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LMR36006-Q1

ACTIVE

4.2-V to 60-V, 0.6-A ultra-small synchronous step-down converter

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Data sheet

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LMR36506-Q1 ACTIVE 3-V to 65-V, 0.6-A buck converter optimized for size and light load efficiency Smaller package footprint, lower IQ, and frequency synchronization pin.

LMR36006-Q1

ACTIVE
Data sheet Order now

Product details

Rating Automotive Topology Buck Iout (max) (A) 0.6 Vin (max) (V) 60 Vin (min) (V) 4.2 Vout (max) (V) 57 Vout (min) (V) 1 Features Enable, Light Load Efficiency, Over Current Protection, Power good, Pre-Bias Start-Up, Spread Spectrum, Synchronous Rectification, Wettable flanks package EMI features Low parasitic Hotrod packaging, Spread Spectrum Control mode current mode Operating temperature range (°C) -40 to 150 Iq (typ) (A) 0.000023 Duty cycle (max) (%) 98 TI functional safety category Functional Safety-Capable
Rating Automotive Topology Buck Iout (max) (A) 0.6 Vin (max) (V) 60 Vin (min) (V) 4.2 Vout (max) (V) 57 Vout (min) (V) 1 Features Enable, Light Load Efficiency, Over Current Protection, Power good, Pre-Bias Start-Up, Spread Spectrum, Synchronous Rectification, Wettable flanks package EMI features Low parasitic Hotrod packaging, Spread Spectrum Control mode current mode Operating temperature range (°C) -40 to 150 Iq (typ) (A) 0.000023 Duty cycle (max) (%) 98 TI functional safety category Functional Safety-Capable
VQFN-HR (RNX) 12 6 mm² (3 mm × 2 mm)
  • AEC-Q100-qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • Functional Safety-Capable
  • Designed for automotive applications
    • Junction temperature range –40°C to +150°C
    • Protection features: thermal shutdown, input undervoltage lockout, cycle-by-cycle current limit, hiccup short-circuit protection
    • 0.2-V dropout with 0.6-A load (typical)
    • ±1.5% reference voltage tolerance
    • 3.3-V fixed-output voltage option available
  • Suited for scalable power supplies
  • Integration reduces solution size and cost
    • Small, 2-mm × 3-mm VQFN package with wettable flanks
    • Few external components
  • Low power dissipation across load spectrum
    • 94% efficiency at 400 kHz (12 VIN, 5 VOUT, 0.6 A)
    • Increased light load efficiency in PFM
    • Low operating quiescent current of 2 6 µA
  • Optimized for ultra low EMI requirements
    • Meets CISPR25 class 5 standard
    • HotRod™ package minimizes switch node ringing
    • Parallel input path minimizes parasitic inductance
    • Spread spectrum reduces peak emissions
  • Create a custom design using the LMR36006-Q1 with the WEBENCH Power Designer
  • AEC-Q100-qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • Functional Safety-Capable
  • Designed for automotive applications
    • Junction temperature range –40°C to +150°C
    • Protection features: thermal shutdown, input undervoltage lockout, cycle-by-cycle current limit, hiccup short-circuit protection
    • 0.2-V dropout with 0.6-A load (typical)
    • ±1.5% reference voltage tolerance
    • 3.3-V fixed-output voltage option available
  • Suited for scalable power supplies
  • Integration reduces solution size and cost
    • Small, 2-mm × 3-mm VQFN package with wettable flanks
    • Few external components
  • Low power dissipation across load spectrum
    • 94% efficiency at 400 kHz (12 VIN, 5 VOUT, 0.6 A)
    • Increased light load efficiency in PFM
    • Low operating quiescent current of 2 6 µA
  • Optimized for ultra low EMI requirements
    • Meets CISPR25 class 5 standard
    • HotRod™ package minimizes switch node ringing
    • Parallel input path minimizes parasitic inductance
    • Spread spectrum reduces peak emissions
  • Create a custom design using the LMR36006-Q1 with the WEBENCH Power Designer

The LMR36006-Q1 regulator is an easy-to-use, synchronous, step-down DC/DC converter. With integrated high-side and low-side power MOSFETs, up to 0.6 A of output current is delivered over a wide input voltage range of 4.2 V to 60 V. Tolerance goes up to 66 V.

The LMR36006-Q1 uses peak-current-mode control to provide optimal efficiency and output voltage accuracy. Advanced high speed circuitry allows the LMR36006-Q1 to regulate from an input of 20 V to an output of 5 V at a fixed frequency of 2.1 MHz. Precision enable gives flexibility by enabling a direct connection to the wide input voltage or precise control over device start-up and shutdown. The power-good flag, with built-in filtering and delay, offers a true indication of system status eliminating the requirement for an external supervisor.

The LMR36006-Q1 is in a HotRod™ package which enables low EMI, higher efficiency, and the smallest package to die ratio. The device requires few external components and has a pinout designed for simple PCB layout. The small solution size and feature set of the LMR36006-Q1 are designed to simplify implementation for a wide range of end equipment.

The LMR36006-Q1 regulator is an easy-to-use, synchronous, step-down DC/DC converter. With integrated high-side and low-side power MOSFETs, up to 0.6 A of output current is delivered over a wide input voltage range of 4.2 V to 60 V. Tolerance goes up to 66 V.

