バックブースト･コンバータ

主な特徴

• Input voltage range from 1.8 V to 5.5 V
• 2 A output current at 3.3 V in buck mode (V_IN = 3.6 V to 5.5 V)
• 800 mA output current at 3.3 V in boost mode (V_IN 2.0 V)
• Typical efficiency higher than 94%
• ±2% DC feedback voltage tolerance
• Automatic transition between step-down and boost mode
• Adjustable output voltage from 1.2 V to 5.5 V
• Power save mode (PS) at light load
• 2.0 MHz fixed switching frequency
• Adjustable switching frequency up to 2.4 MHz (external synchronous square signal)
• Device quiescent current less than 50 µA
• Load disconnect during shutdown
• Shutdown and soft-start functions
• Shutdown current <1 A
• Available in Flip-Chip 20, pitch = 0.4 mm
• RoHS compliant

さらに表示

主な特徴

• Input voltage: from 2.3 V to 5.5 V
• Output voltage: 3.3 V
• Output current: 800 mA
• Operating frequency: 3 MHz
• RoHS compliant

さらに表示

主な特徴

• Buck-boost DC-DC converter
• Operating input voltage range: 2.0 V to 5.5 V
• 2% DC feedback voltage tolerance
• Synchronous rectification
• Shutdown function
• 1.5 MHz switching frequency
• Power save mode at light load
• Typical efficiency: > 94%
• 1 A output current capability
• Shutdown current: < 1 μA
• RoHS compliant

さらに表示