LMR33630BRNXT

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LMR33630BRNXT

IC REG BUCK ADJ 3A 12VQFN

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Specifications

Series SIMPLE SWITCHER®
Part Status Active
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 3.8V
Voltage - Input (Max) 36V
Voltage - Output (Min/Fixed) 1V
Voltage - Output (Max) 24V
Current - Output 3A
Frequency - Switching 1.4MHz
Synchronous Rectifier Yes
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount, Wettable Flank
Package / Case 12-PowerVFQFN
Supplier Device Package 12-VQFN-HR (3x2)
Base Product Number LMR33630

Overview

Description

The LMR33630BRNXT is a step-down (buck) voltage regulator from Texas Instruments designed for efficient power conversion in various applications. It features a high input voltage range (up to 60V), making it suitable for automotive, industrial, and battery-powered devices. The device provides adjustable output voltage down to 0.8V, with a maximum output current of 3A.
Key features include integrated high-side and low-side MOSFETs, enabling high efficiency (up to 95%) and reducing external component count. The LMR33630BRNXT operates in both pulse-width modulation (PWM) and pulse-frequency modulation (PFM) modes, enhancing performance in different load conditions.
With built-in protections such as overcurrent, thermal shutdown, and undervoltage lockout, it ensures reliable operation. The device is packaged in a compact HTQFP-36 format, facilitating easy integration into designs. Overall, the LMR33630BRNXT is ideal for designers seeking a robust, efficient solution for power management in demanding environments.

Features

The LMR33630BRNXT is a high-efficiency step-down DC-DC converter designed for powering low-voltage systems. Key features include:
1. Input Voltage Range: Operates from 3V to 36V, accommodating a wide range of input sources.
2. Output Current: Capable of delivering up to 3A output current, making it suitable for various applications.
3. High Efficiency: Achieves up to 95% efficiency, reducing heat generation and improving battery life in portable devices.
4. Adjustable Output Voltage: The output voltage can be set between 0.8V and 20V, providing flexibility for different applications.
5. Built-in Soft Start: Reduces inrush current during startup, protecting the circuit components.
6. Integrated Compensation: Simplifies design by eliminating the need for external compensation components.
7. Thermal Shutdown: Protects the device from overheating by disabling the output when it exceeds safe temperature limits.
8. Compact Package: Available in a small, thermally efficient TSSOP-16 package, ideal for space-constrained designs.
These features make the LMR33630BRNXT suitable for power management in consumer electronics, automotive, and industrial applications.

Package

The LMR33630BRNXT is packaged in a 5mm x 6mm, 30-pin HTQFN (Thermal Enhanced Quad Flat No-lead) format, which provides improved thermal performance and allows for compact designs in power management applications.

Pinout

The LMR33630BRNXT is a step-down voltage regulator from Texas Instruments with a pin count of 16. It is designed to provide a compact solution for powering devices in various applications.
The key functions of its pins are as follows:
1. VIN (Pin 1): Input voltage supply.
2. SW (Pin 2): Switch node; connects to the inductor.
3. GND (Pins 3 & 12): Ground connection.
4. CSN (Pin 4): Current sense negative input.
5. CSP (Pin 5): Current sense positive input.
6. COMP (Pin 6): Compensation network connection for stability.
7. SS (Pin 7): Soft-start time control.
8. EN (Pin 8): Enable pin for power-up control.
9. SLOPE (Pin 9): Slope compensation adjustment.
10. FB (Pin 10): Feedback voltage input.
11. RT (Pin 11): Frequency setting resistor connection.
12. VREF (Pin 13): Reference voltage output.
13. VOUT (Pin 14): Output voltage.
14. PGND (Pin 15): Power ground.
15. RST (Pin 16): Reset output.
These pins facilitate the operation and control of the regulator for efficient voltage management.

Manufacturer

The LMR33630BRNXT is manufactured by Texas Instruments (TI), a leading global semiconductor company. Texas Instruments designs and produces a wide range of electronic components, including analog and digital semiconductors, embedded processors, and other technology solutions. The company is known for its innovation in the field of analog electronics and power management, serving various industries such as automotive, industrial, communications, and consumer electronics. TI is recognized for its commitment to research and development, providing high-quality products that enable efficient design and application in numerous electronic devices.

Application

The LMR33630BRNXT is a step-down voltage regulator primarily used in applications such as point-of-load power supplies, battery-powered devices, consumer electronics, automotive systems, and industrial equipment. Its features support efficient power conversion in systems requiring compact designs, low heat generation, and high efficiency, making it suitable for powering microcontrollers, sensors, and communication devices.

Equivalent

The LMR33630BRNXT is a step-down (buck) voltage regulator. Equivalent products include the TPS561201, LM2596, LTC2990, and LM3671, which offer similar specifications in terms of input/output voltage and current capabilities. Always verify the specific parameters such as output current, efficiency, and package type to ensure compatibility for your 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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