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LMR16030

ACTIVE

SIMPLE SWITCHER 60V, 3A Step-Down Converter with 40uA Iq

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Data sheet

A newer version of this product is available

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This product continues to be available for existing customers. New designs should consider an alternate product.
Same functionality with different pin-out to the compared device
LM76003 ACTIVE 3.5V to 60V, 3.5A Synchronous Step-Down Voltage Converter Smaller footprint, lower EMI and higher efficiency.

LMR16030

ACTIVE
Data sheet Order now

Product details

Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 3 Vin (min) (V) 4.3 Vin (max) (V) 60 Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 2500 Features Enable, Frequency synchronization, Light Load Efficiency, Over Current Protection, Power good, Pre-Bias Start-Up, Tracking, UVLO adjustable Control mode current mode Vout (min) (V) 1 Vout (max) (V) 50 Iq (typ) (µA) 40 Duty cycle (max) (%) 98
Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 3 Vin (min) (V) 4.3 Vin (max) (V) 60 Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 2500 Features Enable, Frequency synchronization, Light Load Efficiency, Over Current Protection, Power good, Pre-Bias Start-Up, Tracking, UVLO adjustable Control mode current mode Vout (min) (V) 1 Vout (max) (V) 50 Iq (typ) (µA) 40 Duty cycle (max) (%) 98
HSOIC (DDA) 8 29.4 mm² 4.9 x 6
  • New product available: LM76003 60-V, 3.5-A, 2.2-MHz synchronous converter
  • 4.3-V to 60-V input range
  • 3-A continuous output current
  • Ultra-low 40-µA operating quiescent current
  • 155-mΩ high-side MOSFET
  • Current mode control
  • Adjustable switching frequency from 200 kHz to 2.5 MHz
  • Frequency synchronization to external clock
  • Internal compensation for ease of use
  • High duty cycle operation supported
  • Precision enable input
  • 1-µA shutdown current
  • Thermal, overvoltage and short protection
  • 8-pin HSOIC with PowerPAD™ package
  • Create a custom design using the LM76003 with the WEBENCH® Power Designer
  • Create a custom design using the LM16030 with the WEBENCH® Power Designer
  • New product available: LM76003 60-V, 3.5-A, 2.2-MHz synchronous converter
  • 4.3-V to 60-V input range
  • 3-A continuous output current
  • Ultra-low 40-µA operating quiescent current
  • 155-mΩ high-side MOSFET
  • Current mode control
  • Adjustable switching frequency from 200 kHz to 2.5 MHz
  • Frequency synchronization to external clock
  • Internal compensation for ease of use
  • High duty cycle operation supported
  • Precision enable input
  • 1-µA shutdown current
  • Thermal, overvoltage and short protection
  • 8-pin HSOIC with PowerPAD™ package
  • Create a custom design using the LM76003 with the WEBENCH® Power Designer
  • Create a custom design using the LM16030 with the WEBENCH® Power Designer

The LMR16030 is a 60-V, 3-A SIMPLE SWITCHER step-down regulator with an integrated high-side MOSFET. With a wide input range from 4.3 V to 60 V, it is suitable for various applications from industrial to automotive for power conditioning from unregulated sources. The quiescent current of the regulator is 40 µA in sleep mode, which is suitable for battery-powered systems. An ultra-low 1-µA current in shutdown mode can further prolong battery life. A wide adjustable switching frequency range allows either efficiency or external component size to be optimized. Internal loop compensation means that the user is free from the tedious task of loop compensation design. This also minimizes the external components of the device. A precision enable input allows simplification of regulator control and system power sequencing. The device also has built-in protection features such as cycle-by-cycle current limit, thermal sensing and shutdown due to excessive power dissipation, and output overvoltage protection.

The LMR16030 is available in an 8-pin HSOIC package with exposed pad for low thermal resistance.

The new product, LM76003, requires very few external components and has a pinout designed for simple, optimum PCB layout for EMI and thermal performance. See the device comparison table to compare specs.

The LMR16030 is a 60-V, 3-A SIMPLE SWITCHER step-down regulator with an integrated high-side MOSFET. With a wide input range from 4.3 V to 60 V, it is suitable for various applications from industrial to automotive for power conditioning from unregulated sources. The quiescent current of the regulator is 40 µA in sleep mode, which is suitable for battery-powered systems. An ultra-low 1-µA current in shutdown mode can further prolong battery life. A wide adjustable switching frequency range allows either efficiency or external component size to be optimized. Internal loop compensation means that the user is free from the tedious task of loop compensation design. This also minimizes the external components of the device. A precision enable input allows simplification of regulator control and system power sequencing. The device also has built-in protection features such as cycle-by-cycle current limit, thermal sensing and shutdown due to excessive power dissipation, and output overvoltage protection.

The LMR16030 is available in an 8-pin HSOIC package with exposed pad for low thermal resistance.

The new product, LM76003, requires very few external components and has a pinout designed for simple, optimum PCB layout for EMI and thermal performance. See the device comparison table to compare specs.
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Technical documentation

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Type Title Date
* Data sheet LMR16030 SIMPLE SWITCHER® 60-V, 3-A Step-Down Converter With 40-µA IQ datasheet (Rev. B) PDF | HTML 11 Mar 2021
Technical article DC/DC converter datasheets- current limit - part two PDF | HTML 05 Sep 2016
Technical article DC/DC converter datasheets: current limit - part one PDF | HTML 29 Aug 2016
Application note Simple Success with Conducted EMI and Radiated EMI for LMR160X0 17 May 2016
EVM User's guide LMR16030PEVM User's Guide 12 Oct 2015

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

LMR16030PEVM — LMR16030 Wide Vin Step-Down Converter Evaluation Module

The LMR16030PEVM is a fully assembled and tested circuit for evaluating the LMR16030PDDAR Step-Down Converter. The LMR16030PEVM operates from 7V to 60V input (24V nominal) and provides a 5.0V output at 3A. The board has jumper connectors to enable or disable the converter operation and synchronize (...)
User guide: PDF
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Simulation model

LMR16030P Non-Inverting and Inverting PSpice Transient Model

SNVMAR3.ZIP (956 KB) - PSpice Model
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Simulation model

LMR16030P Non-Inverting and Inverting Unencrypted PSpice Transient Model

SNVMAR4.ZIP (6 KB) - PSpice Model
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Simulation model

LMR16030S Non-Inverting and Inverting PSpice Transient Model

SNVMAR0.ZIP (220 KB) - PSpice Model
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Simulation model

LMR16030S Non-Inverting and Inverting Unencrypted PSpice Transient Model

SNVMAQ9.ZIP (6 KB) - PSpice Model
Download
Reference designs

PMP15013 — CISPR-22 EMI-Optimized Reference Design Featuring the LMR16030 DC/DC Buck Converter

The PMP15013 reference design is a 5V/3A output power supply using the LMR16030 DC/DC buck regulator. This design uses a 4-layer board and is intended for industrial applications with a 24V input bus. LMR16030 is a 4.5V to 60V input, 3A output capable, and 200 kHz to 2.5MHz non-synchronous buck (...)
Test report: PDF
Schematic: PDF
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HSOIC (DDA) 8 Ultra Librarian
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