2.8V-5.5V Vin 2A Synchronous Step Down Convertor, SCT2120 Replace MP2172.
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 80m? 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 2A Output Current
? 80m? and 45m? Internal Power MOSFET Switches
? Default 2.6MHz Switching Frequency with
3.3V Input and 1.8V Output
? EN and Power Good for Power Sequencing
? Cycle-by-Cycle Over-Current Protection (OCP)
? Auto Discharge at Power-Off
? Short-Circuit Protection (SCP) with Hiccup Mode
? Stable with Low ESR Output Ceramic Capacitors
? Available in a TSOT23-8 Package
PIN CONFIGUTION
