L6984A

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L6984A

Switching Voltage Regulators Power Conversion

  • Manufacturer
  • Mfr. Part #L6984A
  • Package
  • Datasheet
  • In Stock19115

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Specifications

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Overview

Description

The L6984A is a high-performance, synchronous step-down DC-DC converter designed for industrial and automotive applications. It features a wide input voltage range of 4.5V to 60V and provides adjustable output voltages, making it suitable for various power management needs. The device supports high efficiency up to 95%, which helps in thermal management and prolongs battery life in portable applications.
The L6984A includes built-in protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout, ensuring reliability in demanding environments. Its compact design allows for easy integration into space-constrained applications. Additionally, it offers an enable pin for power sequencing and a programmable soft-start feature to minimize inrush current.
With a switching frequency that can be set by an external resistor, the L6984A allows for flexibility in optimizing performance. Overall, it is an effective choice for engineers looking for a robust and efficient solution for power conversion in a variety of applications.

Features

The L6984A is a high-performance step-down (buck) DC-DC converter designed for applications requiring efficient power management. Key features include:
1. Wide Input Voltage Range: Operating from 4.5V to 60V, accommodating a variety of power sources.
2. Output Current Capability: Delivers up to 3A of continuous output current.
3. High Efficiency: Achieves efficiency up to 95%, reducing heat generation and improving battery life.
4. Adjustable Output Voltage: Output voltage can be set between 0.8V and 15V via external resistors.
5. Integrated Power Switches: Combines high-side and low-side MOSFETs for compact design and reduced external component count.
6. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout for enhanced reliability.
7. Frequency Switching Options: Offers adjustable switching frequency from 100 kHz to 1 MHz for flexibility in design.
8. COMP Pin: Allows compensation for various applications and load conditions.
Overall, the L6984A is ideal for industrial, automotive, and consumer electronics requiring robust and efficient power conversion.

Package

The L6984A is available in a PowerSO-10 package type, which is a compact surface-mount package designed for efficient thermal management and space-saving in PCB layouts.

Pinout

The L6984A is a synchronous step-down DC-DC converter with a pin count of 20. It is designed for high efficiency and low-power applications, providing a regulated output voltage. The key functions of its pins include:
1. Input Voltage (VIN) - Power supply input.
2. SW (Switch) - Connection to the internal switching node.
3. GND (Ground) - Ground reference for the IC.
4. BOOT - Bootstrapping capacitor connection for the high-side MOSFET.
5. PH (PHASE) - Phase node for the inductor.
6. COMP - Compensation network connection for stability.
7. VOUT - Output voltage sense.
8. SS (Soft-Start) - Soft-start capacitor connection for gradual startup.
9. ILIM (Current Limit) - Current limit setting.
10. FB (Feedback) - Feedback voltage pin for regulation.
11. ENABLE - Enable pin to turn the device on/off.
12. PGOOD - Power good output indicator.
These pins facilitate efficient power management and regulation suitable for a variety of applications, such as automotive and industrial systems.

Manufacturer

The L6984A is manufactured by STMicroelectronics, a multinational electronics and semiconductor company headquartered in Geneva, Switzerland. STMicroelectronics specializes in designing and producing a wide range of semiconductor solutions, including microcontrollers, power management devices, and analog ICs. The company serves various markets, such as automotive, industrial, personal electronics, and communication, emphasizing innovation and sustainability in its product offerings. With a strong focus on research and development, STMicroelectronics is recognized for its advanced technology and contributions to the global electronics industry.

Application

The L6984A is a high-efficiency buck regulator primarily used in applications such as automotive systems, industrial automation, and telecommunications. It is suitable for powering FPGAs, microcontrollers, and other digital circuits, offering features like adjustable output voltage, high current capability, and thermal protection. Its low quiescent current makes it ideal for battery-powered devices, while its robust design supports high reliability in harsh environments.

Equivalent

The L6984A is a step-down regulator from STMicroelectronics. Equivalent products include the LM2675 from Texas Instruments, the TPS563201 from Texas Instruments, and the LTC3865 from Analog Devices. Be sure to compare specifications such as output voltage, current rating, efficiency, and package size to ensure compatibility for your specific application.

Shipping

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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

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