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R5528 Series
Overvoltage Protection Switch IC with Reverse Bias Blocking

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Description

The R5528 Series are CMOS-based overvoltage protection switch ICs with reverse bias blocking. The R5528 uses an NMOS pass transistor to achieve low on resistance (Typ. 54mΩ). Overvoltage protection threshold is preset to 6.8V ±3%. Also, continuous current capability is up to 3A. The R5528 consists of a reverse current protection circuit, a soft-start circuit, a startup debounce circuit, an under-voltage lockout (UVLO) circuit, and a thermal shutdown circuit. A 1.27mm square compact WLCSP-9-P1 achieves high density mounting on board.

Spec

Standard
Input Voltage Range 2.3 V to 36.0 V (40.0 V)
Operating Temperature Range -40°C to 85°C (125°C)
Supply Current Typ. 50 µA
Standby Current Typ. 1.0 µA
Output Current Max. 3 A
ON-resistance 54 mΩ (VIN = 5.0 V, IOUT = 100 mA)
Internal FET Nch
Package WLCSP-9-P1
OVP Threshold Accuracy 6.8 V±3%
Startup Debounce Function 15 ms
Thermal Shutdown 150°C

Download Datasheet

Protections / Functions

TSD Reverse OCP UVLO OVLO Soft Start PGOOD Auto Discharge Reset

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

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

Search for similar products under conditions below.

Category:Switch ICs

Features External Power SW,OVP SW
VIN
min (V)		 2.3
VIN
max (V)		 36.0
ON Resistance
(mΩ)		 54
IOUT
(mA)		 3000

Technical Documents

  • Typical Application

    Typical Application

  • Timing Chart

    Timing Chart

Quality & Packages

Product Name Compatibility Package Marking Reliability
R5528Z001A-E2-F
  • gradeConsumer
  • plp
 WLCSP-9-P1 R5528Z R5528Z-F
  • 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.

FAQ

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R5528 Series