AME, Inc. AME385-2.5 n General Description The AME385-2.5 is a micropower 2-terminal band-gap voltage regulator diode. It operates over a 20µA 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 AME385-2.5 allows for a large range of load capacitances and operating currents. The low start-up current makes these part ideal for battery applications. Micropower Voltage Reference Diode n Functional Block Diagram VR Analog Microelectronics offers this part in a TO-92 and SO-8 package as well as the space saving SOT-23. Bandgap Cell Current Shunt n Features l Small packages: SOT-23, TO-92, SO-8 GND l Tolerates capacitive loads l Fixed reverse breakdown voltage of 2.5V l Tight voltage tolerance ------- ±0.20%, ±0.5% l Wide operating current ------- 20µA to 20mA l Wide temperature range ----- -40oC to +85oC n Typical Application l Low temperature coefficient --100ppm/oC (max) l Excellent transient response VS RS VR n Applications VR = 2.5V l Portable electronics l Power supplies l Computer peripherals 0.1µF Value optional l Data acquisition systems l Battery chargers l Consumer electronics VS - VR RS = I 1 AME, Inc. AME385-2.5 Micropower Voltage Reference Diode n Pin Configuration SO-8 Top View 8 7 6 SOT-23 Top View 5 AME 385-2.5 AME 385-2.5 3 1. NC 1. + 2. NC 2. 3. NC 3. NC* 4. - - 5. NC 6. NC 1 2 3 4 1 2 7. NC 8. + TO-92-3 Bottom View 1 2 3 TO-92-2 Bottom View AME 385-2.5 2 AME 385-2.5 1. NC* 1. + 2. + 2. 3. - * The NC pin must float or be connected to - (negative) 2 1 - AME, Inc. AME385-2.5 Micropower Voltage Reference Diode n Ordering Information AME385 x x x x x Special Feature Number of Pins Package Type Operating Temperature Range Accuracy Accuracy D: 0.2% B: 0.5% Operating Temperature Range E: -40OC to 85OC Package Type A: TO-92 E: SOT-2X H: SO-8 Number of Pins A: 8 S: 2 T: 3 Special Feature L: Low Profile Y: Lead Free & Low Profile Z: Lead Free 3 AME, Inc. AME385-2.5 Micropower Voltage Reference Diode n Ordering Information (contd.) Part Number Marking Accuracy Package Operating Temp. Range AME385DEET ACSww 0.2% SOT-23 - 40 o C to + 85 o C AME385DEETL ACSww 0.2% TSOT-23 - 40 o C to + 85 o C AME385DEETY ACSww 0.2% TSOT-23 - 40 o C to + 85 o C AME385DEETZ ACSww 0.2% SOT-23 - 40 o C to + 85 o C AME385DEHA 385 DEHA yyww 0.2% SO-8 - 40 o C to + 85 o C AME385DEHAZ 385 DEHA yyww 0.2% SO-8 - 40 o C to + 85 o C AME385BEET ABYww 0.5% SOT-23 - 40 o C to + 85 o C AME385BEETL ABYww 0.5% TSOT-23 - 40 o C to + 85 o C AME385BEETY ABYww 0.5% TSOT-23 - 40 o C to + 85 o C AME385BEETZ ABYww 0.5% SOT-23 - 40 o C to + 85 o C 0.5% TO-92-3 - 40 o C to + 85 o C 0.5% TO-92-3 - 40 o C to + 85 o C 0.5% TO-92-2 - 40 o C to + 85 o C 0.5% TO-92-2 - 40 o C to + 85 o C 0.5% SO-8 - 40 o C to + 85 o C 385 