AMS431

AMS431 AMS | Alldatasheet

Document overview

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Technical content

Features

¾ Low voltage operation (2.5V) ¾ Adjustable output voltage V 0 = VREF to 36V ¾ Wide operating current range 150 μA to 90mA ¾ Low dynamic output impedance 0.08 Ω (Typ.). ¾ Trimmed bandgap design up to + 0.5%. ¾ ESD rating is 6KV(Per MIL-STD-883D). ¾ RoHS Compliant and 100% Lead (Pb)-Free. Application ¾ Linear Regulators ¾ Adjustable Supplies ¾ Switching Power Supplies ¾ Battery Operated Computers ¾ Instrumentation ¾ Computer Disk Drives Block Diagram Vref Ref Cathode Anode Symbol Diagram Cathode Ref Anode

SOT-23-3L (SC59-3L) SOT-23-3 (Order as AMS431) SOT-23-5L SOP-8 TO-92 (Top View) SOT-89 Marking Information Package Marking Production Batch Number Lead-Free Package SOT-23-3 SC59-3L 431x SOT-23-3 431Sx (AMS431) SOT-23-5L 431 x The last character is the batch number. Lead-free package is indicated by a dot on top of the last character. SOP-8 AMS431 XXXX-LF SOT-89 AMS431 XXXX-LF TO-92 AMS431 XXXX-LF XXXX is the batch number. Lead-free package is indicated by LF after XXXX.

Parameter Symbol Maximum Units Cathode Voltage V KA 36 V Continuous Cathode Current I KA 90 mA Reference Current I REF 1 mA Operating Junction Temperature Range T J 150 °C Storage Temperature Range T STG -65 to 150 °C 120 (SOT-89) 230 (SOT-23-3) 230 (SOT-23-5L) 150 (SOP-8) Thermal Resistance θ JA 220 (TO-92) °C/W Lead Temperature (Soldering) 10 seconds T LEAD 260 °C

Electrical Characteristics

TA=25℃, unless otherwise specified. PARAMETER SYMBOL TEST CIRCUIT TEST CONDITIONS MIN TYP MAX UNIT 0.5% 2483 2495 2507 1% 2470 2495 2520Reference Voltage VREF 1 VKA = VREF, IKA = 10mA 2445 2495 2545 mV Deviation of reference voltage over full temperature range VI(dev) 1 VKA = VREF, IKA = 10mA TA = -40°C to 125°C -- -14 -- mV Ratio of change in reference voltage to the change in cathode voltage REF KA V V Δ Δ IKA = 3mA, ΔVKA = 10 V - VREF -- 0.2 2.7 mV/V Reference current IREF 2 IKA = 10mA, R1=10kΩ, R2 = ∞ -- 0.3 4 μA Deviation of Reference current over full temperature range II(dev) 2 IKA = 10mA, R1=10kΩ, R2 = ∞, TA = 0°C to 125°C -- -0.13 -- μA Minimum cathode current for regulation IMIN 1 VKA = VREF -- 0.15 0.3 mA Off-state cathode current IOFF 3 VKA = 36V, VREF = 0 -- 0.4 1 μA Dynamic impedance ZKA 1 IKA = 1mA to 90mA, V KA = VREF, f ≤ 1kHZ -- 0.08 0.7 Ω

Typical Performance Characteristics CATHODE CURRENT Vs. CATHODE VOLTAGE Cathode Current (mA) Cathode Voltage (V) -100 -75 -50 -25 -2 -1 0 1 2 3 VKA = Vref TA = 25oC Cathode Current VS. Cathode Voltage -200 200 400 600 800 1000 1200 -1 0 1 2 3 Cathode Voltage (V) Cathode Current (uA) VKA=Vref TA=25℃

V Vref Input KA IKA V Vref Input KA I KA Iref = Vref (1+VKA ) + Iref x R1 VInput KA I off Test Circuit 1: VKA = VREF Test Circuit 2: VKA > VREF Test Circuit 3: Off State Current Application Diagram Thermal Consideration Package Power Rating (TA=25°C) Power Rating (TA=50°C) Power Rating (TA=70°C) SOT-23-3 (θJA=230°C/W) 435mW 326mW 239mW SOT-23-5L (θJA=230°C/W) 435mW 326mW 239mW TO-92 (θJA=220°C/W) 455mW 341mW 250mW 1. Maximum junction temperature is 125°C 2. θJA is measured with packages mounted onboard under still-air condition with 1W power applied. 3. Power rating is calculated using PD = (TJ – TA) /θJA, where TJ denotes junction temperature and TA denotes ambient temperature.

