Diodes AP7311 Manuel d'utilisateur

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AP7311
150mA, Low Quiescent Current, Fast Transient
Low Dropout Linear Regulator
AP7311 Rev. 2 1 of 13 NOVEMBER 2009
www.diodes.com © Diodes Incorporated
150mA Low Dropout Regulator with EN
Very low I
Q
over full load: 65µA
Wide input voltage range: 2V to 6V
Wide adjustable output: 0.8V to 5.0V
Fixed output options: 1.0V to 3.3V
PSRR: 65dB at 100Hz
Fast start-up time: 80µs
Stable with low ESR, 1µF ceramic output capacitor
Excellent Load/Line Transient Response
Low dropout: 150mV typical at 150mA
Current limit protection
Short circuit protection
Thermal shutdown protection
Ambient temperature range: -40ºC to 85°C
SOT25: Available in “Green” Molding Compound
(No Br, Sb)
Lead Free Finish/RoHS Compliant (Note 1)
The AP7311 is a 150mA, adjustable and fixed output voltage, low
dropout linear regulator. The device included pass element, error
amplifier, band-gap, current limit and thermal shutdown circuitry.
The device is turned on when EN pin is set to logic high level.
The characteristics of low dropout voltage and low quiescent
current make it suitable for low power applications, for example,
battery powered devices. The typical quiescent current is
approximately 65μA.
Built-in current-limit and thermal-shutdown functions prevent IC
from damage in fault conditions.
The AP7311 is available in SOT25 package.
Notebook and Desktop Computers and Pheripherals
Portable Devices
Battery Powered Devices
CD-ROM, DVD and LAN Cards
Typical Application Circuit
1uF
IN
GND
EN
OUT
Enable
1uF
V
IN
V
OUT
AP7311
Fixed Output
1uF
IN
GND
EN
OUT
Enable
ADJ
R2
R1
1uF
V
IN
V
OUT
AP7311
Adjustable Output
Features
Description
Applications
+=
2
1
REFOUT
R
R
1VV
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Résumé du contenu

Page 1 - Low Dropout Linear Regulator

AP7311150mA, Low Quiescent Current, Fast TransientLow Dropout Linear Regulator AP7311 Rev. 2 1 o

Page 2 - Ordering Information

AP7311150mA, Low Quiescent Current, Fast TransientLow Dropout Linear Regulator AP7311 Rev. 2 10

Page 3 - Pin Descriptions

AP7311150mA, Low Quiescent Current, Fast TransientLow Dropout Linear Regulator AP7311 Rev. 2 11 o

Page 4 - Absolute Maximum Ratings

AP7311150mA, Low Quiescent Current, Fast TransientLow Dropout Linear Regulator AP7311 Rev. 2 12 o

Page 5 - Electrical Characteristics

AP7311150mA, Low Quiescent Current, Fast TransientLow Dropout Linear Regulator AP7311 Rev. 2 13 o

Page 6

AP7311150mA, Low Quiescent Current, Fast TransientLow Dropout Linear Regulator AP7311 Rev. 2 2 o

Page 7 - PSRR (dB)

AP7311150mA, Low Quiescent Current, Fast TransientLow Dropout Linear Regulator AP7311 Rev. 2 3 o

Page 8

AP7311150mA, Low Quiescent Current, Fast TransientLow Dropout Linear Regulator AP7311 Rev. 2 4 o

Page 9

AP7311150mA, Low Quiescent Current, Fast TransientLow Dropout Linear Regulator AP7311 Rev. 2 5 o

Page 10 - Application Note

AP7311150mA, Low Quiescent Current, Fast TransientLow Dropout Linear Regulator AP7311 Rev. 2 6 o

Page 11 - Marking Information

AP7311150mA, Low Quiescent Current, Fast TransientLow Dropout Linear Regulator AP7311 Rev. 2 7 o

Page 12

AP7311150mA, Low Quiescent Current, Fast TransientLow Dropout Linear Regulator AP7311 Rev. 2 8 o

Page 13

AP7311150mA, Low Quiescent Current, Fast TransientLow Dropout Linear Regulator AP7311 Rev. 2 9 o

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