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LM63610-Q1
  • LM63610-Q1
  • LM63610-Q1
  • LM63610-Q1
  • LM63610-Q1

LM63610-Q1

ACTIVE

3.5-V to 36-V, 1.0-A step-down voltage converter with spread spectrum

Texas Instruments LM63610-Q1 Product Info

1 April 2026 4

Parameters

Rating

Automotive

Topology

Buck

Iout (max) (A)

1

Vin (max) (V)

36

Vin (min) (V)

3.5

Vout (max) (V)

20

Vout (min) (V)

1

Features

Enable, Fixed Output, Fixed soft start, Forced PWM, Frequency synchronization, Light-load efficiency, Power good, Spread Spectrum, Synchronous rectification, UVLO Fixed

EMI features

Spread Spectrum

Control mode

current mode

Operating temperature range (°C)

-40 to 150

Iq (typ) (A)

0.000023

Duty cycle (max) (%)

99

TI functional safety category

Functional Safety-Capable

Package

HTSSOP (PWP)-16-32 mm² 5 x 6.4

Features

  • AEC-Q100-qualified for automotive applications
    • Device temperature grade 1: –40°C to +125°C ambient operating temperature
  • Functional Safety-Capable
  • Supports automotive system requirements
    • Input voltage range: 3.5V to 36V
    • Short minimum on-time of 50ns
    • Good performance Pseudo-random spread spectrum Compatible with CISPR 25
    • Low operating quiescent current of 23µA
    • Junction temperature range –40°C to +150°C
  • High design flexibility
    • Pin selectable VOUT: 3.3V, 5V, adjustable 1V to 20V
    • Pin compatible with LM63615, LM63625, LM63635 (1.5A, 2.5A, and 3.25A)
    • Pin selectable frequency: 400kHz, 2.1MHz, adjustable 250kHz to 2200kHz
    • Pin selectable FPWM, AUTO, sync modes
    • TSSOP: thermally-enhanced package
    • WSON: for space-constrained applications
  • Small design size
    • Highly integrated design
    • Low component count
  • AEC-Q100-qualified for automotive applications
    • Device temperature grade 1: –40°C to +125°C ambient operating temperature
  • Functional Safety-Capable
  • Supports automotive system requirements
    • Input voltage range: 3.5V to 36V
    • Short minimum on-time of 50ns
    • Good performance Pseudo-random spread spectrum Compatible with CISPR 25
    • Low operating quiescent current of 23µA
    • Junction temperature range –40°C to +150°C
  • High design flexibility
    • Pin selectable VOUT: 3.3V, 5V, adjustable 1V to 20V
    • Pin compatible with LM63615, LM63625, LM63635 (1.5A, 2.5A, and 3.25A)
    • Pin selectable frequency: 400kHz, 2.1MHz, adjustable 250kHz to 2200kHz
    • Pin selectable FPWM, AUTO, sync modes
    • TSSOP: thermally-enhanced package
    • WSON: for space-constrained applications
  • Small design size
    • Highly integrated design
    • Low component count

Description

The LM63610-Q1 regulators are a family of easy-to-use, synchronous, step-down DC/DC converters designed for rugged automotive applications. The LM63610-Q1 can drive up to 1A of load current from an input of up to 36V. The converter has high light load efficiency and output accuracy in a small design size. Features such as a RESET flag and precision enable provide both flexible and easy-to-use designs for a wide range of applications. Automatic frequency foldback at light load improves efficiency while maintaining tight load regulation. Integration eliminates many external components and provides a pinout designed for simple PCB layout. Protection features include thermal shutdown, input undervoltage lockout, cycle-by-cycle current limit, and hiccup short-circuit protection. The LM63610-Q1 is available in both the HTSSOP 16-pin power package, with PowerPAD™ integrated circuit package, and the WSON 12-pin power package. Please contact Texas Instruments for availability of the WSON package.

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