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MAX1742 Datasheet

MAX1742 ManufacturerMaxim
MAX1742 Description1A/2.7A, 1MHz, Step-Down Regulators with Synchronous Rectification and Internal Switches
MAX1742 Categories
Buck (Step-down) Voltage Regulators
MAX1742 Datasheet (PDF)
MAX1742 Datasheet
MAX1742 Features
  • ±1% Output Accuracy
  • 95% Efficiency
  • Internal PMOS and NMOS Switches
    90mOn-Resistance at VIN= 4.5V
    110mOn-Resistance at VIN= 3V
  • Output Voltage
    2.5V, 1.8V, or 1.5V Pin Selectable
    1.1V to VINAdjustable
  • 3V to 5.5V Input Voltage Range
  • 600µA (max) Operating Supply Current
  • <1µA Shutdown Supply Current
  • Programmable Constant-Off-Time Operation
  • 1MHz (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 QSOP Package
MAX1742 Parameters
Package16/QSOP
Price @ 1k$3.71
Op. Range (°C)-40 to +85
Min. VIN(V)3
Max. VIN(V)5.5
Max. ICC(mA)0.6
Preset VOUT(V)1.5
Preset VOUT(V)2.5
Preset VOUT(V)1.8
Typ. IOUT(A)1
Op. Freq. (kHz)1000
EV-KitYes
Min. Adj. VOUT(V)1.1
Max. Adj. VOUT(V)5.5
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