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LT1117CST-3.3#PBF
+StücklisteIC REG LIN 3.3V 800MA SOT-223-3
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HerstellerAnalog Devices Inc.
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Herstellerteil #LT1117CST-3.3#PBF
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Datenblatt LT1117CST-3.3#PBF DataSheet
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Auf Lager5250
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Spezifikationen
| Attribut | Wert |
| PartStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 15V |
| Voltage-Output(Min/Fixed) | 3.3V |
| VoltageDropout(Max) | 1.2V @ 800mA |
| Current-Output | 800mA |
| Current-Quiescent(Iq) | 10 mA |
| PSRR | 75dB (120Hz) |
| ProtectionFeatures | Over Temperature |
| OperatingTemperature | 0°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | TO-261-4, TO-261AA |
| SupplierDevicePackage | SOT-223-3 |
| BaseProductNumber | LT1117 |
Übersicht
Description
Key characteristics of the LT1117CST-3.3#PBF include its low dropout voltage, which allows it to maintain the output voltage even when the input voltage is only slightly higher than 3.3V, improving efficiency. Additionally, it offers thermal protection and current limiting to safeguard both the regulator and the connected components from damage due to excessive heat or current.
The "#PBF" suffix indicates that this component is RoHS compliant, meaning it is produced without lead, aligning with environmental standards for electronic components. It's commonly used in applications like microcontroller power supplies, consumer electronics, and communication devices.
Equivalent
1. LM1117-3.3 by Texas Instruments
2. AMS1117-3.3 by Advanced Monolithic Systems
3. NCP1117ST33T3G by ON Semiconductor
4. MIC29302WT by Microchip Technology
Ensure that the equivalent meets your specific application requirements, such as output current and package type, before substitution.
Features
1. Output Voltage: It provides a fixed output voltage of 3.3V.
2. Low Dropout Voltage: It has a low dropout voltage, typically around 1V, which allows it to maintain regulation with a minimal difference between input and output voltages.
3. Load Regulation: The regulator offers good load regulation, ensuring stable output under varying load conditions.
4. Output Current: It can supply up to 800mA of output current.
5. Thermal Protection: Includes thermal overload protection to prevent damage from excessive temperature.
6. Current Limiting: Features short-circuit protection through current limiting.
7. Package: The device is available in a surface-mount SOT-223 package.
8. Stability: It is designed to be stable with low ESR capacitors, enhancing its versatility in different applications.
9. Operating Temperature Range: Supports a wide operating temperature range, suitable for various environments.
These features make the LT1117CST-3.3#PBF suitable for applications requiring reliable and efficient voltage regulation.
Pinout
1. Pin 1 (Input): This pin is connected to the input voltage supply. The voltage provided here should be higher than the output voltage to ensure proper regulation.
2. Pin 2 (Ground/Output Ground): This is the ground reference for the device and is connected to the ground of the circuit.
3. Pin 3 (Output): This pin provides a regulated output voltage, which, in this specific variant, is fixed at 3.3V.
The LT1117 series is designed to provide stable output voltage with a low dropout voltage and is commonly used in applications requiring a regulated 3.3V output.
Manufacturer
Application
1. Consumer Electronics: Power supply for microprocessors and digital circuits in devices like smartphones and tablets.
2. Industrial Equipment: Voltage regulation for sensors and microcontrollers in industrial automation systems.
3. Networking Equipment: Powering components in routers, switches, and other networking devices.
4. Telecommunications: Used in base stations and other telecommunication infrastructure for stable power output.
5. Embedded Systems: Provides reliable voltage for embedded applications including IoT devices and development boards.
Its low dropout voltage and high efficiency make it suitable for battery-powered applications as well.