| Allicdata Part #: | 497-3413-5-ND |
| Manufacturer Part#: |
LD1084V |
| Price: | $ 0.90 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | STMicroelectronics |
| Short Description: | IC REG LINEAR POS ADJ 5A TO220AB |
| More Detail: | Linear Voltage Regulator IC Positive Adjustable 1 ... |
| DataSheet: |  LD1084V Datasheet/PDF |
| Quantity: | 1394 |
| 1 +: | $ 0.90000 |
| 10 +: | $ 0.87300 |
| 100 +: | $ 0.85500 |
| 1000 +: | $ 0.83700 |
| 10000 +: | $ 0.81000 |
Specifications
| Current - Output: | 5A |
| Base Part Number: | LD1084 |
| Supplier Device Package: | TO-220AB |
| Package / Case: | TO-220-3 |
| Mounting Type: | Through Hole |
| Operating Temperature: | -40°C ~ 125°C |
| Protection Features: | Over Temperature, Short Circuit |
| Control Features: | -- |
| PSRR: | 72dB (120Hz) |
| Current - Quiescent (Iq): | 10mA |
| Series: | -- |
| Voltage Dropout (Max): | 1.5V @ 5A |
| Voltage - Output (Max): | 28.5V |
| Voltage - Output (Min/Fixed): | 1.25V |
| Voltage - Input (Max): | 30V |
| Number of Regulators: | 1 |
| Output Type: | Adjustable |
| Output Configuration: | Positive |
| Part Status: | Active |
| Packaging: | Tube |
Description
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The LD1084V is one of the most popular linear voltage regulators. It is an integrated circuit (IC) being widely used to convert unregulated voltage input into a lower regulated voltage output. Its application mainly lies in the field of computer and microprocessor-based systems due to its high power efficiency, low power loss and fast transient response. Understanding its working principle is necessary to properly use it in any application. The LD1084V is an adjustable low dropout (LDO) voltage regulator. It is a three-terminal device, featuring an input voltage, an output voltage and a ground terminal. The LD1084V works by first amplifying the input voltage to a higher voltage, in order to have enough power for the regulator. When a certain reference voltage is detected, the output voltage is adjusted in order to maintain a stable output. The main components of LD1084V are the voltage reference, the error amplifier and the output stage. The voltage reference is responsible for providing an adjustable reference voltage, against which the output voltage is compared. The error amplifier receives feedback from the output voltage and compares it to the voltage reference. If the output voltage is lower than the reference voltage, it triggers the output stage to increase the output voltage. Similarly, if the output voltage is higher than the reference voltage, the output stage will reduce the voltage. This is repeated in a continuous loop, to ensure that the output voltage is stable and within the desired range. The LD1084V can be used in a wide range of applications, including personal computers, mobile phones, laptops, medical devices and industrial control systems. It can provide an adjustable output voltage between 1.2V and 20V. The LD1084V has a low dropout voltage of around 0.5V, which allows it to operate even with a slightly lower input voltage. Apart from its adjustable output voltage, the LD1084V also features a current limiting capability, as well as over-current and thermal protection. The current limiting feature prevents the device from drawing too much current from the input voltage. The over-current feature helps to protect the device from drawing too much current from the output, while the thermal protection feature helps to protect the device from overheating. Overall, the LD1084V is a very good choice for regulating the voltage in computer and microprocessor-based systems. It is an efficient regulator which offers excellent power efficiency, low power loss and fast transient response. Its adjustable output voltage and protection features make it suitable for a wide range of applications.
The specific data is subject to PDF, and the above content is for reference
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