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| Analog Microelectronics, Inc. AME40 Micropower Voltage Reference Diode n General Description The AME40 is a micropower 2-terminal band-gap voltage regulator diode. It operates over a 40A to 20mA current range. Each circuit is trimmed at wafer sort to provide a 0.20% and 0.50% initial tolerance. The design of the AME40 allows for a large range of load capacitances and operating currents. The low start-up current makes these part ideal for battery applications. Analog Microelectronics offers this part in a TO-92, SO-8 packages as well as the space saving SOT-23. n Key Features l Small packages: SOT-23, TO-92, SO-8 l Tolerates capacitive loads l Fixed reverse breakdown voltage of 2.5V l Tight voltage tolerance ---------- 0.20%, 0.50% l Wide operating current ---------- 40A to 20mA l Wide temperature range -------- -40oC to +85oC l Low temperature coefficient --- 100ppm/oC (max) l Excellent transient response n Applications l l l l l l Portable electronics Power supplies Computer peripherals Data acquisition systems Battery chargers Consumer electronics n Functional Block Diagram VR n Typical Application VS RS VR B andgap Cell Current S hunt 1000pF V alue optional I V R = 2.5V GND RS = VS - VR I 1 Analog Microelectronics, Inc. AME40 Micropower Voltage Reference Diode n Package Outline SOT-23 Top View NC * TO-92-3 Bottom View TO-92-2 Bottom View NC * + - + - + - SO-8 Top View NC NC NC 1 2 3 4 8 7 6 5 + NC NC NC * The NC pin must float or be connected to - (negative) n Ordering Information Part Number AME40BEET Accuracy 0.2% Marking ACUww AME 40BEHA yyww ABZww AME 40 AEAS yyww AME 40 AEAT yyww AME 40AEHA yyww Package Operating Temp. Range SOT-23 -40OC to +85OC AME40BEHA 0.2% SO-8 -40OC to +85OC AME40AEET 0.5% SOT-23 -40OC to +85OC AME40AEAS 0.5% TO-92-2 -40OC to +85OC AME40AEAT 0.5% TO-92-3 -40OC to +85OC AME40AEHA 0.5% SO-8 -40OC to +85OC 2 Please consult AME sales office or authorized Rep./Distributor for other voltage accuracy and package type availability. Analog Microelectronics, Inc. AME40 Micropower Voltage Reference Diode n Absolute Maximum Ratings Parameter Supply Current Maximum 20 Unit mA n Recommended Operating Conditions Parameter Supply Current Ambient Temperature Range Junction Temperature Rating 60A ~ 12mA -40 to +85 -40 to +125 o Unit C C o n Thermal Information Parameter SOT-23 Thermal Resistance TO-92 Maximum Junction Temperature Maximum Lead Temperature ( 10 Sec) 180 150 300 o Maximum 336 o Unit C/W C C o Caution: Stress above the listed absolute rating may cause permanent damage to the device 3 Analog Microelectronics, Inc. AME40 Micropower Voltage Reference Diode n Electrical Specifications Unless otherwise specified, TA = 25 o C, I = 100 A PARAMETER Reference Voltage, 0.2% VREF Reference Voltage, 0.5% Minimum Current Reference Voltage Change With Current Reference Voltage Temp. Coeff. IMIN IMIN < I < 1mA dVREF/I 1mA < I < 20mA VREFTC 0oC < TA < 70oC 4 8 100 ppm/oC 1.5 SYMBOL TEST CONDITIONS TA = 25oC, IREF = 100A MIN 2.495 2.487 TYP 2.500 2.500 MAX 