• 260-nA Ultra-Low IQ into the VOUT Pin
• 40-nA Ultra-Low IQ into the VIN Pin
• Operating Input Voltage from 0.9 V to 5.5 V
• Adjustable Output Voltage from 2.5 V to 5.5 V
• Fixed Output Voltage Versions Available
• Typical 0.8-A Switch Peak Current Limit
• Regulated Output Voltage in the Down Mode .