BEHA yyww 0.5% SO-8 - 40 o C to + 85 o C Part Number Package Lead Pitch AME385XEAX TO-92 Taping 5.04mm AME385XEAX-1 TO-92 Bulk 2.54mm AME385BEAT AME385BEATZ AME385BEAS AME385BEASZ AME385BEHA AME385BEHAZ AME 385 BEAT yyww AME 385 BEAT yyww AME 385 BEAS yyww AME 385 BEAS yyww 385 BEHA yyww * Package Option Note: yyww & ww represents the date code * A line on top of the first letter represents lead free plating such as ACS. Please consult AME sales office or authorized Rep./Distributor for the availability of voltage accuracy and package type. 4 AME, Inc. AME385-2.5 Micropower Voltage Reference Diode n Absolute Maximum Ratings Parameter Maximum Unit 50 mA Supply Current Caution: Stress above the listed absolute maximum rating may cause permanent damage to the device n Recommended Operating Conditions Parameter Supply Current Rating Unit 100µA ~ 20mA - 40 to + 85 o C - 40 to + 125 o C Ambient Temperature Range Junction Temperature n Thermal Information Parameter Thermal Resistance Maximum SOT-23 325 TO-92 180 SO-8 125 Unit o C/W Maximum Junction Temperature 150 o Maximum Lead Temperature (10 Sec) 300 o C C 5 AME, Inc. AME385-2.5 Micropower Voltage Reference Diode n Electrical Specifications Unless otherwise specified, TA = 0~70OC, I = 100µA Parameter Reference Voltage, ±0.2% Reference Voltage, ±0.5% Minimum Current Symbol Test Condition VREF IREF = 100µA Typ Max Units 2.495 2.50 2.505 V 2.487 2.50 2.513 V 20 µA mV IMIN IMIN < I < 1mA 1.5 3 1mA < I < 20mA 5 20 Reference Voltage Change With Current dV REF/I Maximum Operation Current ILmax Reverse Dynamic Impedence RDI IR= 100mA, f=20Hz 1.5 Ohm Wideband Noise (rms) Vn IR= 100mA, 10 Hz<f<10KHz 60 µV IR= 100mA, TA=25oC, T=1000 Hours 20 ppm Long term Stability Reference Voltage Temp. Coeff. 6 Min VREFTC 20 0oC < TA < 70oC mA 100 ppm/oC AME, Inc. AME385-2.5 Micropower Voltage Reference Diode Normalized Percentage Change vs. Temp. Reference Voltage Change vs. Current 0.1 4 -0.1 Change of VREF (mV) Change of V REF (%) 0 I=100µA -0.2 -0.3 -0.4 2 0 -0.5 -2 -0.6 -50 0 50 100 0.01 150 Temperature (o C) 1 100 Operation Current (mA) Reverse Characteristic Forward Characteristic 100 1 IF (mA) 10 IR (uA) 85O C 1 25O C 0.125 85O C 25O C 0 0.1 0 0.65 1.3 VR (V) 0.001 0.1 10 VF (V) Line Transient Response 5V/DIV VIN 1V/DIV 25oC VR 200µS/DIV 7 AME, Inc. AME385-2.5 Micropower Voltage Reference Diode n Package Dimension SOT-23 Top View Side View SYMBOLS D INCHES MIN MAX MIN MAX A 1.00 1.40 0.0394 0.0551 A1 0.00 0.15 0.0000 0.0059 b 0.35 0.50 0.0138 0.0197 C 0.09 0.25 0.0035 0.0098 D 2.70 3.10 0.1063 0.1220 E 1.40 1.80 0.0551 0.0709 C E H L MILLIMETERS e θ1 H Front View 1.90 BSC e 2.40 3.00 0.35BSC L 0 o 10 0.09449 0.11811 0.0138BSC o 0 o 10 o A θ1 0.0748 