ame4311 AME, Inc., ame4311 Datasheet

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ame4311

Manufacturer Part Number
ame4311
Description
Low Voltage Shunt Regulator - Analog Microelectronics
Manufacturer
AME, Inc.
Datasheet
AME4311
n General Description
standard 431 shunt regulator. The AME4311 reference is
set to 1.24 volts. The output voltage can be set to any
value between 1.24V and 8V with two external resistors.
(For factory set internal feedback resistors see the
AME4312.) When used with an optocoupler these de-
vices are ideal for isolated 3.3V switching supplies.
age as well as the space saving SOT-23 and SOT-25
packages.
ages lower than 2.7V see the AME4315.
n Features
n Applications
The AME4311 is a low volatge version of the industry
Analog Microelectronics offers this part in a TO-92 pack-
For isolated switching power supplies requiring volt-
l Small packages: SOT-23, SOT-25, TO-92
l Low voltage operation, 1.24V
l Tight voltage tolerance --- ±0.5%,±1.0%, ±1.5%
l Wide operating current ------- 80 A to 15mA
l Wide temperature range ----- -40
l Low temperature coefficient --100ppm/
l Excellent transient response
l Battery Operating Equipments
l Adjustable Supplies
l Switching Power Supplies
l Error Amplifiers
l Single Supply Amplifier
l Monitors / VCR / TV
l Personal Computers
AME, Inc.
o
C to +85
o
C
(max)
o
C
n Functional Block Diagram
n Pin Configuration
V
REF
R
=1.24
REF
Top View
SOT-23
GND
Low Voltage Shunt Regulator
V+
Top View
V+ GND REF
TO-92
GND
V+
GND
Top View
SOT-25
REF
V+
1

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ame4311 Summary of contents

Page 1

... AME, Inc. AME4311 n General Description The AME4311 is a low volatge version of the industry standard 431 shunt regulator. The AME4311 reference is set to 1.24 volts. The output voltage can be set to any value between 1.24V and 8V with two external resistors. (For factory set internal feedback resistors see the AME4312 ...

Page 2

... AME, Inc. AME4311 n Ordering Information Part Number Marking AME4311EEAT EEAT yyww AME4311EEET AVVww AME4311FEET AVWww AME4311GEET AVXww AME4311EEEV AGFww Please consult AME sales office or authorized Rep./Distributor for other voltage accuracy and package type avail- ability. 2 Output Voltage Tolerance Package AME 4311 1.24 1.24 1 ...

Page 3

... AME, Inc. AME4311 n Absolute Maximum Ratings Parameter Supply Current Caution: Stress above the listed absolute maximum rating may cause permanent damage to the device n Recommended Operating Conditions Parameter Supply Current Ambient Temperature Range Junction Temperature n Thermal Information Parameter Thermal Resistance Maximum Junction Temperature ...

Page 4

... AME, Inc. AME4311 n Electrical Specifications =10mA unless otherwise specified REF Parameter Reference Voltage (Test Circuit 1) Ratio of Change REF Cathode Voltage Reference Input Current Off State Leakage Minimum Current I K Reference Voltage Temp. Coeff. Dynamic Output Impendance ...

Page 5

... AME, Inc. AME4311 Dynamic Impedance vs. Temperature 0.35 0.33 0.31 0.29 0.27 0.25 0.23 0.21 0.19 0.17 0.15 - Temperature ( Reference Input Current vs. Temperature 0.14 0.12 0.10 0.08 0.06 0.04 0.02 0.00 - Temperature ( High Current Operating Characteristics T= -10 -20 -30 -1.0 -0 Cathode Voltage (V) KA 1.234 1.232 1.230 1.228 1.226 1.224 1.222 1050 900 750 ...

Page 6

... AME, Inc. AME4311 n Package Dimension TO-92-3 (bulk pack) Top View Side View TO-92-3 (tape pack) Top View Side View 6 Low Voltage Shunt Regulator MILLIMETERS SYMBOLS MIN MAX A 4.32 4.95 0.1701 b 0.36 0.51 0.0142 E 3.30 3.94 0.1299 e 2.41 2.67 0.0949 e1 1.14 1.40 0.0449 L 12.70 15.49 0.5000 R 2.16 2.41 0.0850 W 0.41 0.56 0.0161 4.45 4.95 0.1752 D Notes: 1. Package outline exclusive of any mold flashes dimension. ...

Page 7

... AME, Inc. AME4311 n Package Dimension SOT-23 Top View D e Front View b SOT-25 Top View Front View b Low Voltage Shunt Regulator Side View SYMBOLS £ Side View SYMBOLS £ MILLIMETERS ...

Page 8

... 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 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. ...

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