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MAX857ESA+T Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
MAX857ESA+TMAXIM2000Yes

MAX857ESA+T is a step-up DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices).

The MAX857ESA+T is a step-up DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices).

Specifications:

  • Input Voltage Range: 0.7V to 5.5V
  • Output Voltage: Adjustable from 2V to 5.5V
  • Output Current: Up to 300mA (depending on input/output conditions)
  • Switching Frequency: 500kHz
  • Efficiency: Up to 90%
  • Operating Temperature Range: -40°C to +85°C
  • Package: 8-pin SOIC (Small Outline Integrated Circuit)
  • Shutdown Current: <1µA

Descriptions:

The MAX857ESA+T is a low-power, step-up DC-DC converter designed for battery-powered applications. It features an internal N-channel MOSFET switch and requires minimal external components. The device is optimized for low-input-voltage operation, making it suitable for single-cell or dual-cell battery systems.

Features:

  • Low Start-Up Voltage: Operates down to 0.7V
  • Adjustable Output Voltage (via external resistors)
  • Internal MOSFET Switch (reduces external component count)
  • Low Quiescent Current: 25µA (typical)
  • Pulse-Skipping Mode for improved efficiency at light loads
  • Thermal Shutdown Protection
  • Undervoltage Lockout (UVLO)

This device is commonly used in portable electronics, such as wireless sensors, medical devices, and handheld instruments.

(Source: Maxim Integrated datasheet)

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