2.505 2.513 40 3 UNITS V V A mV 4 Analog Microelectronics, Inc. AME40 Normalized Percentage Change vs. Temperature 0.1 0 25 C o Micropower Voltage Reference Diode Output Voltage Change vs. Current % Change of VOUT -0.1 -0.2 -0.3 -0.4 -0.5 0 .5 V /D IV VR I = 100A 5 V /D IV V IN -0.6 -50 0 50 100 150 ( O C) Reverse Characteristic 100A 1.0V Forward Characteristic 10A IR 1A 85oC 25oC 0.125V/div 25oC 85oC 100nA 0.0V 0.65V 1.3V 0.0V 1A 100A 10mA VR Transient Response 25 C o 5V/DIV VIN VR 0.5V/DIV 200S/DIV 5 Analog Microelectronics, Inc. AME40 Micropower Voltage Reference Diode n Package Dimension SOT-23 SYMBOLS A A1 b C D E e H L 1 R MILLIMETERS MIN 1.00 0.00 0.35 0.09 2.70 1.40 MAX 1.40 0.15 0.50 0.25 3.10 1.80 INCHES MIN 0.0394 0.0000 0.0138 0.0035 0.1063 0.0551 MAX 0.0551 0.0059 0.0197 0.0098 0.1220 0.0709 1.90 BSC 2.60 0.35 0 o 0.0748 BSC 0.1024 0.0138 0 o 3.00 0.55 9 o 0.1181 0.0197 9o 0.95(TYP) 0.0374(TYP) SO-8 SYMBOLS A A1 A2 B C MILLIMETERS MIN 1.35 0.10 MAX 1.75 0.25 MIN INCHES MAX 0.069 0.010 0.053 0.004 1.45 REF 0.33 0.19 4.80 3.80 0.51 0.25 5.00 4.00 0.057 REF 0.013 0.007 0.189 0.150 0.020 0.010 0.1970 0.157 D E e H L y 1.27 BSC 5.80 0.40 6.20 1.27 0.10 0 o 0.050 BSC 0.228 0.016 0.244 0.050 0.004 0 o 8 o 8o 6 Analog Microelectronics, Inc. AME40 Micropower Voltage Reference Diode n Package Dimension TO-92-3 SYMBOLS A b E e e1 L R S1 W D a MILLIMETERS MIN MAX 4.32 0.36 3.30 2.41 1.14 12.70 2.16 1.14 0.41 4.45 4 INCHES MIN MAX 0.170 0.014 0.130 0.095 0.045 0.500 0.085 0.045 0.016 0.175 4 4.95 0.51 3.94 2.67 1.40 15.49 2.41 1.52 0.56 4.95 6 0.195 0.020 0.155 0.105 0.055 0.610 0.095 0.060 0.022 0.195 6 NOTE: 1. PACKAGE OUTLINE EXCLUSIVE OF ANY MOLD FLASHES DIMENSION 2. PACKAGE OUTLINE EXCLUSIVE OF BURR DIMENSION TO-92-2 SYMBOLS A b E e e1 L R S1 W D a MILLIMETERS MIN MAX 4.32 0.36 3.30 2.41 1.14 12.70 2.16 1.14 0.41 4.45 4 INCHES MIN MAX 0.170 0.014 0.130 0.095 0.045 0.500 0.085 0.045 0.016 0.175 4 4.95 0.51 3.94 2.67 1.40 15.49 2.41 1.52 0.56 4.95 6 0.195 0.020 0.155 0.105 0.055 0.610 0.095 0.060 0.022 0.195 6 NOTE: 1. PACKAGE OUTLINE EXCLUSIVE OF ANY MOLD FLASHES DIMENSION 2. PACKAGE OUTLINE EXCLUSIVE OF BURR DIMENSION 7 www.analogmicro.com E-Mail: info@analogmicro.com Life Support Policy: These products of Analog Microelectronics, Inc. are not authorized for use as critical components in lifesupport devices or systems, without the express written approval of the president of Analog Microelectronics, Inc. Analog Microelectronics, Inc. reserves the right to make changes in the circuitry and specifications of its devices and advises its customers to obtain the latest version of relevant information. (c) Analog Microelectronics, Inc. , October 2001 Document: 2003-DS40-D Corporate Headquarters Analog Microelectronics, Inc. 3100 De La Cruz Blvd. Suite 201 Santa Clara, CA. 95054-2046 Tel : (408) 988-2388 Fax: (408) 988-2489 Asia Pacific Headquarters AME, Inc. 2F, 187 Kang-Chien Road, Nei-Hu District Taipei 114, Taiwan, R.O.C. Tel : 886 2 2627-8687 Fax : 886 2 2659-2989 |
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