General Description
The APW7063 integrates PWM and linear controller, as well as themonitoring and protectionfunctions into a single package. The synchronous PWM controller which drives dualN-channel MOSFETs, which provides one controlled power outputs with under-voltage and over-current protections. Linear controller drives an external N-channel MOSFET with under-voltage protection.
FEATUREs
• Provide Two Regulated Voltages
- Synchronous Rectified Buck PWM Controller
- Linear Controller
• Fast Transient Response
- 0~85% Duty Ratio
• Excellent Output Voltage Regulation
- 0.8V Internal Reference
- ±1% Over Line Voltage and Temperature
• Over Current Protection
- Sense Low-Side MOSFET’s RDS(ON)
• Under Voltage Lockout
• Small Converter Size
- 250KHz Free-Running Oscillator
- Programmable From 70kHz to 800kHz
• 14-Lead SOIC Package
• Lead Free Available (RoHS Compliant)
APPLICATIONs
• Graphic Cards
• Memory Power Supplies
• DSL or Cable MODEMs
• Set Top Boxes
• Low-Voltage Distributed Power Supplies