RP155 Series
200 mALDO Regulator with Alternative Dual-Voltage Level Output

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  • Description

    The RP155 is a 200-mA LDO regulator with a selectable dual-voltage level output. It provides the VSEL pin that is used to select one of two preset output voltage levels.

    Excellent ripple rejection, input transient response, and load transient response make the RP155 ideal for the application for mobile communication equipment. For protection, the RP155 provides a short-current limiting circuit, a thermal shutdown circuit and an inrush current limiting circuit.

    The RP155 is offered in a 5-pin WLCSP-5-P1 package which achieves the smallest possible footprint solution on boards where area is limited.

  • Spec
    Input Voltage Range 1.9 V to 5.25 V (6.0 V)
    Operating Temperature Range -40°C to 85°C (125°C)
    Supply Current Typ. 80 µA
    Standby Current Typ. 0.1 µA
    Output Voltage Range 1.6 V to 3.6 V (0.1 V step)
    Output Voltage Accuracy ±1.0% (Ta = 25°C)
    Output Voltage Temperature Coefficient Typ. ±30 ppm/°C
    Dropout Voltage Typ. 0.085 V (IOUT = 200 mA, VSET = 2.5 V)
    Line Regulation Typ. 0.02%/V
    Output Current 200 mA
    Ripple Rejection Typ. 75 dB (f = 1 kHz)
    Typ. 70 dB (f = 10 kHz)
    Package WLCSP-5-P1

    Protections / Functions

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

      Typical Application

    • 1.8 V (VSET1/ VSET2) Output Voltage vs. Output Current

      1.8 V (VSET1/ VSET2) Output Voltage vs. Output 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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min (V)
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Functions Auto Discharge