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LMR60406-Q1

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具有低 Iq 和高效率且 cout 超低的汽车级 36V、600mA 同步降压转换器

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LMR60406-Q1

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产品详情

Rating Automotive Topology Buck Iout (max) (A) 0.6 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 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) 0.0000004 Duty cycle (max) (%) 98 TI functional safety category Functional Safety-Capable Sector Robotics
Rating Automotive Topology Buck Iout (max) (A) 0.6 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 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) 0.0000004 Duty cycle (max) (%) 98 TI functional safety category Functional Safety-Capable Sector Robotics
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 3.3V/ADJ and 5V/ADJ
    • Adjustable output voltage range from 1V to 20V
  • Ultra-low quiescent current
    • Shutdown current: 0.7µA
    • Standby current: 3.5µA
  • 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 3.3V/ADJ and 5V/ADJ
    • Adjustable output voltage range from 1V to 20V
  • Ultra-low quiescent current
    • Shutdown current: 0.7µA
    • Standby current: 3.5µA
  • 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 LMR60406-Q1 is a 3V to 36V (42V transient), 0.6A, automotive-grade synchronous buck converter in an ultra compact 2.5mm × 2mm QFN-9 package with wettable flanks. The HotRod™ QFN package with mitigated interference and noise technology using architecture 1 features (MINT 1) enables 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 LMR60406-Q1 allows the user to select between forced pulse width modulation (FPWM), auto mode, or external synchronization mode of operation.

The LMR60406-Q1 is designed to offer reduced output capacitance leading to compact PCB layout and system cost savings. The LMR60406-Q1 is a part of a family of pin-compatible devices ranging in current levels from 0.6A to 6A.

The LMR60406-Q1 is a 3V to 36V (42V transient), 0.6A, automotive-grade synchronous buck converter in an ultra compact 2.5mm × 2mm QFN-9 package with wettable flanks. The HotRod™ QFN package with mitigated interference and noise technology using architecture 1 features (MINT 1) enables 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 LMR60406-Q1 allows the user to select between forced pulse width modulation (FPWM), auto mode, or external synchronization mode of operation.

The LMR60406-Q1 is designed to offer reduced output capacitance leading to compact PCB layout and system cost savings. The LMR60406-Q1 is a part of a family of pin-compatible devices ranging in current levels from 0.6A to 6A.
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* 数据表 LMR60406-Q1 36V, 0.6A , Automotive Sync Buck Converter With Mitigated Interference and Noise Technology (MINT), Optimized EMI, and Low Output Capacitance 数据表 (Rev. B) PDF | HTML 2026-8-10
功能安全信息 LMR604xx, LMR604xx-Q1 Functional Safety FIT Rate, FMD and Pin FMA PDF | HTML 2024-12-12

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参考设计

TIPA-050061 — C2000™ 分立式电源参考设计

此分立式电源参考设计旨在用作汽车应用中 C2000™ 电源树的指南。

支持的产品和硬件
封装 引脚 CAD 符号、封装和 3D 模型
WQFN-HR (RAK) 9 Ultra Librarian
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