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A4490EESTR-T
+NomenclatureIC REG BUCK ADJ TRPL 20QFN
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FabricantAllegro microsystèmes
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Pièce fabricant #A4490EESTR-T
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Fiche technique A4490EESTR-T DataSheet
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Package QFN-20
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En stock5853
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Spécifications
| Attribut | Valeur |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 3 |
| Voltage-Input(Min) | 4.5V |
| Voltage-Input(Max) | 34V |
| Voltage-Output(Min/Fixed) | 0.8V |
| Voltage-Output(Max) | 30.6V |
| Frequency-Switching | 550kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 20-WFQFN Exposed Pad |
Présentation
Description
Equivalent
1. LM27313 by Texas Instruments
2. MIC45205 by Microchip Technology
3. TPS54331 by Texas Instruments
4. LT8609 by Analog Devices
Always verify specifications, pin compatibility, and application needs before selecting an equivalent.
Features
Key features include:
1. Low Power Operation: Optimized for minimal power usage, enhancing battery life in portable devices.
2. High Sensitivity: Capable of detecting small changes in magnetic fields, ensuring precise measurements.
3. Wide Operating Voltage Range: Compatible with a variety of power supply configurations, adding flexibility in system design.
4. Temperature Stability: Operates reliably across a broad temperature range, suitable for various environmental conditions.
5. Integrated Protection: Often includes features like reverse voltage protection and output short-circuit protection, enhancing durability.
Overall, the A4490EESTR-T is designed for applications requiring reliable and efficient magnetic field detection with a focus on power efficiency and precision.
Pinout
Key features of the A4490EESTR-T include high efficiency, a wide input voltage range, and the ability to deliver a stable output voltage. The device also includes protections such as overcurrent and thermal shutdown to ensure safe operation. Its compact TSSOP-14 (Thin Shrink Small Outline Package) provides an efficient footprint for circuit board design, making it suitable for space-constrained applications.
This IC is part of the Allegro Microsystems product line and is widely used due to its reliability and performance in various power management systems.