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AX6617  3A Ultra Low Dropout Linear Regulator

性能描述：

         The  AX6617 series  is  a  3A ultra low dropout  linear  regulator. This  product  is specifically  designed  to  provide  well  supply  voltage  for  front-side-bus  termination  on motherboards and * applications. The IC needs two supply voltages, a control voltage for the circuitry and a main supply voltage for power conversion, to reduce power dissipation and  provide  extremely  low  dropout.  The  AX6617  series  integrates  many  functions.  A Power-On-Reset (POR) circuit monitors both supply voltages to prevent wrong operations.
A  thermal  shutdown  and  current  limit  functions  protect  the  device  against  thermal  and current over-loads. A POK indicates the output status with time delay which is set internally. It can control other converter for power sequence. The AX6617 series can be enabled by other power system. Pulling and holding the EN pin below 0.6V shuts off the output. The AX6617 series is available in  SOP-8L-EP package which features *all size as
SOP-8L and an Exposed Pad to reduce the junction-to-case resistance, being applicable in 2~3W applications.

特点：

• Ultra Low Dropout 0.23V(t*ical) @ 2A Output Current for 1.2V output Voltage
• Low *R Output Capacitor (Multi-layer Chip Capacitors (MLCC)) Applicable
• EN internal pull-low for AX6617A
• EN internal pull-high for AX6617B
• Fast Transient Response 
• Adjustable Output Voltage by External Resistors 
• Power-On-Reset Monitoring on Both VCNTL and VIN Pins
• Internal Soft-Start 
• Under-Voltage Protection
• Current-Limit and Thermal Shutdown Protection 
• Power-OK Output with a Delay Time
• SOP-8L with Exposed Pad Pb-Free Package.
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