Diodes AP7333 Manuel d'utilisateur

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AP7333
300mA, Low Quiescent Current, Fast Transient
Low Dropout Linear Regulator
AP7333 Rev. 2 1 of 12 NOVEMBER 2009
www.diodes.com © Diodes Incorporated
300mA Low Dropout Regulator in 3-pin package
Very low I
Q
over full load: 65µA
Wide input voltage range: 2V to 6V
Fixed output options: 1.0V to 3.3V
PSRR: 65dB typical at 100Hz
Fast start-up time: 80µs
Stable with low ESR, 1µF ceramic output capacitor
Excellent Load/Line Transient Response
Low dropout: 300mV typical at 300mA
Current limit protection
Short circuit protection
Thermal shutdown protection
Ambient temperature range: -40ºC to 85°C
SOT23 and SOT23R: Available in “Green” Molding
Compound (No Br, Sb)
Lead Free Finish/RoHS Compliant (Note 1)
The AP7333 is a 300mA, fixed output voltage, low dropout linear
regulator. The device included pass element, error amplifier,
band-gap, current limit and thermal shutdown circuitry.
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 AP7333 is available in SOT23 packages with different
pin-outs.
Applications
XDSL Router
Wireless LAN Cards
Desktop and Notebook Computers
Battery Powered Equipments
Mouse, Keyboards
Typical Application Circuit
1uF
IN
GND
OUT
1uF
V
IN
V
OUT
AP7333
Features
Description
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Résumé du contenu

Page 1 - Low Dropout Linear Regulator

AP7333300mA, Low Quiescent Current, Fast TransientLow Dropout Linear Regulator AP7333 Rev. 2 1 of

Page 2

AP7333300mA, Low Quiescent Current, Fast TransientLow Dropout Linear Regulator AP7333 Rev. 2 10 o

Page 3 - Functional Block Diagram

AP7333300mA, Low Quiescent Current, Fast TransientLow Dropout Linear Regulator AP7333 Rev. 2 11 o

Page 4 - Absolute Maximum Ratings

AP7333300mA, Low Quiescent Current, Fast TransientLow Dropout Linear Regulator AP7333 Rev. 2 12 o

Page 5 - Electrical Characteristics

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Page 6

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Page 7

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Page 8

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Page 9 - Application Note

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Page 10 - Marking Information

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Page 11

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Page 12 -

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