MIC2224 General Description
MIC2224 Maximum Ratings
Supply Voltage (VIN) .................................... 0V to 6V
Output Switch Voltage (VSW) ................................ 6V
DAC Input Voltage (VDAC) .................. 0V to Vin+0.3V
Output Switch Current (ISW) .............................. 2.5A
Logic Input Voltage (VEN).................... 0V to VIN+0.3V
Storage Temperature (TS) ............ -65°C to +150°C
MIC2224 Features
• 2.7V to 5.5V input voltage range
• DAC-adjustable output voltage down to 0.3V
• 600mA output current in PWM mode
• Internally protected 40mΩ bypass switch
• Allows direct connection of battery to load
• Over 95% efficient
• Fully integrated MOSFET switches
• Constant 2MHz PWM operation
• Internal soft-start
• 1% line and load regulation
• <1µA shutdown current
• Under-voltage lockout
• Thermal shutdown and current limit protection
• 40°C to +125°C junction temperature range
MIC2224 Typical Application
• Cellular phones
• PDAs
MIC2224 Connection Diagram
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