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Product Detailed Parameters
- Description：IC REG LINEAR 15V 100MA 8-SOIC
- 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)：15V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：-
- Current - Output：100mA
- Current - Quiescent (Iq)：6 mA
- Current - Supply (Max)：6.5 mA
- PSRR：39dB (120Hz)
- Control Features：-
- Protection Features：Over Current, Over Temperature, Short Circuit
- Operating Temperature：0°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
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Overview
The L78L15ACD13TR is a three-terminal positive linear voltage regulator from the STMicroelectronics L78L series, housed in an SO-8 surface-mount package. It provides a fixed nominal output voltage of 15 V with a maximum output current capability of 100 mA. The device supports a DC input voltage range up to 35 V and operates within a junction temperature range of 0 °C to 125 °C. It features internal thermal overload protection and short-circuit protection.
Feature Summary
- Integrates internal current limiting and thermal shutdown mechanisms for robust operation under fault conditions.
- Functions as a direct replacement for Zener diode and resistor combinations, offering improved stability and lower noise.
- Requires no external components for basic regulation, simplifying circuit design.
Applications
- Local or on-card voltage regulation
- Elimination of noise associated with single-point regulation
- Replacement for discrete Zener diode/resistor networks
Procurement Notes
Verify that the specific ordering suffix 'D13TR' corresponds to the SO-8 tape-and-reel packaging configuration. Confirm the 'A' designation indicates the ±4% output voltage tolerance selection. Ensure compatibility with standard SO-8 footprint dimensions and thermal requirements for the target application environment.
Selection Notes
Select this component when a fixed 15 V output is required with up to 100 mA load current in a compact surface-mount form factor. Consider the SO-8 package's thermal resistance characteristics and ensure adequate copper area on the printed circuit board for heat dissipation to maintain performance within the specified operating temperature range.
Part Context
This part belongs to the L78Lxx family of low-power three-terminal positive regulators manufactured by STMicroelectronics. The series is designed for general-purpose voltage regulation applications where moderate current capabilities and high reliability are prioritized over ultra-low dropout performance.
Replacement Considerations
Compatible substitutes include other manufacturers' L78L15 variants in SO-8 packages, such as the UA78L15ACPK from Texas Instruments, provided pinout and electrical specifications match.
