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LM65440-Q1

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采用小型 eQFN 封装的 36V、4A 可堆叠降压电源转换器

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数据表

LM65440-Q1

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数据表 立即订购

产品详情

Rating Automotive Topology Buck Iout (max) (A) 4 Vin (max) (V) 36 Vin (min) (V) 3 Vout (max) (V) 35 Vout (min) (V) 0.8 Features Auto Mode, Enable, Forced PWM, Frequency synchronization, Light load efficiency, Over Current Protection, Soft Start Fixed, Stackable, Synchronous Rectification, UVLO fixed, Wettable flanks package EMI & noise features Low parasitic Hotrod packaging, Spread Spectrum Control mode current mode Operating temperature range (°C) -40 to 150 Iq (typ) (A) 0.000003 Duty cycle (max) (%) 99 TI functional safety category Functional Safety-Capable
Rating Automotive Topology Buck Iout (max) (A) 4 Vin (max) (V) 36 Vin (min) (V) 3 Vout (max) (V) 35 Vout (min) (V) 0.8 Features Auto Mode, Enable, Forced PWM, Frequency synchronization, Light load efficiency, Over Current Protection, Soft Start Fixed, Stackable, Synchronous Rectification, UVLO fixed, Wettable flanks package EMI & noise features Low parasitic Hotrod packaging, Spread Spectrum Control mode current mode Operating temperature range (°C) -40 to 150 Iq (typ) (A) 0.000003 Duty cycle (max) (%) 99 TI functional safety category Functional Safety-Capable
WQFN-FCRLF (RZT) 20 9.36 mm² (3.6 mm × 2.6 mm)
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • Wide input voltage range: 3V to 36V
  • Mitigated interference and noise technology – architecture 1 (MINT 1)
    • Facilitates CISPR 25 class 5 compliance
    • ±5% dual-random spread spectrum
    • Enhanced HotRod™ QFN package with symmetrical pinout
  • Low minimum on time: 40ns (maximum)
  • Switching frequency from 300kHz to 2.2MHz
  • Pin-configurable 400kHz and 2.1MHz
  • Pin-configurable AUTO or FPWM operation
  • Dual phase capable up to 16A for high current designs
  • Pin-pin with the 65V LM656x5-Q1 family
  • High-efficiency power conversion at all loads
    • > 94.65% peak efficiency at 12VIN, 5VOUT, 400kHz
    • 3.0µA PFM no-load input current
  • High power density
    • Internal compensation, current limit, and TSD
    • 3.6mm × 2.6mm, wettable flank, 20-pin package
    • ϴJA = 24.0°C/W (LM654x0-Q1EVM)
  • Create a custom design using the LM654x0-Q1 with the WEBENCH Power Designer
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • Wide input voltage range: 3V to 36V
  • Mitigated interference and noise technology – architecture 1 (MINT 1)
    • Facilitates CISPR 25 class 5 compliance
    • ±5% dual-random spread spectrum
    • Enhanced HotRod™ QFN package with symmetrical pinout
  • Low minimum on time: 40ns (maximum)
  • Switching frequency from 300kHz to 2.2MHz
  • Pin-configurable 400kHz and 2.1MHz
  • Pin-configurable AUTO or FPWM operation
  • Dual phase capable up to 16A for high current designs
  • Pin-pin with the 65V LM656x5-Q1 family
  • High-efficiency power conversion at all loads
    • > 94.65% peak efficiency at 12VIN, 5VOUT, 400kHz
    • 3.0µA PFM no-load input current
  • High power density
    • Internal compensation, current limit, and TSD
    • 3.6mm × 2.6mm, wettable flank, 20-pin package
    • ϴJA = 24.0°C/W (LM654x0-Q1EVM)
  • Create a custom design using the LM654x0-Q1 with the WEBENCH Power Designer

The LM654x0-Q1 are a family of automotive buck converters designed for high-efficiency, high-power density, and ultra-low electromagnetic interference (EMI) with mitigated interference and noise technology (MINT 1) switcher technology. The converters operate over a wide input voltage range of 3V to 36V (42V tolerant) The LM654x0-Q1 is dual phase capable by simply connecting the compensated error signal between the primary and secondary device. The LM654x0-Q1 comes with pin selectable fixed output voltages of 3.3V and 5V or in adjustable configuration. The low EMI operation is enabled with minimized loop inductance and optimized switch node slew rate. The current-mode control architecture with a 30ns typical minimum on-time allows high conversion ratios at high frequencies coupled with a fast transient response and excellent load and line regulation.

The LM654x0-Q1 are a family of automotive buck converters designed for high-efficiency, high-power density, and ultra-low electromagnetic interference (EMI) with mitigated interference and noise technology (MINT 1) switcher technology. The converters operate over a wide input voltage range of 3V to 36V (42V tolerant) The LM654x0-Q1 is dual phase capable by simply connecting the compensated error signal between the primary and secondary device. The LM654x0-Q1 comes with pin selectable fixed output voltages of 3.3V and 5V or in adjustable configuration. The low EMI operation is enabled with minimized loop inductance and optimized switch node slew rate. The current-mode control architecture with a 30ns typical minimum on-time allows high conversion ratios at high frequencies coupled with a fast transient response and excellent load and line regulation.
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* 数据表 LM654x0-Q1 High-Performance, Stackable Power Converter, 3V to 36V , Pin-Compatible 4A, 6A, 8A, Automotive , Low EMI With Mitigated Interference and Noise Technology (MINT) Synchronous Buck Converters 数据表 (Rev. A) PDF | HTML 2026-8-26
功能安全信息 LM654x0 and LM654x0-Q1-Q1 Functional Safety FIT Rate, FMD and Pin FMA PDF | HTML 2026-8-26

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封装 引脚 CAD 符号、封装和 3D 模型
WQFN-FCRLF (RZT) 20 Ultra Librarian
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