MAX1706

PRODUCTION

1 to 3 Cell, High Current, Low-Noise, Step-Up DC-DC Converters with Linear Regulator

Low-Noise, Dual-Output Converter Powers PA and Radio Baseband and Logic In Cellular Phones

Data Sheet (Rev. 1) Product Selection Table
Part Models
2
1ku List Price
Starting From $4.06
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Part Details

  • Up to 96% Efficiency
  • 1.1VIN Guaranteed Startup
  • Up to 850mA Output (MAX1705)
  • Step-Up Output (2.5V to 5.5V Adjustable)
  • Linear Regulator (1.25V to 5.0V Adjustable)
  • PWM/PFM Synchronous-Rectified Topology
  • 300kHz PWM Mode or Synchronizable
  • 1µA Shutdown Mode
  • Voltage Monitor
  • Pushbutton On/Off Control
MAX1706
1 to 3 Cell, High Current, Low-Noise, Step-Up DC-DC Converters with Linear Regulator
MAX1705/MAX1706 Circuit Diagram MAX1705/MAX1706 Functional Diagram MAX1705/MAX1706 Pin Configuration
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Documentation

Data Sheet 1

Design Note 2

Technical Articles 3

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Hardware Ecosystem

Parts Product Life Cycle Description
Internal Power Switch Boost Regulators 2
MAX1700
PRODUCTION 1 Cell to 3 Cell, High-Power 1A, Low-Noise, Step-Up DC-DC Converters
MAX1703
PRODUCTION 1-Cell to 3-Cell, High Power (1.5A), Low-Noise, Step-Up DC-DC Converter
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Evaluation Kits

MAX1706EVKIT

Evaluation Kit for the MAX1705, MAX1706

Buy Now View Details

Features and Benefits

  • +0.9V to +4.5V Input Range
  • High-Power Output: 4.5V or Adjustable
  • Dual Outputs: Step-up and Linear Regulator
  • 200mA Max Linear-Regulator Output Current
  • Optional Track Mode for Highest Efficiency
  • Low-Noise, 3.3V or Adjustable Output Voltage
  • High-Efficiency Step-up Converter: up to 96%
  • Up to 850mA Total Output Current
  • Internal 300kHz Oscillator
  • Internal MOSFET and Synchronous Rectifier
  • 1µA Shutdown Current
  • Power-Good Output
  • Surface-Mount Components
  • Fully Assembled and Tested

Product Details

The MAX1705 evaluation kit (EV kit) is a step-up switching regulator for battery-powered systems operating from 1 to 3 NiCd/NiMH cells or 1 Li-Ion cell. The EV kit accepts a +0.9V to +4.5V input and converts it to a 4.5V step-up output and a 3.3V linear-regulator output. It provides low quiescent current, high-efficiency pulse-frequency-modulation operation for maximum battery life, and a high-power, fixed-frequency pulse-width-modulation mode. The MAX1705 features a built-in, low-dropout linear post-regulator that reduces high-frequency ripple.

The MAX1705 EV kit is a fully assembled and tested surface-mount circuit board. It can also be used to evaluate the MAX1706.

Applications

  • Digital Cordless Phones
  • Handheld Instruments (PDAs, Palmtops)
  • Palmtop Computers
  • PCS Phones
  • Personal Communicators
  • Two-Way Paging
  • Wireless Handsets

MAX1705EVKIT

Evaluation Kit for the MAX1705, MAX1706

Buy Now View Details

Features and Benefits

  • +0.9V to +4.5V Input Range
  • High-Power Output: 4.5V or Adjustable
  • Dual Outputs: Step-up and Linear Regulator
  • 200mA Max Linear-Regulator Output Current
  • Optional Track Mode for Highest Efficiency
  • Low-Noise, 3.3V or Adjustable Output Voltage
  • High-Efficiency Step-up Converter: up to 96%
  • Up to 850mA Total Output Current
  • Internal 300kHz Oscillator
  • Internal MOSFET and Synchronous Rectifier
  • 1µA Shutdown Current
  • Power-Good Output
  • Surface-Mount Components
  • Fully Assembled and Tested

Product Details

The MAX1705 evaluation kit (EV kit) is a step-up switching regulator for battery-powered systems operating from 1 to 3 NiCd/NiMH cells or 1 Li-Ion cell. The EV kit accepts a +0.9V to +4.5V input and converts it to a 4.5V step-up output and a 3.3V linear-regulator output. It provides low quiescent current, high-efficiency pulse-frequency-modulation operation for maximum battery life, and a high-power, fixed-frequency pulse-width-modulation mode. The MAX1705 features a built-in, low-dropout linear post-regulator that reduces high-frequency ripple.

The MAX1705 EV kit is a fully assembled and tested surface-mount circuit board. It can also be used to evaluate the MAX1706.

Applications

  • Digital Cordless Phones
  • Handheld Instruments (PDAs, Palmtops)
  • Palmtop Computers
  • PCS Phones
  • Personal Communicators
  • Two-Way Paging
  • Wireless Handsets
MAX1706EVKIT
Evaluation Kit for the MAX1705, MAX1706
MAX1705EVKIT
Evaluation Kit for the MAX1705, MAX1706

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