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LMR60430-Q1

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LMR60430-Q1

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Detalles del producto

Rating Automotive Topology Buck Iout (max) (A) 3 Vin (max) (V) 36 Vin (min) (V) 3 Vout (max) (V) 34 Vout (min) (V) 1 Features Enable, Frequency synchronization, Light Load Efficiency, Over Current Protection, Power good, Soft Start Fixed, Spread Spectrum, Synchronous Rectification, Wettable flanks package EMI & noise features Fixed-frequency control, Low parasitic packaging, Mitigated interference & noise technology – architecture 1 (MINT 1), Pinout optimization, Spread Spectrum Control mode current mode Operating temperature range (°C) -40 to 150 Iq (typ) (A) 0.000004 Duty cycle (max) (%) 98 TI functional safety category Functional Safety-Capable
Rating Automotive Topology Buck Iout (max) (A) 3 Vin (max) (V) 36 Vin (min) (V) 3 Vout (max) (V) 34 Vout (min) (V) 1 Features Enable, Frequency synchronization, Light Load Efficiency, Over Current Protection, Power good, Soft Start Fixed, Spread Spectrum, Synchronous Rectification, Wettable flanks package EMI & noise features Fixed-frequency control, Low parasitic packaging, Mitigated interference & noise technology – architecture 1 (MINT 1), Pinout optimization, Spread Spectrum Control mode current mode Operating temperature range (°C) -40 to 150 Iq (typ) (A) 0.000004 Duty cycle (max) (%) 98 TI functional safety category Functional Safety-Capable
WQFN-HR (RBM) 11 8.75 mm² (2.5 mm × 3.5 mm) WQFN-HR (RAK) 9 5 mm² (2.5 mm × 2 mm)
  • Mitigated interference and noise technology – architecture 1 (MINT 1):
    • Facilitates CISPR 25 class 5 compliance
    • Low inductance HotRod™ QFN package
    • Advanced spread spectrum options available
  • AEC-Q100 qualified for automotive applications
    • Device temperature grade 1: –40°C to 125°C ambient operating temperature range
  • Functional Safety-Capable
  • Wide operating input voltage: 3V to 36V (42V absolute maximum)
  • Programmable output voltage options available in fixed 1.8V/ADJ, 3.3V/ADJ, and 5V/ADJ
    • Adjustable output voltage range from 1V to 20V
  • Ultra-low quiescent current
    • Shutdown current: 0.7µA
    • No load standby current: 5µA
  • Optimized control loop for low output capacitance
  • Switching frequency from 200kHz – 2.2MHz
  • Low minimum on time tON (30ns typical)
  • FPWM, PFM, or external frequency synchronization available
  • Designed for scalable power supplies
  • Power-Good output for power sequencing
  • Mitigated interference and noise technology – architecture 1 (MINT 1):
    • Facilitates CISPR 25 class 5 compliance
    • Low inductance HotRod™ QFN package
    • Advanced spread spectrum options available
  • AEC-Q100 qualified for automotive applications
    • Device temperature grade 1: –40°C to 125°C ambient operating temperature range
  • Functional Safety-Capable
  • Wide operating input voltage: 3V to 36V (42V absolute maximum)
  • Programmable output voltage options available in fixed 1.8V/ADJ, 3.3V/ADJ, and 5V/ADJ
    • Adjustable output voltage range from 1V to 20V
  • Ultra-low quiescent current
    • Shutdown current: 0.7µA
    • No load standby current: 5µA
  • Optimized control loop for low output capacitance
  • Switching frequency from 200kHz – 2.2MHz
  • Low minimum on time tON (30ns typical)
  • FPWM, PFM, or external frequency synchronization available
  • Designed for scalable power supplies
  • Power-Good output for power sequencing

The LMR60430-Q1 is a 3V to 36V (42V transient), 3A, automotive-grade synchronous buck converter in an ultra compact 2.5mm × 2mm QFN-9 package or 3.5mm × 2.5mm QFN-11 packagewith wettable flanks. The HotRod™ QFN package with mitigated interference and noise technology using architecture 1 features (MINT 1) achieves low EMI performance to facilitate qualification of automotive and other noise-sensitive designs.

All device variants are capable of output voltages ranging from 1V to 20V in adjustable output configuration. Each variant is also capable of delivering a fixed output voltage by connecting the output voltage node directly to the feedback pin. The Device Comparison provides details on the fixed output voltage options. The current-mode control architecture with 30ns minimum on-time allows high conversion ratios at high frequencies, fast transient response, and excellent load and line regulation.

Open drain power-good output facilitates power sequencing requirements. The MODE/SYNC pin of the LMR60430-Q1 allows the user to select between forced pulse width modulation (FPWM), auto mode, or external synchronization mode of operation.

The LMR60430-Q1 is designed to offer reduced output capacitance leading to compact PCB layout and system cost savings. The LMR60430-Q1 is a part of a family of pin-compatible devices ranging in current levels from 0.6A to 6A.

The LMR60430-Q1 is a 3V to 36V (42V transient), 3A, automotive-grade synchronous buck converter in an ultra compact 2.5mm × 2mm QFN-9 package or 3.5mm × 2.5mm QFN-11 packagewith wettable flanks. The HotRod™ QFN package with mitigated interference and noise technology using architecture 1 features (MINT 1) achieves low EMI performance to facilitate qualification of automotive and other noise-sensitive designs.

All device variants are capable of output voltages ranging from 1V to 20V in adjustable output configuration. Each variant is also capable of delivering a fixed output voltage by connecting the output voltage node directly to the feedback pin. The Device Comparison provides details on the fixed output voltage options. The current-mode control architecture with 30ns minimum on-time allows high conversion ratios at high frequencies, fast transient response, and excellent load and line regulation.

Open drain power-good output facilitates power sequencing requirements. The MODE/SYNC pin of the LMR60430-Q1 allows the user to select between forced pulse width modulation (FPWM), auto mode, or external synchronization mode of operation.

The LMR60430-Q1 is designed to offer reduced output capacitance leading to compact PCB layout and system cost savings. The LMR60430-Q1 is a part of a family of pin-compatible devices ranging in current levels from 0.6A to 6A.
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Documentación técnica

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Documentación principal Tipo Título Opciones de formato Descargar la versión más reciente en inglés Fecha
* Hoja de datos LMR60430-Q1 36V, 3A, Automotive, Sync. Buck Converter With Mitigated Interference and Noise Technology (MINT) datasheet (Rev. E) PDF | HTML 10/08/2026
Nota sobre la aplicación Understanding Mode Transitions for LMR33620/30 and LMR36006/15 (Rev. A) PDF | HTML 7/10/2026
Información sobre seguridad funcional LMR604x0, LMR604x0-Q1 Functional Safety FIT Rate, FMD and Pin FMA (Rev. A) PDF | HTML 30/06/2026

Diseño y desarrollo

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