MAX16904
PRODUCTION2.1MHz, High-Voltage, 600mA Mini-Buck Converter
600mA Automotive Buck Converter Integrates High-Side and Low-Side FETs and Uses Only 25µA Quiescent Current
- Part Models
- 30
- 1ku List Price
- Starting From $5.39
Overview
- 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
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
Documentation
Data Sheet 1
Design Note 1
Technical Articles 1
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.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| MAX16904RATB50+ | Thin Dual Flatpack No Leads, Exposed Pad | ||
| MAX16904RATB50+T | Thin Dual Flatpack No Leads, Exposed Pad | ||
| MAX16904RATB50/V+ | Thin Dual Flatpack No Leads, Exposed Pad | ||
| MAX16904RATB50/V+T | Thin Dual Flatpack No Leads, Exposed Pad | ||
| MAX16904RAUE33/V+ | TSSOP_4.4 / TSSOP_6.1 | ||
| MAX16904RAUE33/V+T | TSSOP_4.4 / TSSOP_6.1 | ||
| MAX16904RAUE50+ | TSSOP_4.4 / TSSOP_6.1 | ||
| MAX16904SATB33/V+ | LFCSP | ||
| MAX16904SATB33/V+T | LFCSP | ||
| MAX16904SATB50+ | Thin Dual Flatpack No Leads, Exposed Pad | ||
| MAX16904SATB50+T | Thin Dual Flatpack No Leads, Exposed Pad | ||
| MAX16904SATB50/V+ | Thin Dual Flatpack No Leads, Exposed Pad | ||
| MAX16904SATB50/V+T | Thin Dual Flatpack No Leads, Exposed Pad | ||
| MAX16904SATB51/V+ | LFCSP | ||
| MAX16904SATB51/V+T | LFCSP | ||
| MAX16904SATB52/V+ | LFCSP | ||
| MAX16904SATB52/V+T | LFCSP | ||
| MAX16904SATB55/V+ | LFCSP | ||
| MAX16904SATB55/V+T | LFCSP | ||
| MAX16904SATB60/V+ | LFCSP | ||
| MAX16904SATB60/V+T | LFCSP | ||
| MAX16904SATB80/V+ | LFCSP | ||
| MAX16904SATB80/V+T | LFCSP | ||
| MAX16904SAUE33+ | TSSOP_4.4 / TSSOP_6.1 | ||
| MAX16904SAUE33/V+ | TSSOP_4.4 / TSSOP_6.1 | ||
| MAX16904SAUE33/V+T | TSSOP_4.4 / TSSOP_6.1 | ||
| MAX16904SAUE50+ | TSSOP_4.4 / TSSOP_6.1 | ||
| MAX16904SAUE50+T | TSSOP_4.4 / TSSOP_6.1 | ||
| MAX16904SAUE50/V+ | TSSOP_4.4 / TSSOP_6.1 | ||
| MAX16904SAUE50/V+T | TSSOP_4.4 / TSSOP_6.1 |
| Part Models | Product Lifecycle | PCN |
|---|---|---|
|
Apr 20, 2026 - 2571D PIN/ERRATA |
||
| MAX16904RATB50+ | PRODUCTION | |
| MAX16904RATB50+T | PRODUCTION | |
|
Aug 2, 2025 - 2505 PIN/ERRATA |
||
| MAX16904RATB50+ | PRODUCTION | |
| MAX16904RATB50/V+ | PRODUCTION | |
| MAX16904SATB33/V+ | PRODUCTION | |
| MAX16904SATB50+ | PRODUCTION | |
| MAX16904SATB50/V+ | PRODUCTION | |
| MAX16904SATB51/V+ | PRODUCTION | |
| MAX16904SATB52/V+ | PRODUCTION | |
| MAX16904SATB55/V+ | PRODUCTION | |
| MAX16904SATB60/V+ | PRODUCTION | |
| MAX16904SATB80/V+ | PRODUCTION | |
|
Sep 22, 2017 - 1681A WAFER FAB |
||
| MAX16904RATB50+ | PRODUCTION | |
| MAX16904RATB50+T | PRODUCTION | |
| MAX16904RATB50/V+ | PRODUCTION | |
| MAX16904RATB50/V+T | PRODUCTION | |
| MAX16904RAUE33/V+ | PRODUCTION | |
