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RT8296AHZSP
+Lista de MateriaisIC REG BUCK ADJUSTABLE 3A 8SOP
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FabricanteRichtek USA Inc.
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Peça do Fabricante #RT8296AHZSP
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Ficha Técnica RT8296AHZSP DataSheet
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Pacote SOIC-8
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Em Estoque7186
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Especificações
| Atributo | Valor |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4.5V |
| Voltage - Input (Max) | 23V |
| Voltage - Output (Min/Fixed) | 0.8V |
| Voltage - Output (Max) | 20V |
| Current - Output | 3A |
| Frequency - Switching | 340kHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Visão Geral
Description
Key features of the RT8296AHZSP include a fixed switching frequency for minimizing EMI, internal soft-start to prevent inrush currents, and over-current protection to safeguard against excessive load conditions. It also includes thermal shutdown protection for enhanced reliability. The device operates in a current-mode control scheme, which helps maintain stable operation over a wide range of input voltages and load conditions.
Its compact SOP-8 package makes it ideal for space-constrained applications, such as consumer electronics, networking equipment, and industrial systems, where efficiency and size are critical considerations.
Equivalent
1. Texas Instruments TPS54232 - A 2A, 28V step-down converter.
2. LM2596 - A widely used 3A step-down voltage regulator.
3. Microchip MIC4576 - A 3A integrated switch regulator.
4. On Semiconductor NCP1117 - A low dropout voltage regulator.
5. STMicroelectronics L4973D3.3 - A 3.5A step-down switching regulator.
Always verify specifications and pin compatibility before selecting a substitute.
Features
1. Input Voltage Range: It operates over a wide input voltage range, typically from 4.5V to 36V, making it suitable for various power sources.
2. Output Current: Capable of delivering up to 3A continuous output current, supporting medium-power applications.
3. High Efficiency: Achieves high efficiency through its synchronous rectification design, minimizing losses.
4. Switching Frequency: Features a fixed switching frequency of 500kHz, optimizing the size of external components and ensuring stable operation.
5. Protection Features: Includes built-in protection mechanisms such as over-current protection (OCP), over-temperature protection (OTP), and under-voltage lockout (UVLO) to safeguard the device and connected systems.
6. Soft-Start: The soft-start function reduces inrush current during startup, preventing stress on the input power source.
7. Compact Package: Offered in a compact SOP-8 package, facilitating space-constrained designs.
These features make the RT8296AHZSP a versatile choice for applications requiring efficient power conversion with a compact footprint.
Pinout
1. VIN: This is the supply voltage pin where the input voltage is applied.
2. SW (Switch Node): This pin connects to the inductor, and it is where the switching action takes place.
3. GND: This is the ground pin and serves as the return path for both the input and output.
4. FB (Feedback): This pin is used to sense the output voltage for regulation. It connects to a voltage divider from the output to GND.
5. EN (Enable): This pin is used to enable or disable the converter. A high signal enables the device, while a low signal disables it.
6. COMP (Compensation): This pin is used for stability and transient response optimization by connecting a compensation network.
These pins allow the RT8296AHZSP to efficiently step down voltage in a compact package suited for various applications.