The LMR36006-Q1 uses peak-current-mode control to provide optimal efficiency and output voltage accuracy. Advanced high speed circuitry allows the LMR36006-Q1 to regulate from an input of 20 V to an output of 5 V at a fixed frequency of 2.1 MHz. Precision enable gives flexibility by enabling a direct connection to the wide input voltage or precise control over device start-up and shutdown. The power-good flag, with built-in filtering and delay, offers a true indication of system status eliminating the requirement for an external supervisor.

The LMR36006-Q1 is in a HotRod™ package which enables low EMI, higher efficiency, and the smallest package to die ratio. The device requires few external components and has a pinout designed for simple PCB layout. The small solution size and feature set of the LMR36006-Q1 are designed to simplify implementation for a wide range of end equipment.
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Technical documentation

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Top documentation Type Title Format options Date
* Data sheet LMR36006-Q1 4.2-V to 60-V, 0.6-A Ultra-Small Synchronous Step-Down Converter datasheet (Rev. D) PDF | HTML Aug 29, 2022
Functional safety information LMR36006 and LMR36006-Q1 Functional Safety, FIT Rate, FMD, and Pin FMA PDF | HTML Apr 15, 2021
Technical article Optimizing flip-chip IC thermal performance in automotive designs PDF | HTML Dec 11, 2019
Application note Understanding Mode Transitions for LMR33620/30 and LMR36006/15 Apr 4, 2019
Technical article How a DC/DC converter package and pinout design can enhance automotive EMI perform PDF | HTML Sep 4, 2018

Design & development

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

Evaluation board

LMR36015AEVM — Synchronous step-down converter evaluation module

The LMR36015 evaluation module (EVM) is a fully assembled and tested circuit for evaluating the LMR36015 synchronous step-down converter.  The LMR36015 provides exceptional efficiency and accuracy in a very small solution size.
User guide: PDF
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Evaluation board

LMR36015FSCEVM — Synchronous step-down converter evaluation module

The LMR36015 evaluation module (EVM) is a fully assembled and tested circuit for evaluating the LMR36015 synchronous step-down converter.  The LMR36015 provides exceptional efficiency and accuracy in a very small solution size.
User guide: PDF
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Simulation model

LMR34206SC5-Q1 Unencrypted PSPICE TRANSIENT MODEL

SNVMBT8.ZIP (186 KB) - PSpice model
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Simulation model

LMR34215FA-Q1 Unencrypted PSPICE TRANSIENT MODEL

SNVMBT7.ZIP (160 KB) - PSpice model
Supported products & hardware
Simulation model

LMR34215FSC5-Q1 Unencrypted PSPICE TRANSIENT MODEL

SNVMBT2.ZIP (161 KB) - PSpice model
Supported products & hardware
Simulation model

LMR34215SC5-Q1 Unencrypted PSPICE TRANSIENT MODEL

SNVMBT1.ZIP (155 KB) - PSpice model
Supported products & hardware
Simulation model

LMR36006A-Q1 Non-Inverting and Inverting Pspice Transient Model

SNVMBQ0.ZIP (164 KB) - PSpice model
Supported products & hardware
Simulation model

LMR36006A-Q1 Non-Inverting and Inverting Unencrypted Pspice Transient Model

SNVMBP9.ZIP (8 KB) - PSpice model
Supported products & hardware
Simulation model

LMR36006FSC-Q1 Non-Inverting and Inverting PSpice Transient Model

SNVMBQ7.ZIP (154 KB) - PSpice model
Supported products & hardware
Simulation model

LMR36006FSC-Q1 Non-Inverting and Inverting Unencrypted PSpice Transient Model

SNVMBQ8.ZIP (8 KB) - PSpice model
Supported products & hardware
Simulation model

LMR36006FSC3-Q1 PSpice Transient Model (Rev. A)

SNVMBO6A.ZIP (156 KB) - PSpice model
Supported products & hardware
Simulation model

LMR36006FSC3-Q1 Unencrypted PSpice Transient Model (Rev. A)

SNVMBO7A.ZIP (8 KB) - PSpice model
Supported products & hardware
Calculation tool

SNVC234 — Mode Transitions Calculator LMR336x0 LMR360xx

Supported products & hardware
Reference design

TIDA-020010 — Automotive HVAC control reference design with HMI

This reference design offers a cost-effective solution for a heating, ventilation, and air conditioning (HVAC) human-machine interface (HMI) application. This reference design incorporates a synchronous step-down converter, multiple channel half-bridge motor driver for brushed DC motors (BDC), (...)
Supported products & hardware
Reference design

TIDA-050015 — Automotive ADAS camera power supply reference design optimized for solution size and low noise

This wide-input power-supply reference design is specifically designed for space-constrained automotive ADAS camera applications. This size-optimized design uses front-end protection paired with a wide input voltage DC/DC converter to enable off-battery operation. The front-end filter and (...)
Supported products & hardware
Reference design

TIDA-060030 — Automotive 12-V to 24-V engine load interface reference design

This reference design is a 3-phase 1/2 H-Bridge Motor Drive solution with independent FET capability that interfaces with solenoid loads found in Gasoline and Diesel Engine Platforms such as automotive solenoids, bidirectional Brushed- or Brushless-DC motors, unidirectional Brushed-DC motors, and (...)

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VQFN-HR (RNX) 12 Ultra Librarian
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