2138cn太阳集团古天乐-www.2138cn.com|最新版

SCT12A1DHKR

SCT12A1DHKR

• Load Disconnection Control with an External P- Channel MOSFET
• Wide Input Voltage Range:   2.7V-14.0V
• Wide Output Voltage Range: 4.5V-14.6V
• Fully Integrated 13mΩ High Side FET 11mΩ Low Side FET
• Up to 92% Efficiency at Vin=3.6V, Vout=9V, Iout=3A
• Up to 12A Switch Current Programmable Peak Current Limit
• Typical Shut-down Current: 1uA
• Programmable Switching Frequency: 200kHz-2.2MHz
• Selectable PFM or Forced PWM Mode
• Programmable Soft Start
• Output Feedback Overvoltage Protection
• Thermal Shutdown Protection: 150°C
• Available in DFN-20 3.5mmx4.5mm Package


The SCT12A1 is a high efficiency, fully integrated synonous boost converter with a 13mΩ high-side MOSFET a 11mΩ low-side MOSFET, supporting 2.7V to 14V input voltage range up to 12-A switch current. The switch current limit can be adjustable with an external resistor. The device adapts constant off-time peak current control to provide fast transient. An external compensation network allows flexibility setting loop dynamics to achieve optimal transient performance at different load conditions. Using MODE pin s either Pulse Frequency Modulation (PFM) operation or forced Pulse Width Modulation (PWM) operation. The SCT12A1 offers the gate control for an external P-channel MOSFET to disconnect load from boost converter output. This safety feature prevents the damage on load from input shooting through to output in shutdown or output hard short to ground condition. The device monitors both output voltage feedback voltage to protect over-voltage condition. It features cycle-by-cycle peak current limit thermal shutdown protection when the device over loads. The SCT12A1 is available in a low-profile package DFN-20L 3.5mmx4.5mmx0.9mm with enhanced thermal power pad.


APPLICATION

Bluetooth Audio, Power Banks, POS System, E-Cigarette, USB Power Delivery