MAX17532

PRODUCTION

42V, 100mA, Ultra-Small, High-Efficiency, Synchronous Step-Down DC-DC Converter with 22µA No-Load Supply Current

42V, Low IQ Synchronous Buck Regulator Enables High Efficiency

Data Sheet (Rev. 2) Product Selection Table
Part Models
4
1ku List Price
Starting From $1.31
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Part Details

  • Reduces External Components and Total Cost
    • No Schottky–Synchronous
    • Internal Compensation for Any Output Voltage
    • Built-In Soft-Start
    • All-Ceramic Capacitors, Compact Layout
  • Reduces Number of DC-DC Regulators to Stock
    • Wide 4V to 42V Input
    • Adjustable 0.8V to 0.9 x VIN Output
    • 100kHz to 2.2MHz Adjustable Switching Frequency with External Synchronization
  • Reduces Power Dissipation
    • 22µA Quiescent Current
    • Peak Efficiency > 90%
    • PFM Enables Enhanced Light-Load Efficiency
    • 1.2µA Shutdown Current
  • Operates Reliably in Adverse Environments
    • Peak Current Limit Protection
    • Built-In Output Voltage Monitoring Active-Low RESET
    • Programmable EN/UVLO Threshold
    • Monotonic Startup Into Prebiased Load
    • Overtemperature Protection
    • -High Industrial -40°C to +125°C Ambient Operating Temperature Range / -40°C to +150° C Junction Temperature Range
MAX17532
42V, 100mA, Ultra-Small, High-Efficiency, Synchronous Step-Down DC-DC Converter with 22µA No-Load Supply Current
MAX17532: Block Diagram
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 2

Technical Articles 2

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Hardware Ecosystem

Parts Product Life Cycle Description
Internal Power Switch Buck Regulators 1
MAX17552
PRODUCTION 60V, 100mA, Ultra-Small, High-Efficiency, Synchronous Step-Down DC-DC Converter with 22μA No-Load Supply Current
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Tools & Simulations

EE-Sim Power® Tools 1

The EE-Sim DC-DC Converter Tool uses your requirements to quickly create a complete power design including a schematic, BOM with commercially available parts, and time and frequency domain simulations. Your customized schematic can be downloaded for further analysis in the standalone EE-Sim OASIS Simulator, featuring SIMPLIS and SIMetrix SPICE engines.

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SIMPLIS Models 1

Evaluation Kits

MAX17532ATBEVKIT

Evaluation Kit for MAX17532

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Features and Benefits

  • 6V to 42V Input Voltage Range
  • 5V Output, 100mA Continuous Current
  • 26µA No-Load Supply Current
  • EN/UVLO for On/Off Control and Programmable Input Undervoltage Lockout
  • Programmable Switching Frequency
  • Internal or Programmable Soft-Start
  • PFM or Forced-PWM Mode of Operation
  • Open-Drain Active-Low RESET Output
  • Peak Current Limit Protection
  • Thermal Shutdown
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX17532 5V evaluation kit (EV kit) (TDFN) is a fully assembled and tested circuit board that demonstrates the performance of the MAX17532 42V, 100mA ultra-small, high-efficiency, synchronous step-down DC-DC converter in a 10-pin TDFN package. The EV kit operates over a wide input-voltage range of 6V to 42V and provides up to 100mA load current at 5V output. It draws only 26µA supply current under no-load conditions (EN/UVLO connected to VIN). The EV kit is programmed to switch at a frequency of 220kHz. The device is simple to use and easily configurable with minimal external components. It features cycle-by-cycle peak current limit protection, undervoltage lockout, and thermal shutdown.

The EV kit comes installed with the MAX17532ATB+ in an 10-pin (3mm x 2mm) lead(Pb)-free/RoHS-compliant TDFN package.

Applications

  • Battery Powered Equipment
  • High Voltage LDO replacement
  • HVAC and Building Control
  • Industrial Sensors and Process Control

MAXM17532EVKIT

Evaluation Kit for the MAXM17532 in 5V Output-Voltage Application

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Features and Benefits

  • Wide 10V to 42V Input
  • ±1.75% Feedback Voltage Accuracy
  • Output: 5V,100mA
  • Internally Compensated
  • All Ceramic Capacitors and Ultra-Compact Solution
  • PFM or Forced-PWM Mode of Operation
  • Shutdown Current as Low as 1.2µA (typ)
  • Programmable Soft-Start and Prebias Startup
  • Open-Drain Power Good Output (Active-Low RESET pin)
  • Programmable EN/UVLO Threshold
  • Hiccup Overcurrent Protection (OCP)
  • Overtemperature Protection (OTP)
  • Complies with CISPR22 (EN55022) Class B Conducted and Radiated Emissions
  • Passes Drop, Shock, and Vibration Standards– JESD22-B103, B104, B111
  • -40°C to +125°C Industrial/Automotive Temperature Range

Product Details

The MAXM17532 evaluation kit (EV kit) is a demonstration circuit of the MAXM17532 42V,100mA ultra-small, high efficiency, current mode, synchronous step-down DC-DC switching power module. The EV kit operates over a wide input-voltage of 10V to 42V and provides up to 100mA load current with a 5V output voltage. The EV kit is programmed to switch at a frequency of 600kHz. The module is simple to use and easily configurable with minimal external components. It features cycle-bycycle peak current-limit protection, undervoltage lockout (EN/UVLO), and thermal shutdown.

The EV kit comes with the compact 10-pin 2.6mm x 3mm x 1.5mm µSLIC™ package MAXM17532 module installed, and is rated to operate over the full industrial/ automotive -40°C to +125°C temperature range.

Applications

  • 4mA–20mA Current-Loop Powered Sensors
  • High-Voltage LDO Replacement
  • HVAC and Building Control
  • Industrial Sensors
  • Motor Encoder

MAX17532AUBEVKIT

Evaluation Kit for MAX17532

Buy Now View Details

Features and Benefits

  • 6V to 42V Input Voltage Range
  • 5V Output, 100mA Continuous Current
  • 26µA No-Load Supply Current
  • EN/UVLO for On/Off Control and Programmable Input Undervoltage Lockout
  • Programmable Switching Frequency
  • Internal or Programmable Soft-Start
  • PFM or Forced-PWM Mode of Operation
  • Acitve-Low RESET Output
  • Peak Current-Limit Protection
  • Thermal Shutdown
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX17532 5V evaluation kit (EV kit) (µMAX®) is a fully assembled and tested circuit board that demonstrates the performance of the MAX17532 42V, 100mA ultra- small, high-efficiency, synchronous step-down DC-DC converter in a 10-pin µMAX package. The EV kit operates over a wide input voltage range of 6V to 42V and provides up to 100mA load current at 5V output. It draws only 26µA supply current under no-load conditions (EN/UVLO connected to VIN). The EV kit is programmed to switch at a frequency of 220kHz. The device is simple to use and easily configurable with minimal external components. It features cycle-by-cycle peak current-limit protection, undervoltage lockout and thermal shutdown.

The EV kit comes installed with the MAX17532AUB+ in an 10-pin (3mm x 3mm), lead(Pb)-free/RoHS-compliant µMAX package.

Applications

  • Battery Powered Equipment
  • High Voltage LDO replacement
  • HVAC and Building Control
  • Industrial Sensors and Process Control
MAX17532ATBEVKIT
Evaluation Kit for MAX17532
MAXM17532EVKIT
Evaluation Kit for the MAXM17532 in 5V Output-Voltage Application
MAX17532AUBEVKIT
Evaluation Kit for MAX17532

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