FAN5231
FAN5231 is Precision Dual PWM Controller And Linear Regulator manufactured by Fairchild Semiconductor.
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Precision Dual PWM Controller And Linear Regulator for Notebook CPUs
Features
- Provides 3 Regulated Voltages
- Microprocessor core (SpeedStep™-enabled)
- Microprocessor I/O
- Microprocessor Clock Generator
- High Efficiency Over Wide Load Range
- Not Dissipative Current-Sense Scheme
- Uses MOSFET’s R DS(ON)
- Optional Current-Sense Resistor for Precision Overcurrent
- Adaptive Dead Time Drivers for N-Channel MOSFETs
- Operates from +5V, +3.3V and Battery (5.6-24V) Inputs
- Precision Core Voltage Control:
- Remote “Kelvin” Sensing
- Summing Current-Mode Control
- On-Chip Mode-pensated “Droop” for Optimum Transient Response and Lower Processor Power...
