Product details


Vin (Min) (V) 3 Vin (Max) (V) 36 Vout (Min) (V) 1 Vout (Max) (V) 34.2 Iout (Max) (A) 8 Iq (Typ) (uA) 16 Switching frequency (Min) (kHz) 200 Switching frequency (Max) (kHz) 2200 Features Enable, Forced PWM, Frequency Synchronization, Light Load Efficiency, Over Current Protection, Power Good, Soft Start Fixed, Spread Spectrum, Synchronous Rectification, UVLO Fixed, Wettable Flanks Package Operating temperature range (C) -40 to 150 Rating Automotive Regulated outputs (#) 1 open-in-new Find other Buck converters (integrated switch)

Package | Pins | Size

VQFN-HR (RPH) 16 16 mm² 4.5 x 3.5 open-in-new Find other Buck converters (integrated switch)


  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • Functional Safety-Capable
  • Input voltage range from 3 V to 36 V
  • RESET output with filter and delayed release
  • Designed for low EMI:
    • CISPR 25 class 5 compliant EVM
    • Pin-configurable spread spectrum
    • Adjustable SW node rise time
    • Above and below AM band operation: pin configurable 400 kHz and 2.2 MHz fixed or adjustable from 200 kHz – 2.2 MHz
    • Low EMI symmetrical pinout
    • Light load mode is pin-configurable for constant frequency or pulse frequency modulation (PFM)
  • High-efficiency solution
    • 95% efficient for an 8-A load
    • 5-µA input current while unloaded in auto mode
    • <1-µA shutdown current (typical)
  • High power density
    • Built-in compensation, soft start, current limit, thermal shutdown, and UVLO
    • 4.5-mm × 3.5-mm wettable flank QFN package
    • ϴJA = 21.6°C/W, measured on LM61495RPHEVM
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The LM6x4xx-Q1 buck regulator family are automotive-focused regulators providing either fixed or an adjustable output voltage which can be set from 1 V to 95% of expected input voltage. These regulators operate under a wide input voltage range of 3 to 36V and has transient tolerance up to 42 V.

The family is designed for low EMI. The device incorporates pin selectable spread spectrum, and an adjustable SW node rise time. Dual Random Spread Spectrum (DRSS) frequency hopping is set to ±4% (typical), drastically reducing peak emissions through a combination of triangular and pseudorandom modulation, and includes advanced techniques to reduce output voltage ripple caused by spread spectrum modulation.

An open-drain RESET output, with filtering and delayed release, gives a true indication of system status. In auto mode the device automatically transitions between Fixed frequency Pulse Width Modulation (FPWM) and Pulse Frequency Modulation (PFM) modes of operation, allowing an unloaded current consumption of only 5 µA (typical). Electrical characteristics are specified over a junction temperature range of –40°C to +150°C.

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Technical documentation

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Type Title Date
* Data sheet LM62460-Q1, LM61480-Q1, and LM61495-Q1 Pin-Compatible 6-A/8-A/10-A Automotive Buck Converter Optimized for Power Density and Low EMI datasheet (Rev. D) Aug. 19, 2021
Application note Configuring LM62460 for Dual-Phase Operation Aug. 12, 2021
Functional safety information LM62460-Q1, LM61480-Q1, LM61495-Q1 Functional Safety, FIT Rate, FMD and Pin FMA (Rev. A) Apr. 05, 2021
Technical article Lowering audible noise in automotive applications with TI’s DRSS technology Mar. 18, 2021
Analog design journal The pros and cons of spread‐spectrum implementation methods in buck regulators Mar. 18, 2021
Technical article Minimize the impact of the MLCC shortage on your power application Mar. 29, 2019

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