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Home » NEWEST Products » New by Manufacturer » Skyworks Solutions Inc. » AAT2215 SwitchReg Step-Up Regulator - Skyworks
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Skyworks AAT2215 SwitchReg™ Step-Up Regulator

Skyworks AAT2215 SwitchReg™ Step-Up Regulator

Skyworks AAT2215 SwitchReg™ Step-Up Regulator is a high current device with a programmable peak NMOS current limit. This Skyworks synchronous step-up regulator is ideal for preventing the input current from overloading the system power in PC Card GSM/GPRS/3G and WiMax modem card applications. The internal compensation of AAT2215 is optimized for the large bulk tantalum output capacitors needed to support the output voltage during large load pulses. The output voltage may be programmed from 3.0V to 5.5V by external resistor divider. Light load switching frequency modulation and low quiescent current maintain high efficiency performance for light load mode conditions.


Features
  • 2.4V to VOUT + 0.25V Input Voltage Range
  • Adjustable 3.0V to 5.5V Output Voltage
  • Internal Compensation
  • 600kHz Switching Frequency
  • Programmable Peak NMOS Current Limit (0.6A to 4.0A)
  • Synchronous P-Channel MOSFET
    • True Load Disconnect in Shutdown
    • Reverse Current Block When Enabled
    • Start-Up Inrush Current Limit (0.75A) and Overload Current Limit (3A)
  • Up to 95% Efficiency
  • Active-Low Power Ready Indicator (RDY)
  • Very Low 55μA No-Load Operating Current
  • Less than 1μA Shutdown Current
  • 6V Output Over-Voltage Protection (OVP)
  • Thermal Shutdown Protection (TSHDN)
  • Short Circuit Protection
  • Low-Profile TDFN33-12 Package
Applications
  • Media Tablets
  • PCI-Express Cards
  • PCMCIA Cards
  • Modems
  • Wireless Data Cards

Typical Application Figure
Typical Application Figure

Block Diagram
Block Diagram
  • Skyworks Solutions Inc.