RT8070ZSP

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RT8070ZSP

IC REG BUCK ADJUSTABLE 4A 8SOP

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Specifications

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

The RT8070ZSP is a high-efficiency, monolithic synchronous buck converter specifically designed for portable applications. It provides a constant output current of up to 2A. The device operates over a wide input voltage range, typically from 2.7V to 5.5V, making it suitable for applications powered by single-cell lithium-ion batteries or other low-voltage sources.
Key features include a high switching frequency of 1.5MHz, which allows for the use of small external components and a compact solution size. The RT8070ZSP also incorporates internal compensation, which simplifies the design and enhances stability across various operating conditions.
The device includes a high-speed current-mode control architecture, offering fast transient response and improved load regulation. Additionally, it supports a low-dropout operation and features under-voltage lockout, over-temperature protection, and short-circuit protection to ensure reliable performance and longevity in demanding environments.
The RT8070ZSP is typically housed in a small, thermally efficient package, such as the SOT-23-6, making it ideal for space-constrained applications like smartphones, tablets, and other portable electronic devices.

Features

The RT8070ZSP is a high-efficiency, 3A, 1MHz synchronous step-down DC-DC converter designed for portable devices. Its main features include a wide input voltage range of 2.7V to 5.5V, making it suitable for various battery-powered applications. The device delivers an adjustable output voltage from 0.6V to the input voltage, allowing flexibility in multiple applications.
It boasts a high switching frequency of 1MHz, which enables the use of smaller external components, reducing the overall footprint of the power supply design. The RT8070ZSP includes built-in power MOSFETs that enhance efficiency and reliability while minimizing the need for external components.
Key features include current-mode operation for fast transient response and loop stability, soft-start to reduce inrush current, and over-temperature protection to ensure operational safety. It also offers short-circuit protection and under-voltage lockout to guard against adverse conditions.
The RT8070ZSP is typically housed in a compact, thermally enhanced package, contributing to its suitability for space-constrained applications. Overall, the RT8070ZSP provides efficient and reliable power management for a wide range of consumer electronics and portable devices.

Package

The RT8070ZSP is typically available in a SOT-23-5 package type. This package is small, surface-mounted, and designed for compact electronic applications.

Pinout

The RT8070ZSP is a step-down converter IC typically used for power management tasks in electronics. It comes in a 6-pin SOT-23-6 package. The pin functions are as follows:
1. VIN: This is the input voltage pin where the supply voltage is applied.
2. GND: The ground pin serves as the reference for the converter.
3. LX: The inductor connection pin, this is where the switching node connects to the inductor.
4. FB: The feedback pin is used to provide output voltage feedback to the internal control circuitry.
5. EN: The enable pin allows the device to be turned on or off. Pulling this pin high enables the device.
6. NC: Not connected pin, sometimes reserved for future use or left open.
These pins collectively allow the RT8070ZSP to efficiently step down higher DC input voltages to lower DC output voltages, making it suitable for a range of applications.

Manufacturer

The RT8070ZSP is manufactured by Richtek Technology Corporation. Richtek is a company that specializes in the design and production of analog ICs and power management solutions. The company is known for its high-performance and cost-effective products, which are used in a wide range of applications including consumer electronics, industrial equipment, computers, and communication devices. Richtek's expertise lies in providing system-level solutions for power management, which is crucial for the efficient operation of electronic devices.

Application

The RT8070ZSP is a step-down DC-DC converter, commonly used in applications requiring efficient voltage regulation. It is ideal for powering processors, FPGAs, GPUs, and various digital ICs in consumer electronics, telecommunications, industrial equipment, and automotive systems. Its compact design and high-efficiency performance make it suitable for portable devices, networking equipment, and other applications where space and power efficiency are crucial.

Equivalent

The RT8070ZSP is a step-down (buck) DC-DC converter. Equivalent products could include the LM2596 from Texas Instruments, the MP1584 from Monolithic Power Systems, or the MIC4576 from Microchip Technology. These components have similar functionalities, such as adjustable output voltage and built-in high-efficiency switching regulators, suitable for various applications. However, specific equivalence depends on the detailed specifications like input voltage range, output current, and switching frequency. Always compare datasheets to ensure compatibility with your application.

Shipping

Shipping MethodsWe

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

Payment Methods

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