B C A D E F J G H K L MIN MAX MIN MAX A 0.110 0.120 2.80 3.04 B 0.047 0.055 1.20 1.40 C 0.083 0.104 2.10 2.64 D 0.035 0.040 0.89 1.03 E 0.070 0.080 1.78 2.05 F 0.018 0.024 0.45 0.60 G 0.015 0.020 0.37 0.51 H 0.0005 0.004 0.013 0.10 J 0.034 0.040 0.887 1.02 K 0.003 0.007 0.085 0.18 L -0 . 0 2 7 - 0 . 6 9 DIMN INCHES MM DIMENSIONS OUTLINE DRAWING SOT-23-5L B K A F D E C H J MIN MAX MIN MAX A 0.110 0.120 2.80 3.05 B 0.059 0.070 1.50 1.75 C 0.036 0.051 0.90 1.30 D 0.014 0.020 0.35 0.50 E - 0.037 - 0.95 F - 0.075 - 1.90 H - 0.006 - 0.15 J 0.0035 0.008 0.090 0.20 K 0.102 0.118 2.60 3.00 DIMN INCHES MM DIMENSIONS OUTLINE DRAWING SC59-3L (SOT-23-3L) E e1B A L1 C L Q D H SC 59-3L MIN MAX MIN MAX A 0.035 0.043 0.90 1.10 A1 0.0004 0.005 0.01 0.13 B 0.012 0.020 0.30 0.50 C 0.004 0.008 0.09 0.20 D 0.110 0.122 2.80 3.10 H 0.098 0.122 2.50 3.10 E 0.059 0.067 1.50 1.70 e L1 0.008 0.022 0.20 0.55 L 0.014 0.031 0.35 0.80 Q 0℃ 10℃ 0℃ 10℃ DIMENSIONS DIMN INCHE MM 0.037REF 0.95REF 0.075REF 1.90REF

H E D A B C MIN MAX MIN MAX A 0.0532 0.0688 1.35 1.75 A1 0.0040 0.0098 0.10 0.25 B 0.0130 0.0200 0.33 0.51 C 0.0075 0.0098 0.19 0.25 D 0.1890 0.1968 4.80 5.00 H 0.2284 0.2440 5.80 6.20 E 0.1497 0.1574 3.80 4.00 DIMENSIONS 0.050 BSC 1.27 BSC DIMN INCHES MM OUTLINE DRAWING TO-92 A B D E G F H K J M I NM A XM I NM A X A 0.175 0.205 4.445 5.207 B 0.170 0.210 4.318 5.334 E 0.500 0.610 12.70 15.50 F 0.016 0.021 0.407 0.533 G 0.045 0.055 1.143 1.397 H 0.095 0.105 2.413 2.667 J 0.080 0.105 2.032 2.667 K 0.125 0.165 3.175 4.191 DIMN INCHES MM DIMENSIONS OUTLINE DRAWING SOT-89 A B C D EF G H I J K L M SOT-89 MIN MAX MIN MAX A 0.173 0.181 4.400 4.600 B 0.159 0.167 4.050 4.250 C 0.067 0.075 1.700 1.900 D 0.051 0.059 1.300 1.500 E 0.094 0.102 2.400 2.600 F 0.035 0.047 0.890 1.200 G H I 0.016 0.020 0.400 0.520 J 0.055 0.063 1.400 1.600 K 0.014 0.016 0.350 0.410 L M DIMN INCHES MM DIMENSIONS 0.70REF 10°TYP 0.028REF 10°TYP 3.00REF 1.50REF 0.118REF 0.059REF

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• AMS reserves the right to make changes to the information herein for the improvement of the design and performance without further notice! Customers should obtain the latest relevant information before placing orders and should verify that such information is complete and current.
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