RT8237CZQW

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RT8237CZQW

+Nomenclature

IC REG CTRLR BUCK 10WDFN

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Spécifications

Attribut Valeur
Part Status Discontinued at Digi-Key
Output Type Transistor Driver
Function Step-Down
Output Configuration Positive
Topology Buck
Number of Outputs 1
Output Phases 1
Voltage - Supply (Vcc/Vdd) 4.5V ~ 5.5V
Frequency - Switching 290kHz ~ 430kHz
Synchronous Rectifier Yes
Clock Sync No
Control Features Current Limit, Enable, Phase Control, Power Good
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 10-WFDFN Exposed Pad
Supplier Device Package 10-WDFN (3x3)
Base Product Number RT8237

Présentation

Description

The RT8237CZQW is a highly integrated, synchronous buck regulator designed for step-down applications. It features a wide input voltage range, typically from 4.5V to 24V, and provides adjustable output voltages, making it suitable for various power supply needs in consumer electronics, industrial equipment, and automotive applications.
Key specifications include high efficiency, low quiescent current, and fast transient response, which enhance overall system performance. The device incorporates features such as under-voltage lockout (UVLO), over-current protection (OCP), and thermal shutdown to ensure safe operation.
With its compact package size and easy layout design, the RT8237CZQW is ideal for space-constrained applications, providing reliable power management solutions. Its integrated PWM control scheme allows for better power conversion efficiency, contributing to longer battery life in portable devices. Overall, the RT8237CZQW is a versatile choice for designers looking to implement efficient voltage regulation in their projects.

Equivalent

The RT8237CZQW is a voltage regulator typically used in power management applications. Equivalent products include the LM2596 from Texas Instruments, the LM1117 from ON Semiconductor, and the MIC29150 from Microchip. These alternatives may vary in specifications such as output voltage, current capacity, and efficiency, so always check individual datasheets to ensure compatibility with your specific application requirements.

Features

The RT8237CZQW is a high-performance DC-DC buck converter designed for efficient voltage regulation in various applications. Key features include:
1. Input Voltage Range: Supports a wide input voltage range, typically from 4.5V to 25V.
2. Output Voltage: Adjustable output voltage, commonly down to 0.8V, with high accuracy.
3. Output Current: Capable of delivering high output current, typically up to 3A.
4. Efficiency: High efficiency (up to 95%) helps minimize heat generation and power loss.
5. Switching Frequency: Operates at a fixed frequency, often around 300kHz, facilitating smaller external components.
6. Protection Features: Includes over-current protection (OCP), over-voltage protection (OVP), and thermal shutdown for enhanced reliability.
7. Soft Start: Features a soft-start function to limit inrush current during startup.
8. Package Type: Available in a compact SOP-8 package for space-constrained designs.
These features make the RT8237CZQW suitable for applications in consumer electronics, telecommunications, and industrial systems.

Pinout

The RT8237CZQW is a voltage regulator IC with a pin count of 16. Its primary function is to provide a regulated output voltage for power management in various electronic devices, such as laptops and desktops.
The key pin functions are as follows:
1. VIN (Pin 1): Input voltage.
2. VOUT (Pin 2): Regulated output voltage.
3. GND (Pin 3): Ground reference.
4. COMP (Pin 4): Compensation pin for stability.
5. FB (Pin 5): Feedback pin for voltage regulation.
6. SW (Pin 6): Switch pin for the internal power MOSFET.
7. SENSE (Pin 7): Sensing pin for output voltage.
8. EN (Pin 8): Enable pin to turn the IC on/off.
9. PG (Pin 9): Power good output for status indication.
10. PULL (Pin 10): Pull-up resistor pin.
11-16. Additional pins for various functions including soft-start, current sensing, and protection features.
Overall, the RT8237CZQW is designed for efficient power management in portable and compact devices.

Manufacturer

The RT8237CZQW is manufactured by Richtek Technology Corporation, a company that specializes in the design and production of power management integrated circuits (ICs). Richtek is known for its focus on providing high-performance power solutions for various applications, including consumer electronics, communications, and computing. Their product portfolio includes voltage regulators, LED drivers, battery management ICs, and other power-related components. Founded in 2001 and headquartered in Taiwan, Richtek has established a reputation for innovation and quality in the semiconductor industry, serving a global market with a wide range of electronic products.

Application

The RT8237CZQW is a highly integrated voltage regulator primarily used in applications requiring efficient power management. It is suitable for powering processors, memory modules, and other digital devices in computing and consumer electronics. Common application areas include laptops, desktop computers, servers, and automotive electronics. Additionally, it is used in communication devices, industrial equipment, and portable gadgets to provide stable voltage regulation, enhance energy efficiency, and reduce power consumption. Its features, such as low dropout voltage and adjustable output, make it ideal for applications demanding precise voltage control.

Package

The RT8237CZQW is packaged in a QFN (Quad Flat No-lead) format. Specifically, it features a 16-pin QFN package, which provides a compact design and efficient thermal performance for integrated circuit applications.

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