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General Description

The APW7067N integrates synchronous buck PWM and linear controller, as well as monitoring and protection functions into a single package. The synchronous PWM controller drives dual N-channel MOSFETs, which provides one controlled power output with under-voltage and over current protections. Linear controller drives an external N-channel MOSFET with under-voltage protection.

Features

· Provided Two Regulated Voltages

- Synchronous Buck Converter

- Linear Regulator

· Single 12V Power Supply Required

· Excellent Both Output Voltage Regulation

- 0.8V Internal Reference

- ±1 Over Line Voltage and Temperature

· Integrated Soft-Start for PWM and Linear Outputs

· Programmable Frequency Range from 150kHz to 1000kHz

· Voltage Mode PWM Control Design and Up to 89 (Typ.) Duty Cycle

· Under-Voltage Protection for PWM and Linear Output

· Over-Current Protection for PWM Output

- Sense Low-Side MOSFET’s RDS(ON)

· SOP-14, QSOP-16 and QFN4x4-16 packages

· Lead Free and Green Devices Available (RoHS Compliant)