DC to DC Converter and Switching Regulator Chip

A4491EESTR-T

Conv DC-DC 4.5V to 23V Step Down Single-Out 4.5A 20-Pin QFN EP T/R

Allegro MicroSystems

Product Technical Specifications

• EU RoHS

  Compliant

• ECCN (US)

  EAR99

• Part Status

  Active

• HTS

  8542.39.00.90

• SVHC

  Yes

• Automotive

  No

• PPAP

  No

• Type

  Step Down

• Maximum Switching Frequency (kHz)

  630

• Switching Regulator

  Yes

• Number of Outputs

  1

• Maximum Output Current (A)

  4.5

• Minimum Input Voltage (V)

  4.5

• Maximum Input Voltage (V)

  23

• Operating Supply Voltage Range (V)

  4.5 to 23

• Typical Quiescent Current (uA)

  1000

• Minimum Operating Temperature (°C)

  -40

• Maximum Operating Temperature (°C)

  85

• Packaging

  Tape and Reel

• Mounting

  Surface Mount

• Package Width

  4

• Package Length

  4

• PCB changed

  20

• Standard Package Name

  QFN

• Supplier Package

  QFN EP

• Pin Count

  20

• Lead Shape

  No Lead