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| AME, Inc. AME41-1.2 Micropower Voltage Reference Diode ! General Description The AME41-1.2 is a micropower 2-terminal band-gap voltage regulator diode. It operates over a 15A 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 AME41-1.2 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 and SO-8 packages as well as the space saving SOT-23. ! Functional Block Diagram VR Bandgap Cell Feedback Current Shunt ! Features " Small packages: SOT-23, TO-92, SO-8 " Tolerates capacitive loads " Fixed reverse breakdown voltage of 1.25V " Tight voltage tolerance ------- 0.20%, 0.5% " Wide operating current ------- 15A to 20mA " Wide temperature range ----- -40oC to +85oC " Low temperature coefficient --100ppm/ C(max) " Excellent transient response o GND ! Typical Application VS RS VR VR = 1.25V ! Applications " " " " " " Portable electronics Power supplies Computer peripherals Data acquisition systems Battery chargers Consumer electronics 0.1F Value optional RS = VS - VR I 1 AME, Inc. AME41-1.2 Micropower Voltage Reference Diode ! Pin Configuration SO-8 Top View & % $ # SOT-23 Top View AME 41-1.2 1. NC 2. NC 3. NC 4. 5. NC 6. NC 7. NC 8. + ! AME41-1.2 1. NC* 2. + 3. - ! " TO-92-3 Bottom View 1 2 3 TO-92-2 Bottom View AME 41-1.2 1. NC* 2. + 3. 1 2 AME41-1.2 1. + 2. - * The NC pin must float or be connected to - (negative) 2 AME, Inc. AME41-1.2 Micropower Voltage Reference Diode ! Ordering Information Part Number AME41DEET Marking ACWww Accuracy 0.2% Package SOT-23 Operating Temp. Range -40OC to +85OC AME41DEHA 41 DEHA yyww 0.2% SO-8 -40OC to +85OC AME41AEET ACAww 0.5% SOT-23 -40OC to +85OC AME41AEAS AME 41 AEAS yyww AME 41 AEAT yyww 41 AEHA yyww 0.5% TO-92-2 -40OC to +85OC AME41AEAT 0.5% TO-92-3 -40OC to +85OC AME41AEHA 0.5% SO-8 -40OC to +85OC Please consult AME sales office or authorized Rep./Distributor for other voltage accuracy andpackage type availability. 3 AME, Inc. AME41-1.2 Micropower Voltage Reference Diode ! Absolute Maximum Ratings Parameter Supply Current Maximum 50 Unit mA Caution: Stress above the listed absolute maximum rating may cause permanent damage to the device ! Recommended Operating Conditions Parameter Supply Current Ambient Temperature Range Junction Temperature Rating 100A ~ 20mA -40 to +85 -40 to +125 Unit o o C C ! Thermal Information Parameter SOT-23 Thermal Resistance TO-92 SO-8 Maximum Junction Temperature Maximum Lead Temperature ( 10 Sec) Maximum 325 180 124 150 300 Unit o C/W o o C C 4 AME, Inc. AME41-1.2 Micropower Voltage Reference Diode ! Electrical Specifications Unless otherwise specified, TA = 25C, I=100A Parameter Reference Voltage, 0.2% Reference Voltage, 0.5% Minimum Current Reference Voltage Change With Current Reference Voltage Temp. Coeff. Symbol VREF IMIN dVREF/I VREFTC IMIN < I < 1mA 1mA < I < 20mA 0oC < TA < 70oC 1.5 4 Test Condition TA = 25oC, IREF = 100A Min Typ Max Units V V A mV ppm/oC 1.247 1.250 1.253 1.244 1.250 1.256 15 3 8 100 5 AME, Inc. AME41-1.2 Normalized Percentage Change VS Temp. 0.1 0 Micropower Voltage Reference Diode Output Voltage Change VS Current 25oC I=100CA Change of VOUT(%) -0.1 -0.2 -0.3 -0.4 -0.5 -0.6 -50 0 50 5V/DIV VIN 0.5V/DIV VR 100 150 Temperature (oC) Reverse Characteristic 100 1 Forward Characteristic 10 (V/DIV) 25OC 0.125 85 C IR (uA) 1 O 25OC 85OC 0.1 0 0 0.65 1.3 0.001 0.1 10 VR (V) (mA) Line Transient Response #o+ 5V/DIV 8IN 0.5V/DIV 84 200C 200CS/DIV 6 AME, Inc. AME41-1.2 Micropower Voltage Reference Diode ! Package Dimension