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Step Down DC-DC Converter
  • SKU
    WD1502F
  • Category
    Power Management - DC2DC
  • Application
    IoT/Emerging

WD1502 is a high efficiency, synchronous step down DC-DC converter. It can deliver up to 2A of continuous output current with operating at an input range of 4.5V-28V. The internal synchronous power switches provide high efficiency without the use of an external Schottky diode. WD1502 operates at 650 kHz fixed switching frequency with Pulse-Width-Modulation (PWM) and enters Pulse-Skipping-Modulation (PSM) operation at light load current to maintain high efficiency and low output ripple over the entire load current range.

The WD1502 has short-circuit protection, thermal protection, and input under voltage lockout.

The WD1502 is available in TSOT-23-6L package. Standard products is Pb-Free and Halogen-Free.

Applications
– 12V, 24V Distributed Power-Bus Supply
– Industrial Applications
– White Goods
– Consumer Application

Wide 4.5V~28V Operating Input Range

Typical 650 kHz Switching Frequency

2A continuous output current

Low 2-μA Shutdown, 60-μA Quiescent Current

Internal 5 mS Soft-Start

Peak Efficiency > 94%

150 mΩ Internal Power HS MOSFET Switch

75 mΩ Internal Synchronous LS MOSFET Switch

Cycle-by-Cycle Over Current Protection

  • Spec
    WD1502F
  • Vin Min(V)
    4.5
  • Vin Max(V)
    28
  • Iq(uA)
    60
  • Input OVP(V)
    NA
  • Output Current / Current Limit(A)
    2
  • Freqency (KHz)
    650
  • Output OVP(V)
    NA
  • PFM Mode at Light Load
    YES