA=25 C IKA=10mA 1K 10K 100K 1,000K 0.1 Reference Impedance () Frequency (Hz) IKA=10mA TA=25 o C 100 1010.10.010.001 StableStable Cathode Current (mA) Load Capacitance (F) TA=25 o C VKA=VREF VKA= 5V:No oscillation VKA=10V:No oscillation VKA=15V:No oscillation
Document number: DS39284 Rev. 2 - 2 9 of 15 www.diodes.com July 2023 © 2023 Copyright Diodes Incorporated. All Rights Reserved. AS431H Performance Characteristics (continued) Pulse Response of Input and Output Voltage 0 2 4 6 Input Input and Output Voltage (V) Time (S) Output
Document number: DS39284 Rev. 2 - 2 10 of 15 www.diodes.com July 2023 © 2023 Copyright Diodes Incorporated. All Rights Reserved. AS431H
Ordering Information
A : 0.5% Pin-Out Package Z : TO92 (Ammo Packing) N : SOT23 RoHS/Green TR : Tape & Reel or Ammo G1 : Green B : 1.0% Product Name Blank : Normal Pin-out M : Mirror Pin-out Orderable Part Number Package Temperature Range Pin-Out Voltage Tolerance Marking ID Packing Quantity Carrier AS431HANTR-G1 SOT23 -40 to +125°C Normal Pin-out 0.5% GJA 3,000 Tape & Reel AS431HBNTR-G1 1.0% GJB 3,000 Tape & Reel AS431HMANTR-G1 SOT23 -40 to +125°C Mirror Pin-out 0.5% GM5 3,000 Tape & Reel AS431HMBNTR-G1 1.0% GM6 3,000 Tape & Reel AS431HAZTR-G1 TO92 (Ammo Packing) -40 to +125°C Normal Pin-out 0.5% 431HAZ-G1 2,000 Ammo AS431HBZTR-G1 1.0% 431HBZ-G1 2,000 Ammo
Document number: DS39284 Rev. 2 - 2 11 of 15 www.diodes.com July 2023 © 2023 Copyright Diodes Incorporated. All Rights Reserved. AS431H Marking Information (1) TO92 (Ammo Packing) (Top View) (2) SOT23 (Top View) First and Second Line: Logo and Marking ID (See Ordering Information) Third Line: Date Code Y: Year WW: Work Week of Molding A: Assembly House Code XX: Internal Code. XXX XXX-XX YWWAXX
Document number: DS39284 Rev. 2 - 2 12 of 15 www.diodes.com July 2023 © 2023 Copyright Diodes Incorporated. All Rights Reserved. AS431H Package Outline Dimensions (All dimensions in mm.) Please see http://www.diodes.com/package-outlines.html for the latest version. (1) TO92 (Ammo Packing) 4.300(0.169) 4.700(0.185) 12.500(0.492) 14.500(0.571) 2.540(0.100) Typ 1.270(0.050) Typ 0. (0.015) 0.550(0.022 ) 4.400(0.173 )4.800(0.189 3.430(0.135) MIN 0.320(0.013) 0.510(0.020) 0.000(0.000) 0.380(0.015) MAX 1.100(0.043 1.400(0.055 3.300(0.130) 3.800(0.150) Φ1.600(0.063) 380 2.500(0.098 )4.000(0.157 13.000(0.512 )15.000(0.591
Document number: DS39284 Rev. 2 - 2 13 of 15 www.diodes.com July 2023 © 2023 Copyright Diodes Incorporated. All Rights Reserved. AS431H Package Outline Dimensions (All dimensions in mm.) (continued) Please see http://www.diodes.com/package-outlines.html for the latest version. (2) SOT23 2.300(0.091) 2.500(0.098) 1.200(0.047) 1.400(0.055) 0.890(0.035) 1.030(0.041) 0.300(0.012) 0.510(0.020) 1.900(0.075)REF 2.800(0.110) 3.000(0.118) 2.0° 3.0 ° 0.500(0.020) 0.700(0.028) 1.050(0.041)REF 0.010(0.0004) 0.100(0.004) 0.900(0.035) 1.100(0.043) 4×R0.100(0.004) 7.0° 7.0° 0.550(0.022)REF 0.200(0.008)MIN 0.100(0.004) GAUGE PLANE 0.080(0.003) 0.180(0.007) R0.100(0.004) 0.0°~10.0°
Document number: DS39284 Rev. 2 - 2 14 of 15 www.diodes.com July 2023 © 2023 Copyright Diodes Incorporated. All Rights Reserved. AS431H Suggested Pad Layout Please see http://www.diodes.com/package-outlines.html for the latest version. (1) SOT23 Y GZ Y X E Grid placement courtyard Dimensions Z (mm)/(inch) G (mm)/(inch) X (mm)/(inch) Y (mm)/(inch) E (mm)/(inch) Mechanical Data Moisture Sensitivity: Level 3 per J-STD-020 for SOT23 Terminals: Finish – Matte Tin Plated Leads, Solderable per MIL-STD-202, Method 208 Weight: SOT23: 0.009 grams (Approximate) TO92: 0.211 grams (Approximate)
Document number: DS39284 Rev. 2 - 2 15 of 15 www.diodes.com July 2023 © 2023 Copyright Diodes Incorporated. All Rights Reserved. AS431H IMPORTANT NOTICE 1. DIODES INCORPORATED (Diodes) AND ITS SUBSIDIARIES MAKE NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO ANY INFORMATION CONTAINED IN THIS DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON -INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY RIGHTS (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION). 2. The Information contained herein is for informational purpose only and is provided o nly to illustrate the operation of Diodes’ products described herein and application examples. Diodes does not assume any liability arising out of the application or use of this document or any product described herein. This document is intended for skille d and technically trained engineering customers and users who design with Diodes’ products. Diodes’ products may be used to facilitate safety-related applications; however, in all instances customers and users are responsible for (a) selecting the appropriate Diodes products for their applications, (b) evaluating the suitability of Diodes’ products for their intended application s, (c) ensuring their applications, which incorporate Diodes’ products, comply the applicable legal and regulatory requirements as well as safety and functional-safety related standards, and (d) ensuring they design with appropriate safeguards (including testing, validation, quality co ntrol techniques, redundancy, malfunction prevention, and appropriate treatment for aging degradation ) to minimize the risks associated with their applications. 3. Diodes assumes no liability for any application -related information, support, assistance or feedback that may be provided by Diodes from time to time. 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