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MAX1644

MAX1644 Manufacturer

Maxim

MAX1644 Description

2A, Low-Voltage, Step-Down Regulator with Synchronous Rectification and Internal Switches

MAX1644 Categories

Buck (Step-down) Voltage Regulators

MAX1644 Datasheet (PDF)

MAX1644 Datasheet

MAX1644 Price & Availability


Check MAX1644 Price & Availability at Canics

MAX1644 Features

  • ±1% Output Accuracy
  • 95% Efficiency
  • Internal PMOS and NMOS Switches
    70mOn-Resistance at VIN= +4.5V
    100mOn-Resistance at VIN= +3V
  • Output Voltage
    +3.3V or +2.5V Pin-Selectable
    +1.1V to VINAdjustable
  • +3V to +5.5V Input Voltage Range
  • 360µA (max) Operating Supply Current
  • Programmable Constant-Off-Time Operation
  • 350kHz (max) Switching Frequency
  • Idle Mode Operation at Light Loads
  • Thermal Shutdown
  • Adjustable Soft-Start Inrush Current Limiting
  • 100% Duty Cycle During Low-Dropout Operation
  • Output Short-Circuit Protection
  • 16-Pin SSOP Package

MAX1644 Parameters

Package16/SSOP
Price @ 1k$4.08
Op. Range (°C)-40 to +85
Min. VIN(V)3
Max. VIN(V)5.5
Max. ICC(mA)0.36
Preset VOUT(V)2.5
Preset VOUT(V)3.3
Typ. IOUT(A)2
Op. Freq. (kHz)350
EV-KitYes
Min. Adj. VOUT(V)1.1
Max. Adj. VOUT(V)5.5
Select parameters and click to see components with these parameters.

 
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