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Product Detailed Parameters
- Description：IC REG LINEAR 15V 1.5A D2PAK
- Series：-
- Mfr：STMicroelectronics
- Package：Tube
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：35V
- Voltage - Output (Min/Fixed)：15V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：2V @ 1A (Typ)
- Current - Output：1.5A
- Current - Quiescent (Iq)：6 mA
- Current - Supply (Max)：-
- PSRR：58dB (120Hz)
- Control Features：-
- Protection Features：Over Temperature, Short Circuit
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
- Supplier Device Package：D2PAK
- Grade：-
- Qualification：-
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Overview
The L7815ABD2T is a three-terminal positive linear voltage regulator from the STMicroelectronics L78xx series. It provides a fixed 15V output with a maximum input voltage of 35V and supports up to 1.5A output current when equipped with adequate heat sinking. The device operates within a temperature range of 0°C to +125°C and features internal protections including current limiting, thermal shutdown, and safe area protection. It is housed in a surface-mount D2PAK package.
Feature Summary
- Provides local on-card regulation to eliminate distribution problems associated with single-point regulation.
- Integrates internal current limiting, thermal shutdown, and safe area protection for robust operation.
- Capable of delivering over 1A output current with sufficient thermal management.
Applications
- Local card regulation
- General-purpose power supplies
- Battery chargers
Procurement Notes
Verify the specific suffix 'TR' against the requested model 'L7815ABD2T'. Official documentation indicates that the 'TR' suffix denotes tape-and-reel packaging, whereas the base part number may refer to other packaging options such as tubes or trays. Confirm the required packaging format with the supplier to ensure compatibility with automated assembly processes.
Selection Notes
Select this component for applications requiring a fixed 15V output in a compact surface-mount form factor. Ensure the design includes appropriate heat sinking to handle the power dissipation associated with high load currents, as the device can deliver over 1A under these conditions. Verify that the input voltage does not exceed the 35V maximum rating.
Part Context
This component belongs to the L78xx series of three-terminal positive regulators. The series is available in various packages including TO-220, TO-220FP, D2PAK, and DPAK. These regulators are designed for wide-ranging applications due to their embedded protection features and ability to provide local regulation.
Replacement Considerations
Compatible substitutes include L7815ACD2T-TR and L7815ABV, which offer similar electrical characteristics but may differ in packaging type (e.g., TO-220 vs. D2PAK). Verify pinout and thermal requirements before substitution.
