Overview
The L78S10CV is a 2 A positive voltage regulator IC produced by STMicroelectronics. It is part of the L78S series, which offers several fixed output voltages, making it versatile for various applications. This regulator is packaged in a TO-220 package and is designed to provide local on-card regulation, eliminating distribution problems associated with single-point regulation. The L78S10CV is particularly useful for its ability to deliver up to 2 A of output current, internal current limiting, thermal shutdown, and safe area protection, making it essentially indestructible with adequate heat sinking.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 9.5 - 10.5 | V |
| Output Current | Up to 2 A | A |
| Input Voltage (for VO = 10V) | 13 - 35 | V |
| Quiescent Current | 8 mA | mA |
| Line Regulation | 100 - 200 mV | mV |
| Load Regulation | 150 - 240 mV | mV |
| Output Noise Voltage | 65 µV | µV |
| Supply Voltage Rejection | 47 dB | dB |
| Thermal Resistance Junction-Case | 5 °C/W | °C/W |
| Thermal Resistance Junction-Ambient | 50 °C/W | °C/W |
| Operating Junction Temperature Range | 0 to 150 °C | °C |
| Package Type | TO-220-3 | |
| Dimensions | 10.4 x 4.6 x 9.15 mm | mm |
Key Features
- Output current up to 2 A
- Fixed output voltage of 10 V
- Thermal protection and short circuit protection
- Output transition SOA protection
- Internal current limiting and safe area protection
- Can be used with external components for adjustable voltages and currents
- High supply voltage rejection and low output noise voltage
Applications
The L78S10CV is suitable for a wide range of applications, including:
- Local on-card regulation in electronic devices
- Power supplies for industrial and consumer electronics
- Automotive systems requiring stable voltage regulation
- Medical devices needing reliable power supply
- Telecommunication equipment and networking devices
Q & A
- What is the output voltage of the L78S10CV?
The output voltage of the L78S10CV is 10 V, with a tolerance range of 9.5 to 10.5 V.
- What is the maximum output current of the L78S10CV?
The maximum output current of the L78S10CV is up to 2 A.
- What are the input voltage requirements for the L78S10CV?
The input voltage for the L78S10CV ranges from 13 V to 35 V.
- Does the L78S10CV have thermal protection?
Yes, the L78S10CV includes thermal protection and short circuit protection.
- What is the package type of the L78S10CV?
The L78S10CV is packaged in a TO-220-3 package.
- What are the dimensions of the L78S10CV?
The dimensions of the L78S10CV are 10.4 x 4.6 x 9.15 mm.
- Can the L78S10CV be used for adjustable voltage regulation?
Yes, the L78S10CV can be used with external components to obtain adjustable voltages and currents.
- What is the quiescent current of the L78S10CV?
The quiescent current of the L78S10CV is approximately 8 mA.
- What is the operating junction temperature range of the L78S10CV?
The operating junction temperature range of the L78S10CV is from 0 to 150 °C.
- What are some common applications of the L78S10CV?
The L78S10CV is commonly used in power supplies, industrial and consumer electronics, automotive systems, medical devices, and telecommunication equipment.
