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LM7905C
3-Terminal 1A Negative Voltage Regulator
LM7905C
3-Terminal 1A Negative Voltage Regulator
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Service & Packaging
Service & Packaging
About After Sales Service
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LM7905C 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
General DescriptionThe LM79XX series of 3-terminal regulators is available with fixed output voltages of b5V, b8V, b12V, and b15V. These devices need only one external componentÐa com pensation capacitor at the output. The LM79XX series is packaged in the TO-220 power package and is capable of supplying 1.5A of output current.Features Thermal, short circuit and safe area protection High ripple rejection 1.5A output current 4% tolerance on preset output voltage
Key Features
- Thermal, short circuit and safe area protection
- High ripple rejection
- 1.5A output current
- 4% tolerance on preset output voltage
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Manufacturer | Fairchild Semiconductor | Product Category ! | Linear Voltage Regulators |
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 LM7905C?
The LM7905C is a negative voltage regulator integrated circuit manufactured by Texas Instruments. It is part of the LM79xx series of regulators and specifically provides a constant output voltage of -5 volts.
How Does LM7905C Work?
The LM7905C operates by taking an input voltage and regulating it to a stable output voltage of -5 volts. It uses internal circuitry to adjust the output voltage based on the input and maintain the desired output regardless of changes in input or load conditions.
How Many Pins does LM7905C have and What are the Functions of the Pinout Configuration?
The LM7905C typically comes in a TO-220 package with three pins:
- Input (VIN): This pin is connected to the input voltage that needs to be regulated.
- Ground (GND): This pin is the ground reference for the regulator.
- Output (VOUT): This pin provides the regulated output voltage of -5 volts.
What are the Pros and Cons of LM7905C?
Pros:
- Regulated Output: Provides a stable output voltage of -5 volts.
- Easy to Use: Simple three-pin configuration for ease of integration.
- Overload Protection: Built-in protection features to safeguard the regulator and the connected components.
Cons:
- Fixed Output Voltage: The LM7905C has a fixed output voltage of -5 volts, limiting flexibility in some applications.
- Heat Dissipation: May require a heat sink for efficient heat dissipation, especially at higher load currents.
- Dropout Voltage: Requires a minimum input-output voltage differential to operate properly.
Are There Any Equivalents/Alternatives to LM7905C for Recommendation?
- The MC7905 from ON Semiconductor is an equivalent negative voltage regulator to the LM7905C.
- Alternatives to the LM7905C include the UA7905 from Fairchild Semiconductor and the L7905 from STMicroelectronics.
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