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MAX1544 Datasheet PDF - Maxim Integrated

Part NameDescriptionManufacturer
MAX1544 Dual-Phase, Quick-PWM Controller for AMD Hammer CPU Core Power Supplies MaximIC
Maxim Integrated MaximIC
Other PDF  no available.
MAX1544 Datasheet PDF : MAX1544 pdf   
MAX1544 image

General Description
The MAX1544 is a dual-phase, Quick-PWM™, stepdown controller for AMD Hammer™ CPU core supplies. Dual-phase operation reduces input ripple current requirements and output voltage ripple while easing component selection and layout difficulties. The QuickPWM control scheme provides instantaneous response to fast load-current steps. The MAX1544 includes active voltage positioning with adjustable gain and offset, reducing power dissipation and bulk output capacitance requirements.

Features
♦ Dual-Phase, Quick-PWM Controller
♦ ±0.75% VOUT Accuracy Over Line, Load, and
   Temperature (1.3V)
♦ Active Voltage Positioning with Adjustable Gain
   and Offset
♦ 5-Bit On-Board DAC: 0.675V to 1.55V Output
   Adjust Range
♦ Selectable 100kHz/200kHz/300kHz/550kHz
   Switching Frequency
♦ 4V to 28V Battery Input Voltage Range
♦ Adjustable Slew-Rate Control
♦ Drives Large Synchronous Rectifier MOSFETs
♦ Selectable Output Overvoltage Protection
♦ Undervoltage and Thermal-Fault Protection
♦ Power Sequencing and Timing
♦ Selectable Suspend Voltage
♦ Soft-Shutdown
♦ Selectable Single- or Dual-Phase Pulse Skipping

Applications
   AMD Hammer Desktop or Notebook PCs
   Multiphase CPU Core Supply
   Voltage-Positioned Step-Down Converters
   Servers/Desktop Computers

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