LX8816

Features:

* Two Independent Regulated  Outputs
*  Accurate Output Voltages
*  Typical Dropout of 1.2V at 1A  and 1.1V at 500mA
*   Independent Thermal and  Current Limit Protection
*   Low Profile 5 Lead SMT Power  Package
*  Low Tolerance Load Regulation
*  Wide DC Supply Voltage of 4.3V to 10V
*  Loop Stability Independent of  Output Capacitor Type


Application

*  5V to 3.3V / ADJ Regulators
*  Hard Disk Drives, CD-ROMs 
*  ADSL and Cable Modems 
* Battery Charging Circuits
*  Instrumentation
*  PC Peripherals

Pinout




Specifications

Input Voltage (VBAT).................................................................................................. 13.5V
Load Current (Internally Limited)................................................................................... 1A
Power Dissipation ................................................................................... Internally Limited
Short-Circuit Protection ....................................................................................... Indefinite
Operating Junction Temperature ................................................................................150°C
Lead Temperature (Soldering 180 seconds) ...............................................................235°C 
 


Description

The LX8816 is a dual channel  positive-voltage linear regulator.  This  dual regulator has one fixed output  coupled with an adjustable output.   Each channel features low-dropout  and high accuracy.

The LX8816 provides designers  with a flexible power management  olution, minimal printed circuit board  area and shorter design cycles.  Each channel can supply up to one  amp independently with a regulator  design optimized for system efficiency  by consuming minimal ground current  and directing quiescent current to the oad.  

The LX8816 features on-chip  rimming of the internal voltage  enabling precise output voltages,  typically  ±1% of it's specified value,  while the BiPolar output transistor has a  low dropout voltage even at full output  current (VDO < 1.2V typ. @ 1A). Thermal and Short Circuit Current  Prote ction are integrated on-chip and  operate independently for each regulator  output.

The LX8816 regulator is stable with a  low-value output capacitor, typically  2.2µF on the outputs, allowing designers  flexibility in external compo nent  selection.Microsemi's S-PAK package enables  maximum power dissipation and ease of  assembly using surface mount  technology.