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MDC3105LT1H
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Product Detailed Parameters
- Description：RELAY DRIVER, 5.0 V
- Series：-
- Mfr：onsemi
- Package：Bulk
- Switch Type：Relay, Solenoid Driver
- Number of Outputs：1
- Ratio - Input:Output：1:01
- Output Configuration：Low Side
- Output Type：Bipolar
- Interface：Logic
- Voltage - Load：6V
- Voltage - Supply (Vcc/Vdd)：Not Required
- Current - Output (Max)：500mA
- Rds On (Typ)：-
- Input Type：Non-Inverting
- Features：-
- Fault Protection：-
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Supplier Device Package：SOT-23-3 (TO-236)
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Grade：-
- Qualification：-
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Overview
The MDC3105LT1H is an integrated relay and inductive load driver manufactured by onsemi. It replaces arrays of three to six discrete components with a single surface-mount device. The IC features a bipolar output configuration with a maximum load voltage of 6V and a continuous output current capability of 500mA. It operates within a temperature range of -40°C to +85°C. The component is housed in a compact SOT-23-3 (TO-236) package, designed for low-side switching applications without requiring a separate Vcc supply.
Feature Summary
- Integrates multiple discrete components into a single SMT package
- Provides bipolar output drive for inductive loads
- Operates without external supply voltage requirements
Applications
- Relay driving circuits
- Solenoid actuation systems
- Inductive load control interfaces
Procurement Notes
Verify the specific suffix 'H' against official onsemi documentation, as standard listings often reference MDC3105LT1 or MDC3105LT1G. Confirm RoHS compliance status, as some variants in this series are noted as non-compliant. Check product lifecycle status, as related models have been marked as obsolete. Ensure the ordering part number matches the exact pinout and electrical specifications required for the design.
Selection Notes
Select this component for designs requiring a compact solution to replace discrete relay driver arrays. It is suitable for low-voltage, low-current inductive loads up to 500mA. Consider the SOT-23-3 package constraints for PCB layout. Verify that the 6V maximum load voltage meets the application requirements. Compare against the MDC3105LT1G variant for potential availability differences.
Part Context
The MDC3105LT1H belongs to the MDC3105 series of integrated power drivers from onsemi. This series is categorized under Power Management ICs (PMIC) specifically as distribution switches and load drivers. The family is designed to simplify circuit design by consolidating functions typically performed by multiple discrete transistors and protection diodes into a single reliable semiconductor device.
Replacement Considerations
The MDC3105LT1G is a documented variant within the same series. Verify if the 'H' suffix denotes a specific tape-and-reel packaging or environmental compliance difference compared to the standard LT1 or LT1G versions before substitution.
