MAX15157D

PRODUCTION

60V Current-Mode Buck Controller with Lossless Current Sense

Achieve High-Voltage KW Designs with Highest Efficiency and Density with Industry's First HV-Coupled Buck

Data Sheet (Rev. 1)

Product Selection Table

Part Models: 2
1ku List Price: Starting From $6.23

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Part Details

Wide Operating Range Reduces Development Time

8V to 60V Input Voltage Range
3V to 0.95 × V_IN Output Voltage Range
60kHz to 1MHz Switching Frequency Range
Interleaved 1/2/3/4/6/8-Phase Operation
-40°C to +125°C Temperature Range

Integration Reduces Design Footprint

Internal LDO for Bias Supply Generation
Synchronization Input
Current Monitor Output
Internal 2V Precision Reference
2Ω Pullup and 0.6Ω Pulldown Fast Power FET Drivers
Accurate MOSFET Dead Time Adaptive Control

Robust Fault Protection Improves Quality and Simplifies System Design

Adjustable Input Undervoltage Lockout
Adjustable Input EN
Adjustable Cycle-by-Cycle OvercurrentProtection
Input Undervoltage Fault Protection
Multiple Levels of Overvoltage Protection
Thermal Shutdown

Flexible, Simple System Design

Adjustable Slope Compensation
Discrete Inductor or Compact Coupled Inductor Architecture
Lossless R_DSON or Resistor Current Sensing

Small 5mm × 5mm, 32-Pin TQFN, 0.5mm Pitch

Part Models: 2
1ku List Price: Starting From $6.23

Documentation

Data Sheet 1

MAX15157D: 60V Current-Mode Buck Controller with Lossless Current Sense Data Sheet (Rev.1) 02/17/2021
- Open Interactive Page

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
MAX15157DATJ+	32-LFCSP-5X5X0.75	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX15157DATJ+T	32-LFCSP-5X5X0.75	Material Declaration Reliablity Data	Ultra Librarian SamacSys

This is the most up-to-date revision of the Data Sheet.

Evaluation Kits

Evaluation Kit for the MAX15157D

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Features and Benefits

40V to 60V Input Voltage Range (Configurable from 8V to 60V)
12V Output Voltage (Configurable from 3V to 0.95 × V_IN)
Adjustable Slope Compensation Ramp
Multiphase Operation up to 8 Phases
Adjustable 60kHz to 1MHz Switching Frequency
External Switching Frequency Clock Synchronization
External REFIN Input for Output Adjustment
Hiccup Fault Protection for Overcurrent and Thermal Shutdown
PGOOD Output (Power-Good Output)
Adjustable Input UVLO and Output OVP Voltage
Adjustable Soft-Start
Monotonic Startup into Prebiased Output

Product Details

The MAX15157D evaluation kit (EV kit) is a fully assembled and tested circuit board that contains all of the components necessary to evaluate the performance of the MAX15157D high-efficiency step-down regulator. The EV kit is powered from a 40V to 60V DC supply. It is capable of delivering 12V/20A output at a 150kHz switching frequency. Refer to the MAX15157D data sheet to set the switching frequency and input/output voltage ranges for the EV kit.

Applications

Automotive
Datacenter
Industrial
Multiphase Buck

Resources

MAX15157DEVKIT ODB Files - Design Files
1.36 M

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