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R5527 Series
Battery Power Line Switch IC (Load Switch IC) with Soft Start Function

Download Datasheet

  • Description

    The R5527 is an N-channel load switch IC with low supply current, Typ. 40μA. R5527 realizes low on-resistance by using Nch transistor for the driver. In addition, R5527K001x has a reverse current blocking function at on/off state, and R5527K002x has a reverse current blocking function at off state. The R5527 is an ideal load switch IC to supply power from the battery to the load circuit. The R5527 is available in an ultra-small DFN(PL)1612-4D package which can achieve high-density mounting on boards.

  • Spec
    Input Voltage Range 1.8 V to 5.5 V (6.0 V)
    Operating Temperature Range -40°C to 85°C (125°C)
    Supply Current Typ. 40 µA
    Standby Current Typ. 1 µA (R5527K001A/C), Typ. 0.5 µA (R5527K00xB/D)
    Output Current Max. 3 A
    ON-resistance 48 mΩ (VIN = 5 V)
    46 mΩ (VIN = 4.5 V)
    45 mΩ (VIN = 3.8 V)
    68 mΩ (VIN = 1.8 V)
    Internal FET Nch
    Package DFN(PL)1612-4D
    Slew Rate/Inrush Control with tR Min. 1.5 ms
    Reverse Current Blocking (RCB) At Off/On-State (R5527K001x)
    At Off-State (R5527K002x)

    Protections / Functions

    TSD Reverse OCP UVLO OVLO Soft Start PGOOD Auto Discharge Reset
  • Technical
  • 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
OCP Overcurrent Protection
UVLO Undervoltage Lockout Protection
OVLO Overvoltage Lockout Protection
Soft Start Soft Start Function
PGOOD Power Good Output
Auto Discharge Auto Discharge Circuit

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Category:Switch ICs

Features Load SW,Battery Line SW
min (V)
max (V)
ON Resistance