2.8V-5.5V Vin 2A Synchronous Step Down Convertor, SCT2120 Replace MP2143.
SCT2120
SCT2120.pdf
SCT2120.pdfFEATURES
• Input Voltage Range: 2.8V-5.5V
• Up to 2A Peak Output Current
• Low Shutdown Current 0.05uA
• 0.6V ±1% Feedback Reference Voltage
• Force Pulse Width Modulation (FPWM) Mode
• 2.2MHz Switching Frequency
• Integrated 80mΩ High-Side and 50mΩ Low-Side
Power MOSFETs
• 100% Duty Cycle Mode
• Adjustable output voltage from 0.6 V to 5 V
• Active output discharge
• 1.5ms Internal Soft-start Time
• Power Good Indicator
• Integrated Protection Feature
- Cycle-by-cycle current limit
- Under-voltage Lockout
- HICCUP Over load Protection
- Thermal Shutdown Protection:160°C
• QFN-8L1.5mm*2mm Package with SCT2120FTAR
• SOT-8L 3mm*3mm Package with SCT2120TTBR
• Available in a Wettable Flank Package
PIN CONFIGUTION
优势替代
FEATURES
• Wide 2.5V-to-5.5V Operating Input Range
• Output Voltage as Low as 0.6V
• 100% Duty Cycle in Dropout
• Up to 3A Output Current
• Low IQ: 40µA
• 80mΩ and 40mΩ Internal Power MOSFET Switches
• Default 1.2MHz Switching Frequency
• EN and Power-Good for Power Sequencing
• Cycle-by-Cycle Over-Current Protection
• Auto Discharge at Power Off
• Short-Circuit Protect with Hiccup Mode
• Stable with Low-ESR Output Ceramic Capacitors
• Available in a TSOT23-8 Package
PIN CONFIGUTION
