2.8V-5.5V Vin 2A Synchronous Step Down Convertor, SCT2120 Replace TPS62822.
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
• DCS-Control™ topology
• 26-mΩ/25-mΩ internal power switches
(TPS62823)
• Up to 3-A output current (TPS62823)
• Very low quiescent current of 4 µA
• Switching frequency of typically 2.2 MHz
• 1% feedback voltage accuracy (full temp. range)
• Enable (EN) and power good (PG)
• Adjustable output voltage from 0.6 V to 4 V
• 100% duty-cycle mode
• Internal soft-start circuitry
• Seamless power save mode transition
• Undervoltage lockout
• Active output discharge
• Cycle-by-cycle current limit
• HICCUP short-circuit protection
• Over temperature protection
• CISPR11 class B compliant
• Create a custom design using the TPS62822
with the WEBENCH® Power Designer
PIN CONFIGUTION
