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AP7331

Diodes
Part Number AP7331
Manufacturer Diodes
Description FAST TRANSIENT LOW DROPOUT LINEAR REGULATOR
Published Feb 14, 2013
Detailed Description AP7331 300mA, LOW QUIESCENT CURRENT, FAST TRANSIENT LOW DROPOUT LINEAR REGULATOR Description The AP7331 is a 300mA, adj...
Datasheet PDF File AP7331 PDF File

AP7331
AP7331

Overview
AP7331 300mA, LOW QUIESCENT CURRENT, FAST TRANSIENT LOW DROPOUT LINEAR REGULATOR Description The AP7331 is a 300mA, 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 AP7331 is available in SOT25 and DFN2020-6 packages.
Pin Assignments SOT25 (Fixed Output) (Top View) IN 1 5 OUT GND 2 EN 3 4 NC SOT25 (ADJ Output) (Top View) DFN2020-6 (Fixed Output) DFN2020-6 (ADJ Output) (Top View) (Top View) EN 1 GND 2 IN 3 6 NC 5 NC 4 OUT EN 1 GND 2 IN 3 6 ADJ 5 NC 4 OUT Features • 300mA Low Dropout Regulator with EN • Very low IQ 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 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 • SOT25 and DFN2020-6: Available in “Green” Molding Compound (No Br, Sb) • Lead Free Finish/RoHS Compliant (Note 1) Applications • XDSL Routers • Wireless LAN Cards • Desktop and Notebook Computers • Battery Powered Equipments Notes: 1.
EU Directive 2002/95/EC (RoHS).
All applicable RoHS exemptions applied.
Please visit our website at http://www.
diodes.
com/products/lead_free.
html AP7331 Document number: DS31914 Rev.
3 - 2 1 of 13 www.
diodes.
com January 2011 © Diodes Incorporated Typical Application Circuit ...


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