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A8580KLPTR-T
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A8580KLPTR-T

  • Category:Voltage regulator
  • Product Name:Wide input voltage, 2.4 MHz, 2.5 A asynchronous buck regulator with low IQ standby, sleep mode, external synchronization, and NPOR output
  • Manufacturers:Allegro
  • Production Batch Number:15+
  • Encapsulation:16-lead TSSOP
  • Stock Status:There is stock
  • Stock Quantity:9030
  • Minimum order quantity: 1
  • Details:点击查找A8580KLPTR-T的pdf资料
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  • Product introduction

A8580Designed to meet the power needs of next-generation car audio and infotainment systems, it provides all the control and protection circuitry needed to operate a high-current regulator with an output voltage accuracy of ±1.0%. By utilizing pulse width modulation (PFM), the A8580 can operate at 12 Vinput voltageIt consumes less than 50 μA and supplies 3.3 V/40 μA. After start-up, the A8580 can be at least 3.6 Vinput voltageRun (EntervoltageDown).

Features of the A8580 include PWM/PFMn mode control inputs to enable PWM (logic high) or PFM (logic low). If the PWM/PFMn input is driven by an external clock signal above the base frequency (fOSC), the PWM frequency will be synchronized with the input clock frequency. The SLEEPn input pin controls a very low current shutdown mode at 16 Vinput voltageand at 85ºC, this mode requires at least 5 μA for internal circuitry and 10 μA (max) for MOSFET leakage. The A8580 is compatible with a wide range of frequencies and external components with external compensation, and provides a power-on reset (NPOR) signal with output voltage verification.

The A8580'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, VIN undervoltage lockout, VOUTOvervoltage protection and thermal shutdown.

The A8580 is available in an ultra-thin 16-pin TSSOP package with an exposed power board (suffix LP). 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
    • Automotive AEC-Q100 compliant
    • Withstands inrush voltages up to 40 V
    • Available down to 3.4 VInput voltage(typical) down operation (VINDown)
    • By utilizing pulse frequency modulation (PFM), only a dozen milliamps of current can be consumed at the input voltage while maintaining the arc-dimensional output voltage
    • PWM/PFMn mode controls the input pins
    • Through integration
    • The 110 mΩ high voltage MOSFET provides up to 2.5 A of output current
    • The SLEEPn input pin controls a very low current shutdown mode
    • Adjustable output voltage with ±1.0% accuracy over a 0°C to 85°C temperature range and ±1.5% accuracy over a temperature range of –40°C to 150°C
    • Programmable switching frequency: 250 kHz to 2.4 MHz
    • Synchronization function: Applying a clock input to the PWM/PFMn input pin will increase the PWM frequency
    • Low, power-on reset (NPOR) open-drain output
    • Prebias startup is possible with no reset of the output voltage
    • External compensation can be used for maximum flexibility
    • Compatible with ceramic or electrolytic output capacitors
    • Excellent protection to meet the most stringent application requirements
    • Overvoltage, pulse-by-pulse current limit, hiccup mode short-circuit protection, and thermal protection
    • Robust FMEA protects against open/short pins and component faults
    • Surface mount package with enhanced thermal dissipation

andA8580KLPTR-TRelated ICs are:


Model Manufacturers lot number encapsulation illustrate
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