ChipApex | Global Electronic Components Supplier
SEARCH
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：IC REG LINEAR 5V 3A TO220
- Series：-
- Mfr：STMicroelectronics
- Package：Tube
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：14V
- Voltage - Output (Min/Fixed)：5V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：0.7V @ 3A
- Current - Output：3A
- Current - Quiescent (Iq)：50 mA
- Current - Supply (Max)：100 mA
- PSRR：64dB (120Hz)
- Control Features：-
- Protection Features：Over Current, Over Temperature
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Through Hole
- Package / Case：TO-220-3
- Supplier Device Package：TO-220
- Grade：-
- Qualification：-
Download product information
Overview
The LD29300V50 is a fixed-output low-dropout voltage regulator providing a nominal 5.0 V output with ±1% tolerance at 25 °C. It guarantees an output current up to 3 A and features a typical dropout voltage of 0.4 V at full load. The device operates within a DC input voltage range up to 30 V, though automatic shutdown occurs above 14 V. It includes internal current and thermal limiting protection and supports logic-controlled electronic shutdown in specific packages.
Feature Summary
- Guarantees high output current capability up to 3 A for demanding loads
- Provides very low dropout voltage characteristics for efficient power regulation
- Features internal current and thermal limit protections for system safety
Applications
- Power supply switching post regulation
- Series power supply for monitors
- Computer systems
- Battery powered systems
Procurement Notes
Verify the exact package type (TO-220) against design requirements as the datasheet lists multiple variants. Confirm that the input voltage does not exceed 14 V to prevent unintended automatic shutdown. Ensure compatibility with the required output capacitor specifications for stability. Check for availability of the specific suffix corresponding to the desired packaging format.
Selection Notes
Select this component when a stable 5 V rail is required for high-current applications. Consider the TO-220 package for through-hole mounting needs. Evaluate thermal resistance values if operating near maximum current limits. Verify that the input voltage remains below the 14 V threshold to maintain continuous operation without triggering protective shutdown mechanisms.
Part Context
This part belongs to the LD29300xx series of high-current, high-accuracy low-dropout regulators. The series offers various fixed output voltages including 1.5 V, 1.8 V, 2.5 V, 3.3 V, 8.0 V, and an adjustable version. All variants share common features such as low ground current and robust protection circuits.
Replacement Considerations
LD29300D2M50R
FAQ
What happens if the input voltage exceeds 14 V?
The device automatically enters a shut-down state if the DC input voltage exceeds 14 V.
Is the output voltage adjustable?
No, the LD29300V50 provides a fixed 5.0 V output. An adjustable version exists within the series but uses a different part number.
