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A8585KLKTR-1-T
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A8585KLKTR-1-T

  • Category:Voltage regulator
  • Product Name:Wide input voltage 2 A buck regulator series with low IQ mode
  • Manufacturers:Allegro
  • Production Batch Number:15+
  • Encapsulation:10-lead SOIC
  • Stock Status:There is stock
  • Stock Quantity:8070
  • Minimum order quantity: 1
  • Details:Click here to find pdf information on the A8585KLKTR-1-T
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  • Product introduction

A8585The series is designed to meet the power supply requirements of next-generation automotive audio and infotainment systems. The A8585 family provides all the control and protection circuitry required for high current regulators with an output voltage accuracy of ±1.0%.

In PWM mode,A8585The series uses current mode control to provide simple compensation, excellent stability, and fast transient response. In low IQ mode, the A8585 family uses pulse frequency adjustment at 12 VINConsumes less than 33 μA while providing 5.0 V/40 μA.

For operation, the A8585 family can be used down to 3.6 VIN(Pressure drop.)) to operate at voltage. An optional sleep mode feature allows extremely low standby current.

Features of the A8585 family include programmable PWM switching frequency. The regulator switching frequency can be synchronized to an external clock. The A8585 has external compensation to optimize stability and transient response for a wide range of external components and applications. The A8585 has a fixed soft-start time of 5 ms.

The A8585's extensive protection features include pulse-by-pulse current limit, hiccup mode short-circuit protection, open/short-circuit asynchronous diode protection, BOOT open/short-circuit voltage protection, VINUndervoltage lockout and thermal shutdown.

The A8585 is available in a 10-pin SOIC package (suffix: LK) with an exposed power board. The package is lead (Pb) free with 100% matte tin leadframe plating.

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  • Car:
    • Instrument cluster
    • Sound system
    • navigation
    • HVAC
  • Home audio
  • Networking and telecommunications
  • For industrial use
    • Automotive AEC-Q100 compliant
    • Withstands load rejection up to 40 VIN
    • Withstands start-stop speeds as low as 3.4 VIN (typical) and 3.6 VIN (maximum).
    • Using Pulse Frequency Adjustment (PFM) for Low IQ Mode
    • Feature options:
      • Optional PWM/Low IQ PFM mode, or
      • Selectable 10 μA sleep mode (automatic PWM/low IQ PFM mode selection)
    • Fixed output voltage options: 3.3 V or 5 V with ± 1.0% accuracy
    • Delivers up to 2.0 A of output current
    • Incorporates 110 mΩ high-side MOSFETs
    • Adjustable switching frequency from 300 to 550 kHz (up to 605 kHz by synchronization).
    • EMI reduction function:
      • Frequency jitter
      • Controlled switch nodes
    • External synchronization capabilities
    • Active low NPOR output with 7.5 ms latency
    • Ability to pre-bias startup: VOUT increases monotonically without causing a reset
    • External compensation can be used for maximum flexibility
    • Compatible with ceramic or electrolytic output capacitors
    • Internal fixed soft-start time of 5 ms
    • Pulse-by-pulse current limit, hiccup mode short-circuit protection, and thermal protection
    • Pin open/short and component fault tolerance
    • -40°C to 150°C operating junction temperature range
    • SOIC-10 surface mount package with enhanced thermal capabilities

andA8585KLKTR-1-TRelated ICs are:


Model Manufacturers lot number encapsulation illustrate
A8585KLKTR-T Allegro 15+ 10-lead SOIC Wide input voltage 2 A buck regulator series with low IQ mode
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A8585KLKTR-2-T Allegro 15+ 10-lead SOIC Wide input voltage 2 A buck regulator series with low IQ mode
A8585KLKTR-1-T Allegro 15+ 10-lead SOIC Wide input voltage 2 A buck regulator series with low IQ mode

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