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RT8070ZSP
+BOMIC REG BUCK ADJUSTABLE 4A 8SOP
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ManufacturerRichtek USA Inc.
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Mfr. Part #RT8070ZSP
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Datasheet RT8070ZSP DataSheet
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Package SOP-8
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In Stock7621
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Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 2.7V |
| Voltage-Input(Max) | 5.5V |
| Voltage-Output(Min/Fixed) | 0.8V |
| Voltage-Output(Max) | 5V |
| Current-Output | 4A |
| Frequency-Switching | 200kHz ~ 2MHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) Exposed Pad |
Overview
Description
This converter integrates a fixed-frequency PWM control that optimizes efficiency across different load conditions, with a switching frequency of around 1.5 MHz, which allows for the use of small external components. Additionally, it offers precise output voltage regulation and supports dynamic load adjustments, maintaining stability across varying demands.
Key features include internal soft-start, over-temperature protection, short-circuit protection, and under-voltage lockout. The RT8070ZSP is typically housed in a compact package, making it ideal for space-constrained applications like smartphones, tablets, and other portable devices requiring efficient power management solutions. Its design aims to extend battery life while providing reliable performance in modern electronic devices.
Equivalent
1. TPS54331 from Texas Instruments
2. LM2596 from Texas Instruments
3. MP1584 from Monolithic Power Systems
4. LM2678 from Texas Instruments
5. L5973D from STMicroelectronics
These alternatives have similar functionalities, such as voltage regulation and step-down conversion, but may differ in specifics like input voltage range and output current capacity. Always check datasheets to ensure compatibility with your application.
Features
The RT8070ZSP includes internal compensation, which simplifies the design process by eliminating the need for external components. It also incorporates a soft-start function to prevent inrush current at startup. Protection features such as over-current protection and thermal shutdown ensure the reliability and safety of the device under different operating conditions. The regulator is available in a compact SOT-23-5 package, which is advantageous for space-constrained applications. Overall, the RT8070ZSP is an excellent choice for applications requiring efficient power management in a compact form factor.
Pinout
1. VIN: Input voltage pin where the input supply voltage is applied.
2. GND: Ground pin, which is the reference point for the IC.
3. EN: Enable pin used to turn the converter on or off. A high signal enables the device, while a low signal disables it.
4. SW: Switch node connected to the inductor; it's the output point for the switching action inside the converter.
5. FB: Feedback pin for voltage regulation. It connects to a resistor divider from the output to set the desired output voltage.
The RT8070ZSP is designed for high-efficiency power conversion suitable for battery-powered applications. Always refer to the manufacturer's datasheet for specific details, as pin functions may vary slightly depending on the configuration or version of the IC.
Manufacturer
Application
1. Consumer Electronics: Powering components in devices like smartphones, tablets, and portable media players.
2. Industrial Equipment: Providing stable voltage for sensors, microcontrollers, and other sensitive components.
3. Telecommunications: Ensuring stable power supply in networking equipment.
4. Automotive Systems: Used in infotainment systems and other electronic control units.
5. Medical Devices: Delivering precise power in portable and sensitive diagnostic equipment.
Its features, such as low noise, low dropout voltage, and high PSRR (Power Supply Rejection Ratio), make it suitable for these applications.