MAX16904
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MAX16904

2.1MHz, High-Voltage, 600mA Mini-Buck Converter

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600mA Automotive Buck Converter Integrates High-Side and Low-Side FETs and Uses Only 25µA Quiescent Current

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SIMPLIS Models MAX16904 SIMPLIS Schematic Download 406.84KB
Part Models 32
1ku List Price Starting From $4.26
Features
  • Wide +3.5V to +28V Input Voltage Range
  • Tolerates Input Voltage Transients to +42V
  • 600mA Minimum Output Current with Overcurrent Protection
  • Fixed Output Voltages (See the Selector Guide in the full data sheet and Contact Factory for All Available Trimmed Output Voltage Options)
  • 2.1MHz Switching Frequency with Three Modes of Operation
    • 25µA Ultra-Low Quiescent Current SKIP Mode
    • Forced Fixed-Frequency Operation
    • External Frequency Synchronization
  • Optional Spread-Spectrum Frequency Modulation
  • Power-Good Output
  • Enable-Pin Compatible from +3.3V Logic Level to +42V
  • Thermal Shutdown Protection
  • -40°C to +125°C Automotive Temperature Range
  • 10-Pin TDFN-EP or 16-Pin TSSOP-EP Packages
  • AEC-Q100 Qualified
Additional Details
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The MAX16904 is a small, synchronous buck converter with integrated high-side and low-side switches. The device is designed to deliver 600mA with input voltages from +3.5V to +28V while using only 25µA quiescent current at no load. Voltage quality can be monitored by observing the PGOOD signal. The MAX16904 can operate in dropout by running at 97% duty cycle, making it ideal for automotive and industrial applications.

The MAX16904 operates at a 2.1MHz frequency, allowing for small external components and reduced output ripple. It guarantees no AM band interference. SYNC input programmability enables three frequency modes for optimized performance: forced fixed-frequency operation, SKIP mode (ultra-low quiescent current of 25µA), and synchronization to an external clock. The MAX16904 can be ordered with spread-spectrum frequency modulation, designed to minimize EMI-radiated emissions due to the modulation frequency.

The MAX16904 is available in a thermally enhanced, 3mm x 3mm, 10-pin TDFN package or a 16-pin TSSOP package. The MAX16904 operates over the -40°C to +125°C automotive temperature range.

Applications

  • Automotive
  • High-Voltage Input-Power DC-DC Applications
  • Industrial
  • Military
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file View Data Sheet (Rev.15)
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SIMPLIS Models MAX16904 SIMPLIS Schematic Download 406.84KB
Part Models 32
1ku List Price Starting From $4.26
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MAX16904

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Data Sheet

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UPDATED 01/03/2019
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MAX16904: 2.1MHz, High-Voltage, 600mA Mini-Buck Converter Data Sheet (Rev.15)

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Reliability Data

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UPDATED 01/12/2023
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Design Note

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UPDATED 01/24/2012
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Layout Guidelines Maximize Automotive Power-Supply Performance and Minimize Emissions redirect icon

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UPDATED 11/21/2012
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布线指南：提高汽车电源性能、降低电磁辐射 redirect icon

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UPDATED 03/27/2012
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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.

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MAX16904RATB50+ Thin Dual Flatpack No Leads, Exposed Pad external-link
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MAX16904RAUE33/V+ 16-TSSOP_4.4_EP-4.4_MM external-link
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MAX16904SATB50+ Thin Dual Flatpack No Leads, Exposed Pad external-link
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MAX16904SATB55/V+ Thin Dual Flatpack No Leads, Exposed Pad external-link
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MAX16904SATB60/V+ Thin Dual Flatpack No Leads, Exposed Pad external-link
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MAX16904SATB80/V+ Thin Dual Flatpack No Leads, Exposed Pad external-link
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MAX16904SAUE33+ 16-TSSOP_4.4_EP-4.4_MM external-link
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Sep 22, 2017

