MAX77680/MAX77681 3-Output SIMO Buck-Boost Regulator Datasheet

This datasheet details the MAX77680/MAX77681, a 3-channel single-inductor multiple-output buck-boost regulator with a flexible power sequencer and ultra-low…


MAX77680/MAX77681 3-Output SIMO Buck-Boost Regulator Datasheet - cover page
Brand
Maxim Integrated
Category
Other Electronics
Document type
Datasheet
Language
English
Pages
41
File format
PDF
File size
1.9 MB
Published
17 October, 2026
Updated
17 October, 2026
MD5 checksum
BC7BA59F6F2CB6EF290A0581A1DFFF4C

About this manual

The MAX77680/MAX77681 is a 3-channel single-inductor multiple-output (SIMO) buck-boost regulator designed for low-power applications such as wearables and IoT gadgets. It regulates three independent rails using only 3μA of quiescent current and operates on an input supply between 2.7V and 5.5V. The device features a flexible power sequencer to control the power-up and power-down order of each output and includes a glitchless transition between buck and boost operation.

What's inside

  • General Description
  • Applications
  • Benefits and Features
  • Absolute Maximum Ratings
  • Electrical Characteristics
  • Detailed Description - Top Level
  • Detailed Description—SIMO Buck-Boost
  • PCB Layout
  • Ordering Information
  • Revision History

Specifications

Operating Voltage Range2.7V to 5.5V
Output Voltage Range0.8V to 5.25V
Quiescent Current3μA
Shutdown Current300nA
Package Type30-bump wafer-level package (WLP)
Operating Temperature Range-40°C to +85°C

Frequently asked questions

What is the quiescent current of the MAX77680/MAX77681?

The device uses only 3μA of quiescent current when regulating three independent rails.

What applications is this regulator designed for?

It is designed for hearables, wearables, action cameras, and low-power IoT gadgets.

Does the device support glitchless operation?

Yes, each output is a buck-boost with glitchless transition between buck and boost operation.

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