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LS12052BD33
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Product Detailed Parameters
- Description：18V/5A LOAD SWITCH W/ BFET CONTR
- Series：-
- Mfr：Littelfuse Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Type：General Purpose
- Number of Outputs：1
- Ratio - Input:Output：1:01
- Output Configuration：High Side
- Output Type：N-Channel
- Interface：On/Off
- Voltage - Load：2.7V ~ 18V
- Voltage - Supply (Vcc/Vdd)：Not Required
- Current - Output (Max)：3.6A
- Rds On (Typ)：25mOhm
- Input Type：Non-Inverting
- Features：Load Discharge, Slew Rate Controlled
- Fault Protection：Current Limiting (Adjustable), Over Load, Over Temperature, Over Voltage, Short Circuit, UVLO
- Operating Temperature：125°C (TJ)
- Mounting Type：Surface Mount
- Supplier Device Package：10-DFN (3x3)
- Package / Case：10-WFDFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The LS12052BD33 is an integrated load switch from Littelfuse designed for system power distribution and circuit protection. It operates with a maximum input voltage of 18V and supports a continuous current of 5A. The device features over-voltage protection and includes a built-in blocking FET (BFET) control mechanism to prevent reverse current flow from the load to the source. Packaged in a compact 10-DFN (3mm x 3mm) footprint, it minimizes external component requirements while providing robust protection against electrical faults in power supply lines.
Feature Summary
- Integrated blocking FET control prevents reverse current flow from load to source
- Built-in over-voltage protection safeguards connected systems
- Compact 10-DFN package reduces board space requirements
Applications
- Industrial eFuse modules
- Power distribution switches
- System circuit protection
Procurement Notes
Verify the exact part marking '12052B' on the component body to confirm authenticity. Ensure the datasheet specifies the 18V/5A rating for your specific application needs. Confirm the 10-DFN package dimensions match your PCB layout constraints before finalizing procurement decisions.
Selection Notes
Select this component when reverse current blocking and over-voltage protection are required in a single integrated solution. The 5A current rating suits moderate power applications. Consider the 18V maximum input limit to ensure compatibility with your system's voltage levels. The small DFN package is ideal for space-constrained designs.
Part Context
This device belongs to the LS12052BD33 series of integrated load switches. It is commonly utilized in industrial eFuse solutions, such as the MIKROE eFuse 7 Click board. The series provides a simplified approach to power distribution by integrating protection features that typically require multiple discrete components.
Replacement Considerations
Consult official Littelfuse documentation for verified substitute part numbers within the LS12052BD33 family or compatible eFuse series. Do not assume cross-compatibility with other manufacturers' devices without verifying pinout and electrical specifications.