SOT-23 Top View Side View SYMBOLS A A A b C D E e ? MILLIMETERS MIN 1.00 0.00 0.70 0.35 0.09 2.70 1.40 2.60 0.35 0o INCHES MIN 0.0394 0.0000 0.0276 0.0138 0.0035 0.1063 0.0551 0.1024 0.0138 0o MAX 1.40 0.15 1.25 0.50 0.25 3.10 1.80 3.00 0.55 9o MAX 0.0551 0.0059 0.0492 0.0197 0.0098 0.1220 0.0709 0.1181 0.0197 9o 1.90 BSC 0.0748 BSC H L e1 R Front View 0.95(TYP) 0.0374(TYP) SO-8 Top View Side View SYMBOLS A A A2 B C D E ? MILLIMETERS MIN 1.35 0.10 0.33 0.19 4.80 3.80 5.80 0.40 0o INCHES MIN 0.053 0.004 0.013 0.007 0.189 0.150 0.228 0.016 0o MAX 1.75 0.25 0.51 0.25 5.00 4.00 6.20 1.27 0.10 8o MAX 0.069 0.010 0.020 0.010 0.1970 0.157 0.244 0.050 0.004 8o 1.45 REF 0.057 REF e H L y e1 1.27 BSC 0.050 BSC Front View 7 AME, Inc. AME41-1.2 Micropower Voltage Reference Diode ! Package Dimension TO-92-3 (bulk pack) Top View SYMBOLS A b E e e1 L R MILLIMETERS MIN 4.32 0.36 3.30 2.41 1.14 12.70 2.16 0.41 4.45 INCHES MIN 0.1701 0.0142 0.1299 0.0949 0.0449 0.5000 0.0850 0.0161 0.1752 MAX 4.95 0.51 3.94 2.67 1.40 15.49 2.41 0.56 4.95 MAX 0.1949 0.0201 0.1551 0.1051 0.0551 0.6098 0.0949 0.0220 0.1949 Side View W D Notes: 1. Package outline exclusive of any mold flashes dimension. 2. Package outline exclusive of burr dimension. 3. Lead pitch=2.54mm is bulk pack. 4. Lead pitch=5.08mm is tape pack. TO-92-2 (bulk pack) Top View SYMBOLS A b E e e1 L R MILLIMETERS MIN 4.32 0.36 3.30 2.41 1.14 12.70 2.16 0.41 4.45 INCHES MIN 0.1701 0.0142 0.1299 0.0949 0.0449 0.5000 0.0850 0.0161 0.1752 MAX 4.95 0.51 3.94 2.67 1.40 15.49 2.41 0.56 4.95 MAX 0.1949 0.0201 0.1551 0.1051 0.0551 0.6098 0.0949 0.0220 0.1949 Side View W D Notes: 1. Package outline exclusive of any mold flashes dimension. 2. Package outline exclusive of burr dimension. 3. Lead pitch=2.54mm is bulk pack. 4. Lead pitch=5.08mm is tape pack. 8 AME, Inc. AME41-1.2 Micropower Voltage Reference Diode ! Package Dimension TO-92-3 (tape pack) SYMBOLS A b E e e1 L R MILLIMETERS MIN 4.32 0.36 3.30 4.98 2.49 12.70 2.16 0.41 4.45 INCHES MIN 0.1701 0.0142 0.1299 0.1961 0.0980 0.5000 0.0850 0.0161 0.1752 MAX 4.95 0.51 3.94 5.08 2.54 15.49 2.41 0.56 4.95 MAX 0.1949 0.0201 0.1551 0.2000 0.1000 0.6098 0.0949 0.0220 0.1949 Top View Side View W D Notes: 1. Package outline exclusive of any mold flashes. 2. Package outline exclusive of burr dimension. 3. Lead pitch=2.54mm is bulk pack. 4. Lead pitch=5.08mm is tape pack. TO-92-2 (tape pack) Top View SYMBOLS A b E e e1 L R MILLIMETERS MIN 4.32 0.36 3.30 4.98 2.49 12.70 2.16 0.41 4.45 INCHES MIN 0.1701 0.0142 0.1299 0.1961 0.0980 0.5000 0.0850 0.0161 0.1752 MAX 4.95 0.51 3.94 5.08 2.54 15.49 2.41 0.56 4.95 MAX 0.1949 0.0201 0.1551 0.2000 0.1000 0.6098 0.0949 0.0220 0.1949 Side View W D Notes: 1. Package outline exclusive of any mold flashes. 2. Package outline exclusive of burr dimension. 3. Lead pitch=2.54mm is bulk pack. 4. Lead pitch=5.08mm is tape pack. 9 E-Mail: info@ame.com.tw Life Support Policy: These products of AME, Inc. are not authorized for use as critical components in life-support devices or systems, without the express written approval of the president of AME, Inc. AME, 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. AME, Inc. , June 2002 Document: 2003-DS41-1.2-E www.ame.com.tw U.S. Headquarter Analog Microelectronics, Inc. 3100 De La Cruz Blvd., Suite 201 Santa Clara, CA. 95054-2046 Tel : (408) 988-2388 Fax: (408) 988-2489 AME, Inc. Corporate Headquarter 2F, 189 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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