- 1681A

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MAX16904RATB50+

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MAX16904RATB50+T

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MAX16904RATB50/V+

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MAX16904RATB50/V+T

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MAX16904RAUE33/V+

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MAX16904SAUE33/V+

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MAX16904SAUE50+T

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MAX16904SAUE50/V+

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MAX16904SAUE50/V+T

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Jun 20, 2016

- 1612

ASSEMBLY

MAX16904RATB50+

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MAX16904RATB50+T

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pcn_1612

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Jun 18, 2021

- 2161

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MAX16904RATB50/V+

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MAX16904RATB50/V+T

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MAX16904SATB33/V+

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MAX16904SATB33/V+T

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MAX16904SATB55/V+T

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MAX16904SATB60/V+

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MAX16904SATB60/V+T

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MAX16904SATB80/V+

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MAX16904SATB80/V+T

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pcn_2161

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May 11, 2022

- 2236N

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MAX16904RAUE18/V+

LAST TIME BUY

MAX16904RAUE33/V+

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MAX16904RAUE33/V+T

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MAX16904RAUE50+

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MAX16904SAUE33/V+

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Jan 17, 2018

- 1721E

ASSEMBLY

MAX16904RAUE33/V+

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MAX16904SAUE33/V+

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MAX16904SAUE50/V+

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MAX16904SAUE50/V+T

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Jul 13, 2022

- 2236A

ASSEMBLY

MAX16904SAUE50+

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MAX16904SAUE50+T

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MAX16904SAUE50/V+

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MAX16904SAUE50/V+T

PRODUCTION

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Sep 22, 2017

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MAX16904SAUE50+T

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MAX16904SAUE50/V+

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MAX16904SAUE50/V+T

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Jun 20, 2016

- 1612

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MAX16904RATB50+

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Jun 18, 2021

- 2161

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MAX16904RATB50/V+

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MAX16904RATB50/V+T

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MAX16904SATB33/V+

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MAX16904SATB33/V+T

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MAX16904SATB80/V+

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MAX16904SATB80/V+T

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May 11, 2022

- 2236N

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MAX16904RAUE18/V+

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MAX16904RAUE33/V+

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MAX16904RAUE33/V+T

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MAX16904RAUE50+

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MAX16904SAUE33/V+

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Jan 17, 2018

- 1721E

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MAX16904RAUE33/V+

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MAX16904SAUE33/V+

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MAX16904SAUE50/V+

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MAX16904SAUE50/V+T

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Jul 13, 2022

- 2236A

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MAX16904SAUE50+

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MAX16904SAUE50+T

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MAX16904SAUE50/V+

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MAX16904SAUE50/V+T

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Software & Part Ecosystem

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Evaluation Kit

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MAX16904EVKIT

Evaluation Kit for the MAX16904

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MAX16904EVKIT

Evaluation Kit for the MAX16904

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MAX16904EVKIT
Evaluation Kit for the MAX16904

Features and Benefits

  • Up to +42V Input Supply Range
  • Delivers Up to 600mA Output Current
  • +5V Output
  • 2.1MHz Switching Frequency
  • Proven PCB Layout
  • Fully Assembled and Tested
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Product Detail

The MAX16904 evaluation kit (EV kit) provides a proven design to evaluate the MAX16904 2.1MHz high-voltage mini-buck converter in a 16-pin TSSOP package. All components are rated for the automotive temperature range. Various test points are included for evaluation.
The EV kit PCB comes with a MAX16904RAUE50/V+ installed. The EV kit outputs a fixed +5V. The fixed +3.3V output version can also be installed with minimal component changes. Contact the factory for free samples of the pin-compatible MAX16904SAUE50/V+, MAX16904SAUE33/V+, and MAX16904RAUE33/V+ to evaluate these devices.

Applications

  • Automotive
  • High-Voltage Input-Power DC-DC Applications
  • Industrial
  • Military

Evaluation Kits1

MAX16904EVKIT

Evaluation Kit for the MAX16904
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