TPS74901DRCT

Effective Inventory3,490

LDO Voltage Regulators Sng Output LDO 3.0A, Adj

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TPS74901DRCT DataSheet

Pricing (USD)

Quantity Unit Price Ext. Price
1 $6.252 $6.25
250 $2.420 $605.00
500 $2.336 $1,168.00
1000 $2.292 $2,292.00

These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.

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TPS74901DRCT Details

The TPS74901DRCT is a low-dropout (LDO) voltage regulator from Texas Instruments, designed to provide a stable and regulated output voltage for various electronic systems. This LDO regulator features a low quiescent current, high PSRR, and thermal shutdown protection, making it suitable for battery-powered and noise-sensitive applications. It is available in a small DRC package, ideal for space-constrained designs.

Pinout

  • 1 (VIN): Input Voltage
  • 2 (GND): Ground
  • 3 (EN): Enable Control
  • 4 (NC): No Connection
  • 5 (BP): Bypass Capacitor Connection
  • 6 (VOUT): Regulated Output Voltage

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

  • Low Quiescent Current: Provides efficient operation with low power consumption even in standby mode.
  • High PSRR: Excellent power supply rejection ratio for filtering out input voltage fluctuations.
  • Thermal Shutdown Protection: Integrated thermal shutdown feature for added safety and reliability.
  • Wide Input Voltage Range: Capable of handling a wide input voltage range for versatility in different applications.
  • Small Package: Housed in a compact DRC package for easy integration into space-constrained designs.

Application

  • Battery-Powered Devices: Ideal for portable electronic devices requiring stable voltage regulation.
  • Noise-Sensitive Systems: Suitable for noise-sensitive applications such as audio systems and precision measurement equipment.
  • Embedded Systems: Used in embedded systems for reliable and efficient power management.

Where to Use

The TPS74901DRCT is suitable for applications that demand stable and regulated voltage supply, particularly in battery-powered and noise-sensitive electronic systems. It is an ideal choice for systems where low quiescent current and thermal protection are essential.

How to Use

Connect the TPS74901DRCT to your electronic circuit by wiring the VIN, GND, and VOUT pins to the appropriate connections. The EN pin can be used for enabling or disabling the regulator as needed. Proper bypass capacitor connections to the BP pin enhance stability. For detailed usage instructions, refer to the datasheet.

Application Circuit

The application circuit diagram for the TPS74901DRCT demonstrates how to integrate the voltage regulator into your electronic system. It includes connections for input voltage, ground, output voltage, and enable control, ensuring proper voltage regulation and system reliability.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

  • TLV733P: A similar low-dropout voltage regulator offering comparable performance and features.
  • XC6206: An alternative LDO regulator with similar functionality and voltage regulation characteristics.

Complementary

The TPS74901DRCT can be complemented by the TPS7A47, which provides higher output current capability and additional features for more demanding power management applications.

When selecting complementary voltage regulators, ensure their specifications align with your specific application requirements for optimal power supply performance.

Frequently Asked Questions

Q: What is the maximum input voltage supported by the TPS74901DRCT?

A: The TPS74901DRCT is capable of handling input voltages within a specified range. Refer to the datasheet for detailed input voltage limits and operating conditions.

Q: Can the TPS74901DRCT be used in automotive applications?

A: Yes, the TPS74901DRCT is suitable for automotive systems and other applications that require stable voltage regulation and thermal protection.

TPS74901DRCT

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Output options Adjustable Output Iout (max) (A) 3
Vin (max) (V) 5.5 Vin (min) (V) 0.8
Vout (max) (V) 3.6 Vout (min) (V) 0.8
Noise (µVrms) 20 Iq (typ) (mA) 3
Thermal resistance θJA (°C/W) 34, 36 Rating Catalog
Load capacitance (min) (µF) 2.2 Regulated outputs (#) 1
Features Enable, Power good, Soft start Accuracy (%) 2
PSRR at 100 KHz (dB) 28 Dropout voltage (Vdo) (typ) (mV) 60, 120
Operating temperature range (°C) -40 to 125

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification TPS74901DRCT PDF Download

FAQs

What is TPS74901DRCT?

The TPS74901DRCT is a low-dropout (LDO) voltage regulator from Texas Instruments. It is designed for applications requiring a stable and low-noise power supply, such as portable devices, industrial equipment, and automotive electronics.

How Does TPS74901DRCT Work?

The TPS74901DRCT operates by accepting a higher input voltage and regulating it down to a precise, stable output voltage. It utilizes a feedback mechanism to adjust the internal pass device, ensuring the output voltage remains constant despite variations in the input voltage and load conditions. The LDO regulator features low dropout voltage and low quiescent current, making it suitable for battery-powered applications.

How Many Pins does TPS74901DRCT have and What are the Functions of the Pinout Configuration?

The TPS74901DRCT is housed in a 6-terminal WSON (Very Thin Small Outline No-Lead) package. The pinout configuration includes:

  • IN: Input voltage pin.
  • GND: Ground pin.
  • EN: Enable pin for turning the regulator on/off.
  • BP: Bypass input for connecting an external capacitor to improve transient response.
  • FB: Feedback pin for adjusting the output voltage.
  • OUT: Regulated output voltage pin.

What are the Pros and Cons of TPS74901DRCT?

Pros:

  • Low Dropout Voltage: Operates with low dropout voltage, maximizing efficiency.
  • Low Noise: Provides stable and low-noise output voltage, suitable for noise-sensitive applications.
  • Small Package: The WSON package is space-efficient, ideal for compact designs.
  • Enable Pin: Includes an enable pin for easy on/off control of the regulator.
  • Wide Input Voltage Range: Accepts a wide input voltage range, enhancing versatility.

Cons:

  • Thermal Consideration: May require thermal considerations due to power dissipation in high input-to-output voltage differential applications.
  • External Components: External capacitors may be required for stability and transient response, adding complexity to the design.

Are There Any Equivalents/Alternatives to TPS74901DRCT for Recommendation?

  • The TPS74801 from Texas Instruments is a similar LDO regulator with slightly different features.
  • Alternatives to the TPS74901DRCT include the MIC5205 from Microchip Technology and the LT1761 from Analog Devices.

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