MAX5080
Info: : PRODUCTION
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MAX5080

1A, 40V, MAXPower Step-Down DC-DC Converters

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Info: : PRODUCTION tooltip
Info: : PRODUCTION tooltip
Part Details
Part Models 2
1ku List Price Starting From $4.14
Features
  • 4.5V to 40V (MAX5080) or 7.5V to 40V (MAX5081) Input Voltage Range
  • 1A Output Current
  • VOUT Range From 1.23V to 32V
  • Internal High-Side Switch
  • Fixed 250kHz Internal Oscillator
  • Automatic Switchover to Pulse-Skip Mode at Light Loads
  • External Frequency Synchronization
  • Thermal Shutdown and Short-Circuit Protection
  • Operates Over the -40°C to +125°C Temperature Range
  • Space-Saving (5mm x 5mm) High-Power 16-Pin TQFN Package
Additional Details
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The MAX5080/MAX5081 are 250kHz PWM step-down DC-DC converters with an on-chip, 0.3Ω high-side switch. The input voltage range is 4.5V to 40V for the MAX5080 and 7.5V to 40V for the MAX5081. The output is adjustable from 1.23V to 32V and can deliver up to 1A of load current.

Both devices utilize a voltage-mode control scheme for good noise immunity in the high-voltage switching environment and offer external compensation allowing for maximum flexibility with a wide selection of inductor values and capacitor types. The switching frequency is internally fixed at 250kHz and can be synchronized to an external clock signal through the SYNC input. Light load efficiency is improved by automatically switching to a pulse-skip mode.

All devices include programmable undervoltage lockout and soft-start. Protection features include cycle-by-cycle current limit, hiccup-mode output short-circuit protection, and thermal shutdown. Both devices are available in a space-saving, high-power (2.7W), 16-pin TQFN package and are rated for operation over the -40°C to +125°C temperature range.

Applications

  • Automotive
  • Distributed Power
  • FireWire® Power Supplies
  • Industrial
Part Models 2
1ku List Price Starting From $4.14

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Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
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Jun 20, 2016

- 1612

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