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SY8303AIC
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FabricantSociété silergy
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Pièce fabricant #SY8303AIC
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Fiche technique SY8303AIC DataSheet
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En stock11959
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Spécifications
| Attribut | Valeur |
| Manufacturer | Silergy Corp |
| Package / Case | TSOT-23-8 |
| Voltage - Supply | 4.5V~40V |
| Function | Step-down type |
| Synchronous Rectifier | Yes |
| Number of Outputs | 1 |
| Topology | Step-Down |
| Operating Temperature | -40℃~+105℃ |
| Current - Quiescent (Iq) | 18uA |
| Frequency - Switching | 500kHz~2.5MHz |
Présentation
Description
Equivalent
1. MP2303 by Monolithic Power Systems
2. LM2596 by Texas Instruments
3. AP3418 by Diodes Incorporated
4. AOZ1282 by Alpha & Omega Semiconductor
5. RT8299 by Richtek Technology
These alternatives offer similar functionalities such as high efficiency, adjustable output voltage, and integrated switches for step-down conversion applications. Always verify specifications and pin compatibility for any substitution.
Features
1. Input Voltage Range: It operates with an input voltage range typically from 4.5V to 18V, making it suitable for various applications.
2. Output Current: It can deliver up to 3A of continuous output current, catering to medium-power applications.
3. Efficiency: The device boasts high efficiency, often above 90%, due to its synchronous rectification, which minimizes power loss.
4. Switching Frequency: The SY8303AIC typically operates at a switching frequency of 340kHz, balancing efficiency and component size.
5. Protection Features: It includes over-current protection, short-circuit protection, and thermal shutdown to ensure reliability and safety in different operating conditions.
6. Package: The regulator is commonly available in compact, thermally enhanced packages like the SO-8, aiding in efficient heat dissipation.
These features make the SY8303AIC a versatile choice for applications such as distributed power systems, portable instruments, and general-purpose step-down converters.
Pinout
1. VIN: Power input pin. Connects to the input voltage source.
2. GND: Ground pin. Provides the ground reference for the device.
3. SW: Switch node. Connects to the inductor and internal MOSFETs for regulating output voltage.
4. BST: Bootstrap pin. Provides the gate drive voltage for the high-side MOSFET.
5. EN: Enable pin. Used to enable or disable the device. A high voltage enables the converter, while a low voltage disables it.
6. FB: Feedback pin. Connects to the output voltage through a resistor divider to set the output voltage level.
This converter is typically used in applications requiring efficient voltage regulation, such as portable devices and consumer electronics.
Manufacturer
Application
1. Consumer Electronics: Provides stable power supply to devices like smartphones, tablets, and wearables.
2. Industrial Equipment: Ensures reliable power conversion for machinery and control systems.
3. Telecommunications: Supports power management in networking equipment and communication devices.
4. Automotive Systems: Used in in-car electronics and infotainment systems.
5. Computer Peripherals: Powers components like hard drives, SSDs, and other peripheral devices.
This chip is valued for its compact size, high efficiency, and ability to maintain stable outputs, making it versatile for various modern electronics.