| MAX16904SATB33/V+ | PRODUCTION | |
| MAX16904SATB33/V+T | PRODUCTION | |
| MAX16904SATB50+ | PRODUCTION | |
| MAX16904SATB50/V+ | PRODUCTION | |
| MAX16904SATB50/V+T | PRODUCTION | |
| MAX16904SATB51/V+ | PRODUCTION | |
| MAX16904SATB51/V+T | PRODUCTION | |
| MAX16904SATB52/V+ | PRODUCTION | |
| MAX16904SATB52/V+T | PRODUCTION | |
| MAX16904SATB55/V+T | PRODUCTION | |
| MAX16904SATB60/V+ | PRODUCTION | |
| MAX16904SATB60/V+T | PRODUCTION | |
| MAX16904SATB80/V+ | PRODUCTION | |
| MAX16904SATB80/V+T | PRODUCTION | |
| MAX16904SAUE33/V+ | PRODUCTION | |
| MAX16904SAUE50+T | PRODUCTION | |
| MAX16904SAUE50/V+ | PRODUCTION | |
| MAX16904SAUE50/V+T | PRODUCTION | |
|
Jun 20, 2016 - 1612 ASSEMBLY |
||
| MAX16904RATB50+ | PRODUCTION | |
| MAX16904RATB50+T | PRODUCTION | |
|
Jun 18, 2021 - 2161 ASSEMBLY |
||
| MAX16904RATB50/V+ | PRODUCTION | |
| MAX16904RATB50/V+T | PRODUCTION | |
| MAX16904SATB33/V+ | PRODUCTION | |
| MAX16904SATB33/V+T | PRODUCTION | |
| MAX16904SATB50/V+ | PRODUCTION | |
| MAX16904SATB50/V+T | PRODUCTION | |
| MAX16904SATB51/V+ | PRODUCTION | |
| MAX16904SATB51/V+T | PRODUCTION | |
| MAX16904SATB52/V+ | PRODUCTION | |
| MAX16904SATB52/V+T | PRODUCTION | |
| MAX16904SATB55/V+ | PRODUCTION | |
| MAX16904SATB55/V+T | PRODUCTION | |
| MAX16904SATB60/V+ | PRODUCTION | |
| MAX16904SATB60/V+T | PRODUCTION | |
| MAX16904SATB80/V+ | PRODUCTION | |
| MAX16904SATB80/V+T | PRODUCTION | |
|
May 11, 2022 - 2236N ASSEMBLY |
||
| MAX16904RAUE33/V+ | PRODUCTION | |
| MAX16904RAUE33/V+T | PRODUCTION | |
| MAX16904RAUE50+ | ||
| MAX16904SAUE33/V+ | PRODUCTION | |
|
Jan 17, 2018 - 1721E ASSEMBLY |
||
| MAX16904RAUE33/V+ | PRODUCTION | |
| MAX16904SAUE33/V+ | PRODUCTION | |
| MAX16904SAUE50/V+ | PRODUCTION | |
| MAX16904SAUE50/V+T | PRODUCTION | |
|
Feb 11, 2025 - 2455B ASSEMBLY |
||
| MAX16904SATB33/V+ | PRODUCTION | |
| MAX16904SATB33/V+T | PRODUCTION | |
| MAX16904SATB51/V+ | PRODUCTION | |
| MAX16904SATB51/V+T | PRODUCTION | |
| MAX16904SATB52/V+ | PRODUCTION | |
| MAX16904SATB52/V+T | PRODUCTION | |
| MAX16904SATB55/V+ | PRODUCTION | |
| MAX16904SATB55/V+T | PRODUCTION | |
| MAX16904SATB60/V+ | PRODUCTION | |
| MAX16904SATB60/V+T | PRODUCTION | |
| MAX16904SATB80/V+ | PRODUCTION | |
| MAX16904SATB80/V+T | PRODUCTION | |
|
Jul 13, 2022 - 2236A ASSEMBLY |
||
| MAX16904SAUE50+ | PRODUCTION | |
| MAX16904SAUE50+T | PRODUCTION | |
| MAX16904SAUE50/V+ | PRODUCTION | |
| MAX16904SAUE50/V+T | PRODUCTION | |
|
Apr 20, 2026 - 2571B PIN/ERRATA |
||
| MAX16904SAUE50+T | PRODUCTION | |
This is the most up-to-date revision of the Data Sheet.
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Evaluation Kit for the MAX16904
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