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NEX30606UA

NEX30606UA Production

1.8 V to 5.0 V, 600 mA, 220 nA ultra-low quiescent current, step-down converter

The NEX30606 is a high-efficiency step-down converter with ultra-low operating quiescent current of typically 220 nA.

The device uses COT control (Constant On Time) to achieve low power consumption mode and fast transient, operates with a switching frequency of 1.5 MHz. At light load conditions, it seamlessly enters Power Save Mode to reduce switching cycles and maintain high efficiency.

Output voltage can be configured by VSET pin. For 1.8 V output, connects the VSET pin to GND. For other output voltages, connects resistor to VSET pin following values in table 5. Sixteen internally set voltages can be selected.

The NEX30606 provides an output current up to 600 mA. With input voltage up to 5.0 V, the devices supports multiple sources such as 2S to 3S Alkaline, 1S Li-MnO2, 1S Li-ion/Li-SOCL2.

The NEX30606 device series comes in a tiny 6-pin WLCSP package with 0.35-mm pitch.
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Product details

Features and benefits

  • 220 nA operating quiescent current
  • Input voltage range VVIN from 1.8 V to 5.0 V
  • Output current up to 600 mA
  • 16 selectable fixed output voltages
  • 2% output voltage accuracy
  • Output discharge
  • Constant on time control
  • >90% efficiency at IOUT = 1 mA (VVIN = 3.6 V to VOUT = 1.8 V)
  • >92.8% efficiency at IOUT = 300 mA (VVIN = 3.6 V to VOUT = 1.8 V)
  • Pseudo-fixed 1.5 MHz switching frequency
  • Enable pin

  • WLCSP6 (SOT8055-1) package option

  • ESD protection:

    • HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V

    • CDM: ANSI/ESDA/JEDEC JS-002 class C2a exceeds 500 V

  • Specified from Tj = -40 °C to +85 °C and -40 °C to +125 °C

Applications

  • Wearable electronics
  • Smart meters
  • Asset tracking device
  • Medical sensor patches and monitor
  • Industrial IOT/Narrowband (NB)-IOT
  • 3 x AA battery powered applications
Figure 1. Typical application

VOUT = 1.8 V; RSET = 21.5 kΩ; L = 2.2 µH

(1) VVIN = 2.5 V; (2) VVIN = 3.3 V;

(3) VVIN = 3.6 V; (4) VVIN = 4.2 V;

(5) VVIN = 5.0 V;

Figure 2. Efficiency versus load current

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Longevity

The Nexperia Longevity Program is aimed to provide our customers information from time to time about the expected time that our products can be ordered. The NLP is reviewed and updated regularly by our Executive Management Team. View our longevity program here.

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Interactive datasheet

How does it work?

The interactive datasheets are based on the Nexperia MOSFET precision electrothermal models. With our interactive datasheets you can simply specify your own conditions interactively. Start by changing the values of the conditions. You can do this by using the sliders in the condition fields. By dragging the sliders you will see how the MOSFET will perform at the new conditions set.

Interactive datasheet