uP1542S - 5V/12V Synchronous-Rectified Buck Controller

uP1542S - 5V/12V Synchronous-Rectified Buck Controller

Features:

• Operates from 5V or 12V Supply Voltage
• 3.3V to 12V VIN Input Range
• VREF with 1.0% Accuracy:
• uP1542S/U: 0.6V VREF
• uP1542T/Q/V: 0.8V VREF
• Stand Alone Mode Operation
• Simple Single-Loop Control Design
• Voltage-Mode PWM Control
• Fast Transient Response
• Fixed 300kHz Switching Frequency
• High-Bandwidth Error Amplifier
• 0% to 90% Duty Cycle
• Lossless, Adjuatable Over Current Protection
• Uses Lower MOSFET RDS(ON)
• uP1542S/U: Linear OCP
• uP1542T/Q/V: Fixed OCP
• Internal Soft Start
• Integrated Boot Diode
• PSOP-8L and WDFN2x2-8L Package
• RoHS Compliant and Halogen Free

Xem thêm chi tiết tại trang web của nhà sản xuất http://www.upi-semi.com/up1542.html

Download datasheet  http://www.upi-semi.com/docs/up1542.pdf