MAX8505

PRODUCTION

3A, 1MHz, 1% Accurate, Internal Switch Step-Down Regulator with Power-OK

Data Sheet (Rev. 1) Product Selection Table
Part Models
2
1ku List Price
Starting From $4.08
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Part Details

  • Saves Space—4.9mm x 6mm Footprint, 1µH Inductor, 47µF Ceramic Output Capacitor
  • Input Voltage Range
    • 2.6V to 5.5V
    • Down to 2.25V with Bias Supply
  • 0.8V to 0.85 x VIN, 3A Output
  • Ceramic or Polymer Capacitors
  • ±1% Output Accuracy over Load, Line, and Temperature
  • Fast Transient Response
  • Adjustable Soft-Start
  • In-Regulation Soft-Start Limits Output-Voltage Dips at Power-On
  • POK Monitors Output Voltage
MAX8505
3A, 1MHz, 1% Accurate, Internal Switch Step-Down Regulator with Power-OK
MAX8505: Typical Operating Circuit
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Documentation

Data Sheet 1

Reliability Data 1

Design Note 1

Technical Articles 2

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Evaluation Kits

MAX8505EVKIT

Evaluation Kit for the MAX8505

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Features and Benefits

  • 2.6V to 5.5V Input Voltage Range
  • Output Voltage
    • Preset to 1.2V (by External Voltage-Divider)
    • 0.8V to 85% of VIN Output Voltage Range
  • 3A Output Current
  • 1MHz Switching Frequency
  • POK (Power-OK) Output
  • Surface-Mount Construction
  • Fully Assembled and Tested

Product Details

The MAX8505 evaluation kit (EV kit) provides a 1.2V output voltage from a 2.6V to 5.5V input source, and delivers 3A output current. The MAX8505 EV kit includes the MAX8505 step-down switching regulator with an internal high-efficiency switch. The EV kit operates in PWM mode at a fixed 1MHz frequency, allowing use of the small-size external components.

The MAX8505 EV kit is a fully assembled and tested surface-mount printed circuit board. It can also be used to evaluate other output voltages, from 0.8V up to 85% of VIN, by changing the feedback resistors R2 and R3.

Applications

  • µP/ASIC/DSP/FPGA Core and I/O Supplies
  • Chipset Supplies
  • Network and Telecom Equipment
  • Server, RAID, and Storage Systems
MAX8505EVKIT
Evaluation Kit for the MAX8505

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