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TCK305GNew Product

Load switch IC


Application Consumer equipment / Mobile equipment / USB power supply / SSD/DRAM power supply
Feature Wide range input voltage
Number of Circuits 1
Function Inrush current reducing / Reverse current blocking / Flag indicate
Protection Thermal shutdown / Under Voltage Lockout / Over Voltage Lockout
RoHS Compatible Product(s) (#) Available
Assembly bases Japan

Package Information

Toshiba Package Name WCSP9
Package Image WCSP9
Pins 9
Mounting mount-smd
Package Dimensions Visualizza

 Please refer to the link destination to check the detailed size.

Absolute Maximum Ratings

Characteristics Symbol Rating Unit
Maximum Output Current (DC) IOUT(DC) 3.0 A
Maximum Output Current (Pulse) IOUT(Pulse) 4.0 A
Power dissipation (Mounted on FR4 board(40mm×40mm)) PD 1.65 W
Input Voltage VIN 30 V

Electrical Characteristics

Characteristics Symbol Condition Value Unit
Operating Temperature Topr - -40 to 85
Operating Input Voltage (Max) VIN - 28 V
Operating Input Voltage (Min) VIN - 2.3 V
Quiescent current (ON state) (Typ.) IQ VIN=5V 130 μA
ON-resistance (Typ.) RON IOUT=-1A
VOUT rise time (Typ.) tr VIN=5V 2000 μs



Data sheet TCK305G Data sheet/Japanese [Nov,2015] (PDF: 550KB)
Data sheet TCK305G Data sheet/English [Nov,2015] (PDF: 338KB)
Reliability Information Reliability Data [Apr,2017] (PDF: 160KB)
Environment Information Certificate Regarding EU RoHS(2011/65/EU)Controlled Substances [Jan,2020] (PDF: 46KB) UPDATED
Environment Information Certificate on Content of SVHC of REACH [Jan,2020] (PDF: 47KB) UPDATED
Application Note Overcurrent Protection and Reverse Current Blocking of the Load Switch IC [Sep,2019] (PDF: 657KB)

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Orderable part number

Orderable part number
MOQ(pcs) Reliability
TCK305G,LF 5000 Yes


  • The Part Number column shows representative part numbers only, which may not be available for sale in the precise form shown. Each Part Number constitutes a product family which may contain multiple associated product configurations.
    (#) Under the RoHS Compatible Product(s) column, "Available" means at least one RoHS-Compatible product is available for sale in the corresponding product family. "None" means no RoHS Compatible product is available in that product family. For Toshiba's definitions of concepts related to the RoHS Directive and RoHS Compatibility, please click here.
    The RoHS compatibility information provided herein is to the best of Toshiba's knowledge and belief accurate as of the date Toshiba entered the information into this database. Information is subject to change at any time without notice.
    Please contact your Toshiba sales representative for detailed environmental information about each specific part number or product, such as RoHS compatibility or material content. Please use Toshiba products only in compliance with all applicable laws and regulations concerning the inclusion or use of controlled substances, including without limitation the RoHS Directive.TOSHIBA ASSUMES NO LIABILITY FOR DAMAGES OR LOSSES OCCURRING AS A RESULT OF NONCOMPLIANCE WITH APPLICABLE LAWS AND REGULATIONS.
  • Reliability data are provided for your reference only, please contact your Toshiba sales representative for detailed reliability information about each part number.
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