BSC A1 b TSOT-23 Top View Side View D C E H L SYMBOLS e θ1 MAX MIN MAX A+A1 0.80 1.30 0.0315 0.0512 b 0.35 0.50 0.0138 0.0197 C 0.08 0.25 0.0031 0.0098 D 2.70 3.10 0.1063 0.1220 E 1.20 1.80 0.0472 0.0709 e L 8 A1 A θ1 b INCHES MIN H Front View MILLIMETERS 1.90 BSC 2.40 3.00 0.35BSC 0o 10o 0.0748 BSC 0.09449 0.11811 0.0138BSC 0o 10o AME, Inc. AME385-2.5 Micropower Voltage Reference Diode n Package Dimension TO-92-2 (bulk pack) SYMBOLS Top View A L e e1 w D Side View A R b MAX MIN MAX 4.00 4.95 0.1575 0.1949 0.40REF 0.0157REF E 3.94REF 0.1551REF e 2.54REF 0.1000REF e1 1.27REF 0.0500REF 12.70 15.49 2.29 R 0.5000 0.6098 0.0902 W 0.35 0.76 0.0138 0.0299 D 3.80 4.95 0.1496 0.1949 TO-92-3 (bulk pack) SYMBOLS Top View A L e1 MIN 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. E e INCHES b L E-PIN C 1/16 MILLIMETERS w D E-PIN C 1/16 INCHES MIN MAX MIN MAX 2.80 4.95 0.1102 0.1949 b 0.40REF 0.0157REF E 3.94REF 0.1551REF e 2.54REF 0.1000REF e1 1.27REF 0.0500REF L Side View MILLIMETERS 12.70 15.49 2.29 R 0.5000 0.6098 0.0902 W 0.35 0.76 0.0138 0.0299 D 3.80 4.95 0.1496 0.1949 A R b E 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. 9 AME, Inc. AME385-2.5 Micropower Voltage Reference Diode n Package Dimension TO-92-2 (tape pack) SYMBOLS Top View A L b E e e1 w D Side View A R E TO-92-3 (tape pack) MAX MIN MAX 2.80 4.95 0.1102 0.1949 0.40REF 2.40 3.94 0.0157REF 0.0945 0.1551 5.08REF 0.2REF e1 2.54REF 0.1REF 12.70 15.49 2.00 R 0.5000 0.6098 0.0787 W 0.35 0.76 0.0138 0.0299 D 3.80 4.95 0.1496 0.1949 SYMBOLS A Top View b L e1 MIN 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. b e INCHES e L E-PIN C 1/16 MILLIMETERS E w D MILLIMETERS INCHES MIN MAX MIN MAX 2.80 4.95 0.1102 0.1949 0.40REF 2.40 3.94 0.0157REF 0.0945 0.1551 e 5.08REF 0.2REF e1 2.54REF 0.1REF L 12.70 15.49 2.00 R 0.5000 0.6098 0.0787 E-PIN C 1/16 Side View A R b E 10 W 0.35 0.76 0.0138 0.0299 D 3.80 4.95 0.1496 0.1949 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. AME, Inc. AME385-2.5 Micropower Voltage Reference Diode n Package Dimension SO-8 Top View Side View C E SYMBOLS L θ Front View 7 o(4X) MAX MIN MAX A 1.35 1.75 0.05315 0.0689 A1 0.10 0.25 0.00394 0.00984 1.473 REF A1 A A2 B 0.058 REF B 0.33 0.51 0.01299 0.02008 C 0.19 0.25 0.00748 0.00984 D 4.80 5.00 0.18898 0.19685 E 3.80 4.00 0.14961 0.15748 1.27 BSC e e INCHES MIN A2 D MILLIMETERS 0.050 BSC L 0.40 1.27 0.01575 0.05 y - 0.10 - 0.004 θ 0 o 8 o 0 o 8 o 11 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. , September 2003 Document: 2006-DS8803/8814-G E-Mail:[email protected] Address:Room 2101, No.2 Building Yulan garden, No.50 Puhuitang Rd,Shanghai,PRC zip:200030 Tel : 86-21-64285731/32 ext:8033 Fax: 86-21-64393342 Sales Manager:Longman Xu