MP2176

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6V, 6A,  High-Efficiency, Synchronous Step-Down Converter



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Product Description

The MP2176 is a monolithic, step-down, switch-mode converter with internal power MOSFETs that can achieve up to 6A of continuous output current from a 1.5V to 6V input voltage with excellent load and line regulation. The output voltage can be regulated as low as 0.61V.

Constant-on-time (COT) control provides fast transient response and eases loop stabilization. Fault condition protections include cycle-by-cycle current limiting and thermal shutdown.

The operating frequency is programmed by an external resistor and is compensated for variations in VIN.

Full protection features, including over-current protection (OCP), short-circuit protection (SCP), over-voltage protection (OVP), under-voltage protection (UVP), and over-temperature protection (OTP), are provided by internal comparators.

The MP2176 requires a minimal number of readily available, standard, external components and is available in a QFN-14 (3mmx4mm) package.

Product Features

  • 1.5V to 6V WideInput Range
  • 3V to 6V VCC Operating Supply
  • 6A Output Current
  • Programmable Switching Frequency from 300kHz to 1MHz
  • Low RDS(ON) Internal Power MOSFETs
  • Proprietary Switching Loss Reduction Technique
  • 1% Reference Voltage Over  -20°C  to +85°C Junction Temperature Range
  • Pre-Bias Start-Up
  • Minimum On Time (TON_MIN = 60ns)
    • Minimum Off Time (TOFF_MIN = 100ns)
  • Non-Latch OCP, Non-Latch OVP, and Thermal Shutdown
  • Output Adjustable from 0.61V to 4.5V
  • Programmable Soft-Start Time
  • Available in a QFN-14 (3mmx4mm) Package

Parametrics

  • fsw (max) (kHz)1000
  • Vin (min) (V)1.5
  • Vin (max) (V)6
  • Iout (max) (A)6
  • Isw Limit (typ) (A)12
  • Vfb (typ) (V)0.61
  • Iq (typ) (mA)1.05
  • Regulated Outputs1
  • Vout (max) (V)4.5
  • Vout (min) (V)0.61
  • GradeCatalog
  • PackageQFN-14 (3x4)
  • Control ModeCOT with fixed CCM
  • Common FeaturesExternal Soft Start, Power Good, Synchronous Rectification
  • Special FeaturesProgrammable Frequency, Soft Stop

Evaluation Kit

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Kit details

The EV2176-L-00A is an evaluation board for the MP2176GL, a high efficiency monolithic synchronous step-down converter.

The Evaluation Board can deliver 6A continuous load current from a 3V to 6V input with excellent load and line regulation.

Constant-On-Time (COT) control mode provides fast transient response and eases loop stabilization.

The Evaluation Board can be turned on or shut down via a remote ON/OFF input that is reference to ground. This input is compatible with popular logic devices.

US$ 25.00 + tax


Reference Materials