MAX8770 Overview
The MAX8770/MAX8771/MAX8772 are 2/1-phase interleaved Quick-PWM™ step-down VID power-supply controllers for notebook CPUs. True out-of-phase operation reduces input ripple current requirements and output voltage ripple while easing ponent selection and layout difficulties. The Quick-PWM control provides instantaneous response to fast load current steps. Active voltage positioning reduces power dissipation and bulk output capacitance requirements and allows ideal positioning .. pensation for tantalum, polymer, or ceramic bulk output capacitors. The MAX8770/MAX8771/MAX8772 are intended for two different notebook CPU core
MAX8770 Key Features
- Single/Dual-Phase, Quick-PWM Controller
- ±0.4% VOUT Accuracy Over Line, Load, and Temperature
- 7-Bit On-Board DAC: 0 to +1.5000V Output Adjust Range
- Dynamic Phase Selection Optimizes Active/Sleep Efficiency
- Transient Phase Overlap Reduces Output Capacitance
- Integrated Boost Switches
- Active Voltage Positioning with Adjustable Gain
- Programmable 200kHz to 600kHz Switching Frequency
- Accurate Current Balance and Current Limit
- Adjustable Slew-Rate Control