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LMR23610-Q1

ACTIVE

Automotive Qualified SIMPLE SWITCHER, 4V to 36V, 1A Synchronous Step-Down Converter

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Data sheet

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LMR43610-Q1 ACTIVE Automotive 3-V to 36-V, 1-A, low-EMI synchronous buck regulator with low IQ Smaller footprint, higher efficiency, lower EMI, lower IQ and spread-spectrum
LMR50410-Q1 ACTIVE Automotive qualified SIMPLE SWITCHER 4-V to 36-V, 1-A synchronous step-down converter SOT23 packaging, FPWM and PFM option.

LMR23610-Q1

ACTIVE
Data sheet Order now

Product details

Rating Automotive Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 1 Vin (min) (V) 4 Vin (max) (V) 36 Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 2200 Features Enable, Frequency synchronization, Light Load Efficiency, Over Current Protection, Pre-Bias Start-Up, Soft Start Fixed, Synchronous Rectification Control mode current mode Vout (min) (V) 1 Vout (max) (V) 34 Iq (typ) (µA) 75 Duty cycle (max) (%) 99
Rating Automotive Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 1 Vin (min) (V) 4 Vin (max) (V) 36 Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 2200 Features Enable, Frequency synchronization, Light Load Efficiency, Over Current Protection, Pre-Bias Start-Up, Soft Start Fixed, Synchronous Rectification Control mode current mode Vout (min) (V) 1 Vout (max) (V) 34 Iq (typ) (µA) 75 Duty cycle (max) (%) 99
HSOIC (DDA) 8 29.4 mm² 4.9 x 6
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    - Device Temperature Grade 1: -40 °C to 125 °C Ambient Operating Temperature Range
    - Device HBM ESD Classification Level H1C
    - Device CDM ESD Classification Level C4A
  • 4 V to 36 V Input Range
  • 1 A Continuous Output Current
  • Integrated Synchronous Rectification
  • Current Mode Control
  • Minimum Switch-On Time: 60 ns
  • Internal Compensation for Ease of Use
  • 400 kHz Switching Frequency With PFM Mode
  • Frequency Synchronization to External Clock
  • 75 µA Quiescent Current at No Load
  • Soft-Start into a Pre-Biased Load
  • High Duty Cycle Operation Supported
  • Output Short-Circuit Protection with Hiccup Mode
  • 8-Pin HSOIC with PowerPAD™ Package Options
  • Create a Custom Design Using the LMR23610-Q1 With the WEBENCH® Power Designer
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    - Device Temperature Grade 1: -40 °C to 125 °C Ambient Operating Temperature Range
    - Device HBM ESD Classification Level H1C
    - Device CDM ESD Classification Level C4A
  • 4 V to 36 V Input Range
  • 1 A Continuous Output Current
  • Integrated Synchronous Rectification
  • Current Mode Control
  • Minimum Switch-On Time: 60 ns
  • Internal Compensation for Ease of Use
  • 400 kHz Switching Frequency With PFM Mode
  • Frequency Synchronization to External Clock
  • 75 µA Quiescent Current at No Load
  • Soft-Start into a Pre-Biased Load
  • High Duty Cycle Operation Supported
  • Output Short-Circuit Protection with Hiccup Mode
  • 8-Pin HSOIC with PowerPAD™ Package Options
  • Create a Custom Design Using the LMR23610-Q1 With the WEBENCH® Power Designer

The LMR23610-Q1 SIMPLE SWITCHER® is an easy to use 36 V, 1 A synchronous step down regulator. With a wide input range from 4 V to 36 V, it is suitable for various applications from industrial to automotive for power conditioning from unregulated sources. Peak current mode control is employed to achieve simple control loop compensation and cycle-by-cycle current limiting. A quiescent current of 75 µA makes it suitable for battery powered systems. Internal loop compensation means that the user is free from the tedious task of loop compensation design. This also minimizes the external components. An extended family is available in 1.5 A (LMR23615-Q1), 2.5 A (LMR23625-Q1) and 3 A (LMR23630-Q1) load current options in pin-to-pin compatible packages which allows simple, optimum PCB layout. A precision enable input allows simplification of regulator control and system power sequencing. Protection features include cycle-by-cycle current limit, hiccup mode short circuit protection and thermal shutdown due to excessive power dissipation.

The LMR23610-Q1 SIMPLE SWITCHER® is an easy to use 36 V, 1 A synchronous step down regulator. With a wide input range from 4 V to 36 V, it is suitable for various applications from industrial to automotive for power conditioning from unregulated sources. Peak current mode control is employed to achieve simple control loop compensation and cycle-by-cycle current limiting. A quiescent current of 75 µA makes it suitable for battery powered systems. Internal loop compensation means that the user is free from the tedious task of loop compensation design. This also minimizes the external components. An extended family is available in 1.5 A (LMR23615-Q1), 2.5 A (LMR23625-Q1) and 3 A (LMR23630-Q1) load current options in pin-to-pin compatible packages which allows simple, optimum PCB layout. A precision enable input allows simplification of regulator control and system power sequencing. Protection features include cycle-by-cycle current limit, hiccup mode short circuit protection and thermal shutdown due to excessive power dissipation.
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Technical documentation

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Type Title Date
* Data sheet LMR23610-Q1 SIMPLE SWITCHER® 36 V, 1 A Synchronous Step-Down Converter datasheet (Rev. A) PDF | HTML 04 Apr 2017
Selection guide Automotive Infotainment EE Buck Converter/Controller Selection Guide (Rev. B) 15 Apr 2021
EVM User's guide LMR23610A-Q1 EVM User's Guide 08 Nov 2016

Design & development

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

Simulation model

LMR23610A Non-Inverting and Inverting PSpice Transient Model

SNVMAT7.ZIP (165 KB) - PSpice Model
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Simulation model

LMR23610A Unencrypted Non-Inverting and Inverting PSpice Transient Model

SNVMAT6.ZIP (6 KB) - PSpice Model
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Reference designs

TIDA-020019 — Automotive isolated CAN and power front end reference design

This reference design demonstrates reinforced isolated CAN communication, which is widely used in automotive environments, in a small footprint. In hybrid and electric vehicles (HEV/EVs), a high-voltage network is floating with respect to the chassis ground. Isolation is required for the power and (...)
Design guide: PDF
Schematic: PDF
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HSOIC (DDA) 8 Ultra Librarian
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