MAX618
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MAX618

28V, PWM, Step-Up DC-DC Converter

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High-Voltage, High Current Step-Up in QSOP Also Offers SEPIC and Flyback Topologies

Info: : PRODUCTION tooltip
Info: : PRODUCTION tooltip
Part Details
Part Models 3
1ku List Price Starting From $5.24
Features
  • Adjustable Output Voltage Up to +28V
  • Up to 93% Efficiency
  • Wide Input Voltage Range (+3V to +28V)
  • Up to 500mA Output Current at +12V
  • 500µA Quiescent Supply Current
  • 3µA Shutdown Current
  • 250kHz Switching Frequency
  • Small 1W, 16-Pin QSOP Package
Additional Details
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The MAX618 CMOS, PWM, step-up DC-DC converter generates output voltages up to 28V and accepts inputs from +3V to +28V. An internal 2A, 0.3Ω switch eliminates the need for external power MOSFETs while supplying output currents up to 500mA or more. A PWM control scheme combined with Idle Mode™ operation at light loads minimizes noise and ripple while maximizing efficiency over a wide load range. No-load operating current is 500µA, which allows efficiency up to 93%.

A fast 250kHz switching frequency allows the use of small surface-mount inductors and capacitors. A shutdown mode extends battery life when the device is not in use. Adaptive slope compensation allows the MAX618 to accommodate a wide range of input and output voltages with a simple, single compensation capacitor.

The MAX618 is available in a thermally enhanced 16-pin QSOP package that is the same size as an industry-standard 8-pin SO but dissipates up to 1W. An evaluation kit (MAX618EVKIT) is available to help speed designs.

Applications

  • Industrial +24V and +28V Systems
  • LCD Displays
  • Palmtop Computers
Part Models 3
1ku List Price Starting From $5.24

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
MAX618EEE+
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MAX618EEE+T
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MAX618EEE/GG8
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Apr 7, 2023

- 2361C

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MAX618EEE+

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