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LM61440AASQRJRRQ1 +BOM

Automotive 3-V to 36-V, 4-A, low-noise synchronous step-down converter

LM61440AASQRJRRQ1 General Description

The LM61440-Q1 includes auto-mode functionality that facilitates frequency foldback during light loads, reducing unloaded current consumption to a mere 7 µA (typical) and enhancing light load efficiency. This seamless transition between PWM and PFM modes, combined with low MOSFET ON resistances and an external bias input, ensures exceptional efficiency across the entire load spectrum. Whether aiming for improved efficiency at lower frequencies or a compact solution size at higher frequencies, the LM61440-Q1 offers the flexibility to meet diverse operational requirements

Key Features

  • High-performance, low-power comparator
  • Wide operating temperature range
  • Low input offset voltage and bias current

Specifications

Vin (min) (V) 3 Vin (max) (V) 36
Vout (min) (V) 1 Vout (max) (V) 34
Iout (max) (A) 4 Iq (typ) (mA) 0.008
Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 2200
EMI features Low parasitic Hotrod packaging, Spread Spectrum Features Enable, Frequency synchronization, Light Load Efficiency, Over Current Protection, Power good, Soft Start Fixed, Spread Spectrum, Synchronous Rectification, Wettable flanks package
Operating temperature range (°C) -40 to 150 Rating Automotive
TI functional safety category Functional Safety-Capable Regulated outputs (#) 1
Control mode current mode Duty cycle (max) (%) 98
Type Converter feature-type Synchronous Step Down
feature-isolation feature-process-technology
feature-output-type Adjustable feature-switching-frequency-khz 200 to 2200
feature-number-of-outputs 1 feature-output-voltage-v 1 to 34.2
feature-maximum-output-current-a 4 feature-maximum-output-power-w
feature-minimum-input-voltage-v 3 feature-maximum-input-voltage-v 36
feature-typical-switch-current-a feature-efficiency-
feature-packaging feature-rad-hard
feature-pin-count 14 feature-cecc-qualified
feature-esd-protection feature-escc-qualified
feature-military No feature-aec-qualified Yes
feature-aec-qualified-number AEC-Q100 feature-eccn-code EAR99
feature-svhc feature-svhc-exceeds-threshold No

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Ratings and Reviews

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G
G**n 03/02/2022

The order arrived quickly enough. Arrived in a regular bag with pimples. Everything is safe and sound, the legs are whole and not bent. In work, the goods have not yet been tested, there was not yet an opportunity.  Thanks to the seller for the product and the quick shipment.

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In Stock: 6,338

Minimum Order: 1

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