Maxim Integrated MAXM17625/MAXM17626 uSLIC™ Step-Down Power Modules

Maxim Integrated MAXM17625/MAXM17626 uSLIC™ Step-Down Power Modules are high-frequency Himalaya synchronous step-down DC-DC modules with integrated MOSFETs, compensation components, and inductors. The MAXM17625 and MAXM17626 support up to 600mA load current and allow the use of small, low-cost input and output capacitors. The Modules operate over a wide 2.7V to 5.5V input voltage range. The output voltage is adjustable from 0.8V to 3.3V.

The Maxim MAXM17625 and MAXM17626 Power Modules utilize a peak-current-mode control architecture under steady-state operation. The Modules feature selectable PWM or PFM mode of operation at light loads. When PWM mode is selected, MAXM17625 operates at a fixed 2MHz switching frequency, and MAXM17626 runs at a fixed 4MHz switching frequency. MAXM17625 offers output voltages from
0.8V to 1.5V and MAXM17626 offers output voltages from 1.5V to 3.3V.

The MAXM17625 and MAXM17626 modules are housed in a low profile, compact 10-pin, 2.6mm x 2.1mm x 1.3mm, uSLIC package.

Typical Application Circuit


  • Easy to use
    • 2.7V to 5.5V Input
    • Adjustable 0.8V to 3.3V output
    • ±1% Feedback accuracy
    • Up to 600mA output current
    • Fixed 2MHz or 4MHz operation
    • 100% Duty-cycle operation
    • Internally compensated
    • All ceramic capacitors
  • High efficiency
    • Selectable PWM- or PFM- mode of operation
    • Shutdown current as low as 0.1μA (typ)
  • Flexible design
    • Internal soft-start and prebias startup
    • Open-Drain Power Good Output (PGOOD Pin)
  • Robust operation
    • Overtemperature protection
    • -40°C to + 125°C Ambient operating temperature/-40°C to +150°C junction temperature
  • Rugged
    • JESD22-B103, B104, B111 passes drop, shock, and vibration standards

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