NR1620 Series
150mA 0.4V Output & Ultra-Low Supply Current Voltage Regulator

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  • Description

    The NR1620 series are a voltage regulator manufactured using a CMOS process with the output current of 150 mA.

    This device supports the VIN input voltage as low as 0.6 V and the output voltage as low as 0.4 V. This device can be used as a power supply for the core of a microcontroller, various interfaces, etc.

    In addition, the ultra-low quiescent current of 0.4 μA makes it suitable to use in systems that require low consumption and long time operation, such as battery-driven systems.

    NMOS power transistors are driven by a bias power input pin (VBIAS) independent of the power input pin (VIN) to achieve highly efficient regulation.

  • Spec
    Input Voltage Range VBIAS : 2.4 V to 5.5 V (6.5 V)
    VIN : 0.6 V to VBIAS (6.5 V)
    Operating Temperature Range -40°C to 85°C (125°C)
    Supply Current Typ. 0.4 µA
    Standby Current Typ. 4 nA
    Output Voltage Range 0.4 V to 1.2 V (0.1 V step)
    Output Voltage Accuracy Ta = 25°C : ±9.9 mV (0.4 V ≤ VSET ≤ 0.9 V), ±1.1% (0.9 V < VSET ≤ 1.2 V)
    -40°C ≤ Ta ≤ 85°C : ±18 mV (0.4 V ≤ VSET ≤ 0.9 V), ±2.0% (0.9 V < VSET ≤ 1.2 V)
    Dropout Voltage Typ. 150 mV (IOUT = 150 mA, VSET = 1.0 V, VBIAS = 2.4 V)
    Ripple Rejection Typ. 90 dB (f = 1 kHz, Ripple in VIN)
    Typ. 60 dB (f = 100 kHz, Ripple in VIN)
    Package DFN1212-6-GK, SOT-23-5-DC

    Protections / Functions

    TSD Reverse Current Limit ISC Inrush Constant Slope ECO mode Auto Discharge External Driver
  • Technical
    • Typical Application Circuit

      Typical Application
    • Quiescent Current

      Quiescent Current
  • Quality &
    • Refer to the datasheets for the details on the product.
    • The package file or the datasheet includes package dimensions, taping specifications, taping reels dimensions, power dissipations, and recommended land pattern.

Download Datasheet

Functional Description

TSD Thermal Shutdown Function
Reverse Current Protection Reverse Current Protection
Current Limit Overcurrent Protection
ISC Short Current Protection
Inrush Current Limit Inrush Current Protection
Constant Slope Constant Slope Function
ECO mode ECO Function
Auto Discharge Auto Discharge Function
External Driver External Output Driver Transistor

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