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Analog Devices Inc. DC1890A Demonstration Circuit Product Introduction

4/6/2023 1:04:29 AM

Analog Devices Inc. DC1890A Demonstration Circuit contains the circuitry needed to program and verify the EEPROM of the LTC3883PMIC - Voltage Regulators - DC DC Switching Controllers and LTC3883-1 Step-Down DC/DC Controllers. This demonstration circuit includes the LTC3883 mounted in a clamshell programming socket. The EEPROM provided by the DC1890A demonstration circuit adopts the factory default configuration. The LTpowerPlay software (GUI) must be downloaded and installed to verify the contents of the EEPROM.

  • Package/Case:
    32-WFQFN Exposed Pad
  • Packaging:
  • Series:
  • ProductStatus:
  • OutputType:
    Transistor Driver
  • Function:
  • OutputConfiguration:
  • Topology:
  • NumberofOutputs:
  • OutputPhases:
  • Voltage-Supply(Vcc/Vdd):
    4.5V ~ 24V
  • Frequency-Switching:
  • DutyCycle(Max):
  • SynchronousRectifier:
  • ClockSync:
  • SerialInterfaces:
    I²C, PMBus
  • ControlFeatures:
    Enable, Frequency Control, Phase Control, Power Good
  • OperatingTemperature:
    -40°C ~ 125°C (TJ)
  • MountingType:
    Surface Mount

necessary equipment

Windows PC

DC1613A or DC1427A USB to I2C/SMBUS/PMBUS controller


PMBus/I2C compatible serial interface

Telemetry readback includes VIN, IIN, VOUT, IOUT, temperature and fault

Programmable voltage, current limit, digital soft start/stop, sequencing, margining, OV/UV/OC and frequency synchronization (250kHz to 1MHz)

±0.5% Output Voltage Accuracy Over Temperature

Integrated 16-bit ADC

Integrated High-Side Current Sense Amplifier

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