TPS79633DCQ

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TPS79633DCQ

IC REG LINEAR 3.3V 1A SOT223-6

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Specifications

Package Bulk,Tube
ProductStatus Active
OutputConfiguration Positive
OutputType Fixed
NumberofRegulators 1
Voltage-Input(Max) 5.5V
Voltage-Output(Min/Fixed) 3.3V
VoltageDropout(Max) 0.33V @ 1A
Current-Output 1A
Current-Quiescent(Iq) 385 µA
PSRR 59dB ~ 42dB (100Hz ~ 100kHz)
ControlFeatures Enable
ProtectionFeatures Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case SOT-223-6

Overview

Description

The TPS79633DCQ is a low-dropout (LDO) linear voltage regulator from Texas Instruments, designed for applications requiring high efficiency and precision. It offers a fixed 3.3V output voltage, making it ideal for powering ASICs, DSPs, and microcontrollers in various electronic devices. The regulator can supply up to 1A of output current with a low quiescent current, enhancing battery life in portable devices.
Key features include ultra-low dropout voltage, high power-supply rejection ratio (PSRR), and a fast transient response, which are crucial for maintaining stable operation in dynamic load conditions. The device also incorporates thermal protection and current limit features to ensure safe functioning under fault conditions. Its small SOT-223 package allows for efficient use of PCB space, making it suitable for compact designs.
Additionally, the TPS79633DCQ supports an enable pin for easy control over the output, adding flexibility in power management. With its combination of performance, reliability, and compact size, the TPS79633DCQ is well-suited for a wide range of consumer electronics, telecommunications, and industrial applications.

Features

The TPS79633DCQ is a high-performance, low-dropout (LDO) voltage regulator from Texas Instruments. It features ultra-low noise, high power-supply rejection ratio (PSRR), and low quiescent current, making it ideal for noise-sensitive applications. The device provides a fixed output voltage of 3.3V and can deliver up to 1A of output current. It operates with an input voltage range of 2.7V to 5.5V.
Key features include:
1. Ultra-Low Noise: 40 µV RMS output noise without external noise bypass capacitor.
2. High PSRR: 60 dB at 10 kHz, which helps in minimizing supply noise impact.
3. Low Dropout Voltage: 200 mV at 1A, enhancing efficiency.
4. Fast Start-Up: Typically within 140 µs.
5. Current Limiting and Thermal Protection: Ensures safety under fault conditions.
6. Stable with Ceramic Capacitors: Supports a range of output capacitors for design flexibility.
7. Enable Pin: Allows for power-saving shutdown mode.
The small package size, along with these features, makes the TPS79633DCQ suitable for portable and battery-powered devices, RF and digital applications, and post-regulation of switching power supplies.

Package

The TPS79633DCQ is a low-dropout (LDO) voltage regulator from Texas Instruments, and it comes in a DCQ package. This "DCQ" package type refers to the 8-pin SOIC (Small Outline Integrated Circuit) design, which is a surface-mount package commonly used for integrated circuits.

Pinout

The TPS79633DCQ is a low-dropout (LDO) voltage regulator from Texas Instruments. It comes in a 6-pin SOT-223 package. The device is designed for high-accuracy voltage regulation and low noise, making it suitable for applications requiring precise voltage supply, such as powering RF components and digital circuits.
Key functions of the pins include:
1. VIN (Input Voltage): Supplies the input voltage to the LDO.
2. VOUT (Output Voltage): Provides the regulated output voltage (3.3V for the TPS79633 variant).
3. GND (Ground): Common ground for the device.
4. NR (Noise Reduction): Used to reduce output noise by connecting a capacitor between this pin and ground.
5. EN (Enable): Enables or disables the device; pulling this low typically shuts down the regulator to save power.
6. NC (No Connect): This pin is not connected internally and is typically left floating or tied to ground for stability.
These pins contribute to the device's capability to deliver a stable and precise output voltage with low dropout and noise.

Manufacturer

The TPS79633DCQ is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits, which they sell to electronics designers and manufacturers globally. TI is renowned for its development of analog chips and embedded processors, which are used in a wide range of electronics applications, including consumer electronics, automotive, industrial equipment, and communications. The company is a major player in the semiconductor industry and is known for its innovation and broad product portfolio.

Application

The TPS79633DCQ is a low-dropout (LDO) voltage regulator suitable for applications requiring precise voltage regulation and fast transient response. Key application areas include portable and battery-powered devices, wireless communications, automotive electronics, industrial instrumentation, and any systems needing high-efficiency power management. Its low quiescent current and low dropout voltage make it ideal for prolonging battery life and improving system efficiency.

Equivalent

The TPS79633DCQ is a low-dropout (LDO) voltage regulator. Equivalent products include:
1. MIC5205-3.3YM - Microchip Technology.
2. LP2985AIM5-3.3 - Texas Instruments.
3. NCP1117ST33T3G - ON Semiconductor.
4. AMS1117-3.3 - Advanced Monolithic Systems.
5. LT1963A-3.3 - Analog Devices (formerly Linear Technology).
Ensure compatibility with your specific requirements such as output current, dropout voltage, and package type.

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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