TPS78330DDCT

Name: TPS78330DDCT
Brand: Texas Instruments
Rating: 4.5 (10 reviews)
Author: Lisleapex

Low-dropout linear regulator featuring 500-nA quiescent current, 150-mA capacity

5,945 Effective Inventory

TPS78330DDCT

Effective Inventory5,945

Low-dropout linear regulator featuring 500-nA quiescent current, 150-mA capacity

Manufacturer Part # : TPS78330DDCT
Package/Case: SOT23-5
Brand: Texas Instruments
Product Categories : Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
Series : TPS78330

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TPS78330DDCT DataSheet

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TPS78330DDCT Details

The TPS78330DDCT is a voltage regulator from Texas Instruments, designed to provide a stable output voltage for various electronic circuits. This regulator offers an output voltage of 3.3V with high efficiency and low dropout voltage, making it suitable for low-power applications. It is housed in a compact and thermally efficient package, ideal for space-constrained designs.

Pinout

1 (VIN): Input Voltage
2 (GND): Ground
3 (EN): Enable Pin
4 (VOUT): Output Voltage (3.3V)

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

Key Features

Stable Output Voltage: Provides a stable 3.3V output voltage for reliable operation.
High Efficiency: Offers high efficiency operation for power-saving applications.
Low Dropout Voltage: Minimal dropout voltage ensures efficient power conversion.
Compact Package: Housed in a compact DDCT package for space-constrained designs.
Thermal Performance: Designed for efficient heat dissipation in various operating conditions.

Application

Embedded Systems: Ideal for providing regulated voltage in embedded system designs.
IoT Devices: Suitable for powering low-power IoT devices and sensor nodes.
Battery-Powered Applications: Used in battery-operated devices requiring stable voltage regulation.

Where to Use

The TPS78330DDCT is recommended for applications that require a stable 3.3V output voltage, especially in embedded systems, IoT devices, and battery-powered applications. It is ideal for designs where efficiency and compact size are essential.

How to Use

Connect the TPS78330DDCT to your circuit by providing the input voltage to VIN and connecting GND to the ground. Enable the regulator by tying the EN pin appropriately. The VOUT pin will provide a regulated 3.3V output for your circuit. Ensure proper decoupling and thermal considerations for optimal performance. For detailed usage instructions, refer to the datasheet.

Application Circuit

The application circuit diagram for the TPS78330DDCT demonstrates how to integrate the voltage regulator into your electronic system. It includes connections for input voltage, ground, enable pin, and output voltage, ensuring proper functionality and voltage regulation.

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

Equivalents

LM1117: A comparable voltage regulator with similar output characteristics.
XC6206: An alternative low dropout voltage regulator with equivalent performance.

Complementary

The TPS78330DDCT can be paired with the TPS7A47 for additional voltage regulation capabilities and improved noise performance in critical applications.

When selecting complementary regulators, ensure compatibility and performance alignment with your specific design requirements.

Frequently Asked Questions

Q: What is the maximum input voltage supported by the TPS78330DDCT?

A: The TPS78330DDCT can support input voltages up to a maximum specified value. Refer to the datasheet for exact limits and operating conditions.

Q: Is thermal management required for the TPS78330DDCT?

A: Thermal considerations are important for efficient operation. Ensure proper heatsinking and thermal management practices in high-power or high-temperature applications for optimal performance.

Specifications

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

Output options	Fixed Output	Iout (max) (A)	0.15
Vin (max) (V)	5.5	Vin (min) (V)	2.2
Vout (max) (V)	4.2	Vout (min) (V)	1.8
Fixed output options (V)	1.8, 1.9, 2.6, 3, 4.2	Noise (µVrms)	86
Iq (typ) (mA)	0.0005	Thermal resistance θJA (°C/W)	193
Rating	Catalog	Load capacitance (min) (µF)	1
Regulated outputs (#)	1	Features	Enable
Accuracy (%)	3	PSRR at 100 KHz (dB)	13
Dropout voltage (Vdo) (typ) (mV)	130	Operating temperature range (°C)	-40 to 105

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 TPS78330DDCT PDF Download

FAQs

What is TPS78330DDCT?

The TPS78330DDCT is a low-dropout (LDO) voltage regulator designed by Texas Instruments. It is capable of providing a fixed output voltage of 3.3V with high accuracy and low dropout voltage, making it suitable for powering sensitive analog and digital circuits in various electronic devices.

How Does TPS78330DDCT Work?

The TPS78330DDCT operates by regulating the input voltage to a stable 3.3V output with minimal dropout voltage. It utilizes a precision internal voltage reference and error amplifier to maintain the output voltage within specified tolerances, even under varying load conditions. The regulator features low quiescent current and thermal shutdown protection for reliable performance.

How Many Pins does TPS78330DDCT have and What are the Functions of the Pinout Configuration?

The TPS78330DDCT is housed in a 6-pin SOT-23 (Small Outline Transistor) package. The pinout configuration includes:

VIN: Input voltage supply pin.
GND: Ground pin.
EN: Enable pin for control of regulator operation.
BYP: Bypass pin for connecting a capacitor to improve noise performance.
VOUT: Regulated 3.3V output voltage pin.

What are the Pros and Cons of TPS78330DDCT?

Pros:

Precision Output: Provides a fixed 3.3V output with high accuracy for powering sensitive components.
Low Dropout Voltage: Maintains regulation even when the input voltage is close to the output voltage, maximizing efficiency.
Low Quiescent Current: Minimizes current consumption when the regulator is active but not sourcing significant load current, suitable for battery-powered devices.
Compact Package: The SOT-23 package is space-efficient and easy to handle for compact designs.

Cons:

Limited Output Voltage: The fixed 3.3V output may not be suitable for applications requiring other voltage levels.
Thermal Considerations: Thermal dissipation and shutdown considerations may be important, especially in high-power applications.

Are There Any Equivalents/Alternatives to TPS78330DDCT for Recommendation?

The LM2937 from Texas Instruments is a similar 3.3V LDO regulator with slightly different features.
Alternatives to the TPS78330DDCT include the MIC5209 from Microchip Technology and the MAX8887 from Maxim Integrated.