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Low IQ, Low Dropout 560mA Fixed Voltage Regulator


General Description
The APL5508/9/R series are micropower, low dropout linear regulators, which operate from 2.7V to 6V input voltage and deliver up to 560mA. Typical drop out voltage is only 600mV at 560mA loading. Designed for use in battery-powered system, the low 60μA quiescent current makes it an ideal choice. Design with an internal P-channel MOSFET pass transistor, the APL5508/9/R maintain a low supply current, independent of the load current and dropout voltage. Other features include thermal-shutdown protection, current limit protection to ensure specified output current and controlled short-circuit current. The APL5508/9/R regulators come in a miniature SOT- 23, SOT-89 and SOT-223 packages.

Low Quiescent Current : 60μA (No load)
Low Dropout Voltage : 600mV (@560mA)
Very low Shutdown Current : < 0.5uA
Fixed Output Voltage : 1.5V ~ 4.5V by step 0.1V increment
Stable with 1uF Output Capacitor
Stable with Aluminum, Tantalum or Ceramic Capacitors.
No Protection Diodes Needed
Built in Thermal Protection
Built in Current Limit Protection
Controlled Short Circuit Current : 50mA
Fast Transient Response
Short Setting Time
SOT-23, SOT-89 and SOT-223 Packages

5V to 3.3~4.3V Linear Regulators
3.3V to 1.5~2.5V Linear Regulators
CD-R/W, DVD Player
LAN Card, ADSL/Cable Modem


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