STMicroelectronics

L7805CDT

L7805CDT Description

The L7805CDT is a linear voltage regulator IC manufactured by STMicroelectronics. It is designed to provide a stable 5V output with a maximum output current of 1.5A. The device is housed in a DPAK package and is surface-mountable. The L7805CDT is now considered obsolete, but it still has applications in various electronic systems.

L7805CDT Features

• Output Type: Fixed
• Voltage - Input (Max): 35V
• Current - Output: 1.5A
• Number of Regulators: 1
• Output Configuration: Positive
• Product Status: Obsolete
• Supplier Device Package: DPAK
• REACH Status: REACH Unaffected
• Mfr: STMicroelectronics
• Voltage - Output (Min/Fixed): 5V
• Voltage Dropout (Max): 2V @ 1A (Typ)
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Operating Temperature: 0°C ~ 125°C
• Current - Quiescent (Iq): 8 mA
• PSRR: 62dB (120Hz)
• ECCN: EAR99
• Mounting Type: Surface Mount
• Protection Features: Over Temperature, Short Circuit
• HTSUS: 8542.39.0001
• Package: Tube
• Base Product Number: L7805

The L7805CDT offers several advantages over similar models, including a low dropout voltage of 2V at 1A, which ensures stable operation even with low input voltages. Its 62dB PSRR at 120Hz provides excellent noise rejection, making it suitable for applications where noise immunity is critical. The device also features over-temperature and short-circuit protection, enhancing its reliability and safety.

L7805CDT Applications

The L7805CDT is ideal for various applications where a stable 5V output is required, such as:

1. Power supplies for electronic devices
2. Battery-powered systems
3. Telecommunications equipment
4. Industrial control systems
5. Automotive electronics

Its ability to handle up to 1.5A output current makes it suitable for powering devices with moderate power requirements. The L7805CDT's low dropout voltage and noise rejection capabilities also make it a good choice for applications where power integrity and noise immunity are critical.

Conclusion of L7805CDT

Although the L7805CDT is now considered obsolete, it remains a reliable and cost-effective solution for applications requiring a stable 5V output with up to 1.5A current. Its low dropout voltage, excellent noise rejection, and built-in protection features make it suitable for a wide range of electronic systems. While newer models may offer additional features and improved performance, the L7805CDT remains a solid choice for applications where these features are not critical.