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APW7016

Anpec Electronics Coropration
Part Number APW7016
Manufacturer Anpec Electronics Coropration
Description Advanced PWM Power Controller
Published Nov 17, 2008
Detailed Description APW7016 Advanced PWM Power Controller Features • • www.DataSheet4U.com General Description The APW7016 provides a comp...
Datasheet PDF File APW7016 PDF File

APW7016
APW7016


Overview
APW7016 Advanced PWM Power Controller Features • • www.
DataSheet4U.
com General Description The APW7016 provides a complete control and protection for a DC-DC converter optimized for high performance microprocessor applications.
It is designed to drive two N-Channel MOSFETs in a synchronousrectified buck topology.
The APW7016 integrates output voltage control , monitoring and protection functions into a single Package.
The APW7016 includes a 3-bit digital-to-analog converter (DAC) that provides a easily adjustable and precisely output voltage from 1.
3VDC to 1.
65VDC in 0.
05V steps.
Any selected output voltage can be maintained within ±1% accuracy over temperature and line voltage variations.
With a 200kHz free-running triangle-wave oscillator and a error amplifier featuring a 15MHz unity-gain bandwidth and 6V/us slew rate inside the chip , APW7016 can implement a simple , single feedback loop , voltage-mode control topology with high transient performance.
The APW7016 also features with multiple protections against over-current and over-voltage conditions by inhibiting PWM operation.
The APW7016 uses the RDS(ON) of the upper MOSFET as the current sensing element which eliminates the demend for an extra component.
The APW7016 also monitors the output voltage using a comparator with hysteresis that tracks the DAC output.
Simple Single-Loop Control Design − Voltage-Mode PWM Control Excell Output Voltage Regulation • − PWM Output : ±1% Over Temperautre Fast Transient Response • • • − High-Bandwidth Error Amplifier −Full 0% to 100% Duty Ratio 3-Bit Digital-to-Analog Output Voltage Selection Over-Voltage and Over-Current Fault Monitors Small Converter Size −200kHz Free-Running Oscillator − Programmable from 50KHz to 800KHz Applications • • • High-Power 5V to 3.
xV (or below) DC-DC Regulators Low-Voltage Distributed Power Supplies VGA Card Power Regulation Pin Description VSEN OCSET SS VID0 VID1 VID2 COMP FB 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 RT VCC LGATE PGND ...



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