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PDF AME41 Data sheet ( Hoja de datos )
| Número de pieza | AME41 | |
| Descripción | Micropower Voltage Reference Diode | |
| Fabricantes | Analog Microelectronics | |
| Logotipo |  |
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Analog Microelectronics, Inc.
AME41-ADJ
Micropower Voltage Reference Diode
n General Description
The AME41-ADJ is a micropower 3-terminal band-gap
voltage regulator diode with a user adjustable output volt-
age. It operates over a 15µA 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-
ADJ 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.
n Key Features
l Small packages: SOT-23, TO-92, SO-8
l Tolerates capacitive loads
l User adjustable reverse breakdown voltage
l Tight voltage tolerance ---------- ±0.20%, ±0.50%
l Wide operating current ---------- 15µA to 20mA
l Wide temperature range -------- -40oC to +85oC
l Low temperature coefficient --- 100ppm/oC (max)
l Excellent transient response
n Applications
l Portable electronics
l Power supplies
l Computer peripherals
l Data acquisition systems
l Battery chargers
l Consumer electronics
n Functional Block Diagram
VR
ADJ Bandgap
Cell
Current
Feedback
Shunt
GND
n Typical Application
VS
RS
1000pF
Value optional
I
VR
R1
R2
VS - VR
RS =
I
1.27 (R1 + R2)
VR =
R1
1
1 page  
Analog Microelectronics, Inc.
AME41-ADJ
Micropower Voltage Reference Diode
Normalized Percentage Change vs.
Temperature
0.1
0
-0.1
-0.2 I = 100µA
-0.3
-0.4
-0.5
-0.6
-50
100µA
0 50 100
( OC)
Reverse Characteristic
150
Output Voltage Change vs. Current
2 25oC
85oC
1
0
-1
0.01
1.0V
1
Current (mA)
100
Forward Characteristic
10µA
IR
1µA
85oC
25oC
100nA
0.0V
0.65V
VR
1.3V
Transient Response
2 5 oC
5V/DIV
V IN
0.125V/DIV
0.0V
1µA
25oC
85oC
100µA
10mA
0.5V/DIV
VR
5
200µS/DIV
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet AME41.PDF ] | |
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