RC5054A
Features
- Drives Two N-Channel MOSFETs
- Operates from +5V Power Input
- Simple Single-Loop Control Design
- Voltage-Mode PWM Control
- Fast Transient Response
- High-Bandwidth Error Amplifier
- Full 0% to 100% Duty Ratio
- Excellent Output Voltage Regulation
- TTL patible 5 Bit Digital-to-Analog Output Voltage Selection
- Wide Range
- 1.3VDC to 3.5VDC
- 0.1V Binary Steps from 2.1VDC to 3.5VDC
- 0.05V Binary Steps from 1.3VDC to 2.1VDC
- Power-Good Output Voltage Monitor
- Over-Voltage and Over-Current Fault Monitors
- Does Not Require Extra Current Sensing Element, Uses MOSFET’s RDS(ON)
- Small Converter Size
- Constant Frequency Operation
- 200k Hz Free-Running Oscillator Programmable from 50k Hz to 1MHz
Applications
- Power Supply for Pentium®, Pentium Pro, Power PC™ and Alpha™ Microprocessors
- High-Power 5V to 3.x V DC-DC Regulators
- Low-Voltage Distributed Power Supplies
Description
The RC5054A provides plete control and protection for a DC-DC converter optimized for...