NIS5020, NIS5021, NIS5820 +12 Volt Electronic Fuse The NIS5x2x Series eFuse is a cost effective, resettable fuse which can greatly enhance the reliability of a hard drive or other circuit from both catastrophic and shutdown failures. It is designed to buffer the load device from excessive input voltage which can damage sensitive circuits. It includes an overvoltage clamp www.onsemi.com circuit that limits the output voltage during transients but does not shut the unit down, thereby allowing the load circuit to continue its operation. Features 14 m and 24 m Typical R Options 1 DS(on) Tristate Enable WDFN10 4x4 WDFN10 3x3 CASE 511DS CASE 522AA Overcurrent Protection Thermally Protected Integrated SoftStart Circuit MARKING DIAGRAM Fast Response Overvoltage Clamp Circuit Internal Undervoltage Lockout Circuit XXXXXX XXXXXX Internal Charge Pump ALYW NIS5020 and NIS5820 in WDFN10 3x3 NIS5021 in WDFN10 4x4 XXXX = Specific Device Code Hot Pluggable = (See ORDERING INFORMATION = table below) ESD HBM Rating: 1.5 kV A = Assembly Location ESD CDM Rating: 1.0 kV L = Wafer Lot Y = Year These Devices are PbFree, Halogen Free/BFR Free and are RoHS W = Work Week Compliant = PbFree Package Typical Applications (Note: Microdot may be in either location) Hard Drives Solid State Drives PIN CONNECTIONS Servers 1 Mother Boards GND Source Fan Drives dV/dt Source Enable/Fault V Source CC Source I LIMIT NC Source WDFN10 (Top View) ORDERING INFORMATION See detailed ordering and shipping information on page 11 of this data sheet. Semiconductor Components Industries, LLC, 2016 1 Publication Order Number: July, 2019 Rev. 3 NIS5020/DNIS5020, NIS5021, NIS5820 Vcc Charge Enable/Fault Enable/Fault Pump Source Current I LIMIT Limit Thermal Shutdown Voltage dv/dt dV/dt Clamp Control UVLO GND Figure 1. Block Diagram www.onsemi.com 2