MAX1835
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MAX1835

High-Efficiency Step-Up Converters with Reverse Battery Protection

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Part Models 2
1ku List Price Starting From $2.60
Features
  • Reverse Battery Protection for DC-DC Converter and Load
  • Up to 90% Efficiency
  • No External Diode or FETs Needed
  • Internal Synchronous Rectifier
  • 4µA Quiescent Current
  • <1µA Shutdown Supply Current
  • +1.5V to +5.5V Input Voltage Range
  • Accurate active-low SHDN Threshold for Low-Battery Cutoff
  • BATT Connected to OUT in Shutdown for Backup Power (MAX1832/MAX1833)
  • RST-bar Output (MAX1833/MAX1835)
  • Fixed 3.3V/3.0V Output Voltage
  • Adjustable Output Voltage (MAX1832/MAX1834)
  • Up to 150mA Output Current
  • Tiny 6-Pin SOT23 Package
  • Tiny 6-Pin Thin QFN Package (MAX1833ETT30)
Additional Details
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The MAX1832-MAX1835 are high-efficiency step-up converters with complete reverse battery protection that protects the device and the load when the battery is reversed. They feature a built-in synchronous rectifier, which allows for over 90% efficiency and reduces size and cost by eliminating the need for an external Schottky diode.

These step-up converters operate from a +1.5V to +5.5V input voltage range and deliver up to 150mA of load current. The MAX1833EUT/MAX1835EUT (SOT devices) have a fixed 3.3V output voltage. The MAX1833ETT30 (TDFN device) has a fixed 3.0V output voltage. The MAX1832/MAX1834 have adjustable outputs from +2V to +5.5V. In shutdown, the MAX1832/MAX1833 connect the battery input to the voltage output, allowing the input battery to be used as a backup or real-time clock supply when the converter is off (see Selector Guide).

MAX183_EUT devices are available in a miniature 6-pin SOT23 package. The MAX1833ETT30 is available in a 3mm x 3mm thin DFN package. The MAX1832EVKIT is available to speed designs.

Applications

  • Battery Backup
  • Cordless Phones
  • Digital Cameras
  • Handheld Instruments
  • Local 3.3V to 5V Supplies
  • Medical Diagnostic Equipment
  • Pagers
  • PC Cards
  • Remote Wireless Transmitters
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file View Data Sheet (Rev.3)
Documentation View All Documentation
Part Models 2
1ku List Price Starting From $2.60
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MAX1835

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UPDATED 12/13/2018
English

MAX1832-MAX1835: High-Efficiency Step-Up Converters with Reverse Battery Protection Data Sheet (Rev.3)

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UPDATED 01/01/1900
Chinese

2455: 高效率、升压型转换器，带有反接电池保护 Data Sheet

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UPDATED 01/26/2006
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MAX1832-MAX1835_jp: 逆バッテリ保護付き、高効率ステップアップコンバータ Data Sheet (Rev.2)

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Documentation

Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
MAX1835EUT+ 6-SOT_23-N/A external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link
MAX1835EUT+T 6-SOT_23-N/A external-link
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  • Material Declaration external-link
  • HTML
  • Reliablity Data external-link
Software & Part Ecosystem

Software & Part Ecosystem

Evaluation Kit

Evaluation Kits 1

MAX1833EVKIT

Evaluation Kit for the MAX1832, MAX1833, MAX1834, MAX1835

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MAX1833EVKIT

Evaluation Kit for the MAX1832, MAX1833, MAX1834, MAX1835

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MAX1833EVKIT
Evaluation Kit for the MAX1832, MAX1833, MAX1834, MAX1835

Features and Benefits

  • Reverse-Battery Protection
  • 1.5V to VOUT Input Supply Voltage
  • 3.3V Output Voltage (MAX1833/MAX1835)
  • Adjustable Output Voltage (MAX1832/MAX1834, 2V to 5.5V)
  • Up to 150mA Output Current
  • No External Schottky Diode Required
  • Synchronous Rectification for Improved Efficiency
  • 1µA IC Shutdown Current
  • RST-bar Output (MAX1833/MAX1835)
  • 6-Pin SOT23 Package
  • Surface-Mount Construction
  • Fully Assembled and Tested
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Product Detail

The MAX1833 evaluation kit (EV kit) evaluates the MAX1833 high-efficiency, step-up DC-DC converter for portable hand-held devices. The EV kit accepts a positive input voltage between 1.5V to VOUT and converts it to a 3.3V output for currents up to 150mA. The EV kit provides ultra-low quiescent current and high efficiency for maximum battery life.

The MAX1833 EV kit is a fully assembled and tested surface-mount printed circuit board. It can also be used to evaluate the MAX1832/MAX1834/MAX1835 for other output voltages in the 2V to 5.5V range. Additional pads on the board accommodate the external feedback resistors for setting different output voltages.

Applications

  • Battery Backup
  • Cordless Phones
  • Digital Still Cameras
  • Handheld Instruments (PDAs, Palmtops)
  • Local 3.3V to 5V Supplies
  • Medical Diagnostic Equipment
  • Pagers
  • PC Cards
  • Remote Wireless Transmitters

Evaluation Kits1

MAX1833EVKIT

Evaluation Kit for the MAX1832, MAX1833, MAX1834, MAX1835

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