AME8819 Datasheet PDF - Analog Microelectronics


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AME8819
Analog Microelectronics

Part Number AME8819
Description Low Dropout 600mA CMOS Regulator
Page 20 Pages

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AME
AME8819
Low Dropout
600mA CMOS Regulator
n General Description
The AME8819 is a CMOS linear regulator. It operated from
2.5V to 5.5V input voltage and delivers up to 600mA output
current. The AME8819 provide low quiescent current (70uA
typ) low dropout voltage (Vout=3.3V, 540mV @ 600mA typ),
and excellent PSRR, thus marking them ideal for Data-Com-
munications and battery applications.
The AME8819 provide over temperature and over current
protected functions. It is stable with an output capacitance of
2.2uF or larger.
n Functional Block Diagram
(Fixed Version)
IN
Overcurrent
Shutdown
Thermal
Shutdown
OUT
R1
Bandgap
Reference
n Features
R2 GND
l Input voltage range is from 2.8V to 5.5V
l Output voltage range is from 1.8V to 4.5V
l Low Dropout: 540mV @ 600mA, VOUT = 3.3V
l Guaranteed 600mA Drive Current
l Factory Pre-set output voltage
l Only 2.2µF Output Capacitor Required for
Stability (Low ESR MLCC is allowable)
l Provided OTP, current limit
l All AMEs Green Products Meet RoHS
Standards
(Adjustable Version)
IN
Overcurrent
Shutdown
Thermal
Shutdown
EN
OUT
R1
(external)
Bandgap
Reference
ADJ
R2
(external)
GND
n Applications
l Data-Communication
l Laptop, Palmtops, Notebook computers
l Battery Power Equipment
l Handheld Device
l PCMCIA Cards
Rev.B.01
1



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AME
AME8819
n Typical Application
(Fixed Version)
VIN
CIN
1µF
IN OUT
AME8819
GND
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Low Dropout
600mA CMOS Regulator
VOUT
COUT
2.2µF
(Adjustable Version)
VIN
C1
1µF
AME8819
IN OUT
EN GND ADJ
VOUT
R1
VREF
R2
C2
2. 2µF
2 Rev.B.01



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AME
AME8819
n Pin Configuration
SOT-89
Top View
AME8819
12 3
SOT-223
Top View
AME8819AEFT
1. IN
2. GND (TAB)
3. OUT
Die Attach:
Conductive Epoxy
AME8819
AME8819AEGT
1. IN
2. GND (TAB)
3. OUT
1 23
Die Attach:
Conductive Epoxy
SOP-8
Top View
8 765
AME8819
1 234
AME8819AEHAADJ
1. EN
2. IN
3. OUT
4. ADJ
5. GND
6. GND
7. GND
8. GND
Die Attach:
Conductive Epoxy
Rev.B.01
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Low Dropout
600mA CMOS Regulator
SOT-89
Top View
AME8819
12 3
SOT-223
Top View
AME8819
123
AME8819BEFT
1. GND
2. IN (TAB)
3. OUT
Die Attach:
Non-Conductive Epoxy
AME8819BEGT
1. GND
2. OUT (TAB)
3. IN
Die Attach:
Non-Conductive Epoxy
3



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AME
AME8819
n Pin Description
Low Dropout
600mA CMOS Regulator
Pin Name
IN
Pin Description
Input voltage pin.
It should be decoupled with 1µF or greater capacitor.
GND
Ground connection pin.
OUT
EN
LDO voltage regulator output pin.
It should be decoupled with a 2.2µF or greater value low ESR ceramic capacitor.
Enable pin.
When pulled low, the PMOS pass transistor turns off, current consuming less than 10µA.
ADJ Feedback output voltage for adjustable device.
4 Rev.B.01




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