LT8610AX
Info : RECOMMENDED FOR NEW DESIGNS
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LT8610AX

42V, 3.5A Synchronous Step-Down Regulator with Operation to 175°C

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Info : RECOMMENDED FOR NEW DESIGNS tooltip
Info : RECOMMENDED FOR NEW DESIGNS tooltip
Part Details
Part Models 2
1ku List Price Starting From $147.20
Features
  • 100% Tested at 175°C
  • ±2% Reference Accuracy Over –40°C to 175°C Range
  • Wide Input Voltage Range: 3.7V to 42V
  • Ultralow Quiescent Current Burst Mode® Operation
  • High Efficiency Synchronous Operation:
    • 91% Eff. at 0.5A, at 175°C, 3.3VOUT from 12VIN
    • 92% Eff. at 0.5A, at 175°C, 5VOUT from 12VIN
  • Adjustable and Synchronizable Frequency: 200kHz to 2.2MHz
  • No Thermal Shutdown
  • Internal Compensation
  • Output Soft-Start and Tracking
  • Power Good Flag
  • Small Thermally-Enhanced 16-Lead MSOP Package
Additional Details
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The LT8610AX is a compact, high efficiency, high speed synchronous monolithic step-down switching regulator rated to 175°C junction temperature. The LT8610AX is 100% tested a 175°C. Top and bottom power switches are included with all necessary circuitry to minimize the need for external components. Low ripple Burst Mode operation enables high efficiency across a wide range of output currents while keeping the output ripple low. A SYNC pin allows synchronization to an external clock. Internal compensation with peak current mode topology allows the use of small inductors and results in fast transient response and good loop stability. The EN/UV pin has an accurate 1V threshold and can be used to program VIN undervoltage lockout or to shut down the LT8610AX. A capacitor on the TR/SS pin programs the output voltage ramp rate during startup while the PG flag signals when VOUT is within ±9% of the programmed output voltage as well as fault conditions. The LT8610AX is available in small 16-lead MSOP package with exposed pad for low thermal resistance.

Feedback Voltage Min VIN Output Current Notes
LT8610AC-1 0.80V 3.0V 3.5A Fsw = 1.5MHz to 2.2MHz, Optimized Transient Response
LT8610AC 0.80V 3.0V 3.5A Fsw = 200kHz to 2.2MHz
LT8610AB 0.97V 3.4V 3.5A Improved Burst Mode Efficiency
LT8610AX 0.97V 3.4V 3.5A 175°C Max Junction Temp
LT8610A 0.97V 3.4V 3.5A Higher Iout, 30ns Min On Time
LT8610 0.97V 3.4V 2.5A -

Applications

  • Oil and Gas Exploration


Part Models 2
1ku List Price Starting From $147.20

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
LT8610AXMSE#PBF
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LT8610AXMSE#TRPBF
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Product Lifecycle

PCN

Oct 11, 2022

- 22_0244

Epoxy Change from Henkel 8290 to 8290A for MSOP Package

Feb 4, 2020

- 20_0132

Laser Top Mark for 16-Lead MSOP Packages Assembled in ADPG and UTAC

LT8610AXMSE#PBF

PRODUCTION

LT8610AXMSE#TRPBF

PRODUCTION

Apr 11, 2019

- 19_0067

Notification of Wafer Fab Location Change for 0.35 BCD Process

Filter by Model

reset

Reset Filters

Part Models

Product Lifecycle

PCN

Oct 11, 2022

- 22_0244

arrow down

Epoxy Change from Henkel 8290 to 8290A for MSOP Package

Feb 4, 2020

- 20_0132

arrow down

Laser Top Mark for 16-Lead MSOP Packages Assembled in ADPG and UTAC

LT8610AXMSE#PBF

PRODUCTION

LT8610AXMSE#TRPBF

PRODUCTION

Apr 11, 2019

- 19_0067

arrow down

Notification of Wafer Fab Location Change for 0.35 BCD Process

Software & Part Ecosystem

Software & Part Ecosystem

Tools & Simulations

Tools & Simulations 1

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

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