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Product Detailed Parameters
- Description：IC REG LINEAR 10V 500MA DPAK
- Series：-
- Mfr：STMicroelectronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：35V
- Voltage - Output (Min/Fixed)：10V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：-
- Current - Output：500mA
- Current - Quiescent (Iq)：6 mA
- Current - Supply (Max)：-
- PSRR：56dB (120Hz)
- Control Features：-
- Protection Features：Over Current, Over Temperature, Short Circuit
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：TO-252-3, DPAK (2 Leads + Tab), SC-63
- Supplier Device Package：DPAK
- Grade：-
- Qualification：-
Download product information
Overview
The L78M10ABDT-TR is a three-terminal positive linear voltage regulator from the STMicroelectronics L78MxxA series, housed in a surface-mount DPAK package. It provides a fixed output voltage of 10 V with an output current capability up to 0.5 A. The device features ±2% output voltage tolerance and operates within an extended temperature range of -40 °C to +125 °C. Key electrical parameters include a maximum input voltage of 35 V, a typical quiescent current of 6 mA, and a dropout voltage of approximately 2 V at room temperature.
Feature Summary
- Integrated thermal overload protection that shuts down the circuit during excessive power conditions
- Internal short-circuit protection limits maximum output current to prevent damage
- Output transistor safe-area protection reduces output current as voltage across the pass transistor increases
Applications
- Local on-card regulation for electronic circuits
- Distribution systems requiring stable fixed voltage sources
- Adjustable voltage and current configurations using external components
Procurement Notes
Verify the specific ordering suffix against official manufacturer documentation to confirm package type and environmental compliance grade. Ensure the procurement channel sources directly from authorized distributors or the manufacturer to guarantee component authenticity and traceability. Cross-reference the part number with the latest datasheet revision to validate technical specifications before integration into designs.
Selection Notes
Select this component when a fixed 10 V output is required with moderate current demands up to 0.5 A. The DPAK package is suitable for surface-mount applications where space constraints exist. Consider the thermal resistance characteristics and ensure adequate heat sinking if operation approaches the maximum current limit or ambient temperatures are high.
Part Context
This device belongs to the L78MxxA family of precision regulators, which offers various fixed output voltages including 5, 6, 8, 9, 10, 12, 15, and 24 V. The 'A' designation indicates enhanced performance features such as tighter voltage tolerance and guaranteed operation in extended temperature ranges compared to standard variants.
Replacement Considerations
L78M10ACDT-TR (AC version with 0 to 125 °C operating range)
FAQ
What is the maximum input voltage for the L78M10ABDT-TR?
The absolute maximum DC input voltage is 35 V for output voltages between 5 V and 18 V.
Does the L78M10ABDT-TR require external compensation capacitors?
In many low-current applications, compensation capacitors are not required. However, an input bypass capacitor is recommended if connected via long wires or if the load capacitance is large.
