TPS40041DRBR

Overview

Category: Integrated Circuits (ICs)

Use: Voltage Regulator

Characteristics: - High efficiency - Wide input voltage range - Adjustable output voltage - Low dropout voltage - Overcurrent protection - Thermal shutdown protection

Package: DRB (8-Pin SON)

Essence: The TPS40041DRBR is a voltage regulator IC designed to provide a stable and regulated output voltage from a wide range of input voltages.

Packaging/Quantity: The TPS40041DRBR is available in an 8-pin small-outline non-leaded (SON) package. It is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 4.5V to 60V
• Output Voltage Range: 0.8V to 55V
• Output Current: Up to 1.5A
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 100µA (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The TPS40041DRBR has the following pin configuration:

```

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| | --| EN | --| FB | --| SS/TR | --| GND | --| SW | --| VIN | --| PG | |___________| ```

1. EN: Enable Pin
2. FB: Feedback Pin
3. SS/TR: Soft-Start/Tracking Pin
4. GND: Ground Pin
5. SW: Switching Node Pin
6. VIN: Input Voltage Pin
7. PG: Power Good Pin

Functional Features

• Wide Input Voltage Range: The TPS40041DRBR can accept input voltages ranging from 4.5V to 60V, making it suitable for a wide range of applications.
• Adjustable Output Voltage: The output voltage can be adjusted from 0.8V to 55V using external resistors.
• High Efficiency: The IC incorporates a high-efficiency synchronous buck converter topology, ensuring minimal power loss and maximizing energy efficiency.
• Overcurrent Protection: The TPS40041DRBR features built-in overcurrent protection, safeguarding the circuit against excessive current flow.
• Thermal Shutdown Protection: In case of excessive temperature, the IC automatically shuts down to prevent damage due to overheating.

Advantages and Disadvantages

Advantages: - Wide input voltage range allows for versatile use in various applications. - Adjustable output voltage provides flexibility in meeting specific requirements. - High efficiency results in reduced power consumption and heat generation. - Overcurrent and thermal shutdown protection enhance system reliability.

Disadvantages: - Limited output current capability (up to 1.5A) may not be sufficient for high-power applications. - The 8-pin package may limit the number of available I/O pins for other functions.

Working Principles

The TPS40041DRBR operates as a synchronous buck converter, converting a higher input voltage to a lower regulated output voltage. It utilizes pulse-width modulation (PWM) techniques to control the switching of internal MOSFETs, achieving high efficiency and accurate voltage regulation. The feedback pin (FB) monitors the output voltage and adjusts the duty cycle of the switching waveform to maintain a stable output voltage.

Detailed Application Field Plans

The TPS40041DRBR is commonly used in various applications, including but not limited to: - Industrial automation systems - Telecommunications equipment - Power supplies for consumer electronics - Automotive electronics - Battery charging circuits

Detailed and Complete Alternative Models

• TPS40042DRBR: Similar to TPS40041DRBR, but with higher output current capability (up to 2.5A).
• TPS40043DRBR: Similar to TPS40041DRBR, but with additional features such as adjustable soft-start and power good indicator.

These alternative models offer similar functionality while addressing specific requirements or providing additional features for different applications.

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