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L4805CV
Fixed Positive Voltage
L4805CV
Fixed Positive Voltage
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Manufacturer Part # : L4805CV
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Package/Case: TO-220
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Brand: Stmicroelectronics Nv
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Product Categories : Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
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Service & Packaging
Service & Packaging
About After Sales Service
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Initiate the application within 90 days from the shipment date.
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L4805CV DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
The L4805CV is a voltage regulator IC that is capable of delivering a fixed output voltage of 5V with a maximum output current of 2A. This IC is designed to be used in various applications that require a stable and reliable power supply. The L4805CV features a built-in thermal shutdown mechanism that protects the IC from overheating, ensuring safe operation even under high load conditions. It also has a short-circuit protection feature that limits the output current in case of a short circuit, preventing damage to the IC and the connected circuitry.With a wide input voltage range of 2.5V to 40V, the L4805CV is versatile and can be used with a wide variety of input sources. It also has a low dropout voltage of 1.5V, which means that it can regulate the output voltage even when the input voltage is close to the desired output voltage.The L4805CV comes in a compact TO-220 package, making it easy to integrate into various electronic circuits.
Key Features
- 5V fixed output voltage
- 2A output current capability
- Very low drop voltage (0.6V max)
- Thermal shutdown and short circuit protection
- Internal current and thermal limit
- Adjustable output version (Vref= 1.23V)
Application
- Power management in industrial applications
- Battery charger circuits
- DC-DC converters
- Digital cameras
- Instrumentation and measurement equipment
- Motor control systems
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Product Category ! | Linear Voltage Regulators | RoHS | N |
| Mounting Style | Through Hole | Package / Case | TO-220 |
| Series | L4805 | Brand | STMicroelectronics |
| Product Type ! | Linear Voltage Regulators | Factory Pack Quantity | 50 |
| Subcategory | PMIC - Power Management ICs | Unit Weight | 0.081130 oz |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is L4805CV?
The L4805CV is a low-dropout voltage regulator designed by STMicroelectronics. It is used to regulate and stabilize the output voltage of a power supply even when the input voltage is close to the output voltage, making it ideal for applications where a stable voltage supply is critical.
How Does L4805CV Work?
The L4805CV operates by comparing the output voltage to a reference voltage and adjusting the pass transistor to maintain a constant output voltage. It ensures a stable output voltage even with varying input voltages and loads, making it suitable for powering sensitive electronic components.
How Many Pins does L4805CV have and What are the Functions of the Pinout Configuration?
The L4805CV is available in a TO-220 package with 3 pins. The pinout configuration includes:
- IN: Input voltage pin.
- OUT: Output voltage pin.
- GND: Ground pin.
What are the Pros and Cons of L4805CV?
Pros:
- Low Dropout Voltage: Provides a stable output voltage even with small input-output voltage differentials.
- High Accuracy: Offers precise voltage regulation for sensitive applications.
- Thermal Protection: Includes thermal shutdown protection to prevent overheating.
- Short-Circuit Protection: Protects the regulator and connected components from damage in case of a short circuit.
- Simple Design: Easy to implement in various circuit designs.
Cons:
- Heat Dissipation: May require a heat sink for efficient heat dissipation in high current applications.
- Voltage Drop: Exhibits a small voltage drop across the regulator which may affect efficiency in some scenarios.
- Minimum Load Requirement: Requires a minimum load current to maintain stability and regulation.
Are There Any Equivalents/Alternatives to L4805CV for Recommendation?
- The LM2940 from Texas Instruments and the LT1085 from Analog Devices are potential alternatives to the L4805CV.
- Equivalents to the L4805CV include the NCP1117 from ON Semiconductor and the TPS763 from Texas Instruments.
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