TPS73633DBVR

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TPS73633DBVR

+BOM

IC REG LINEAR 3.3V 400MA SOT23-5

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Specifications

Attribute Value
Package Tape & Reel (TR),Cut Tape (CT),Bulk
ProductStatus Active
OutputConfiguration Positive
OutputType Fixed
NumberofRegulators 1
Voltage-Input(Max) 5.5V
Voltage-Output(Min/Fixed) 3.3V
VoltageDropout(Max) 0.2V @ 400mA
Current-Output 400mA
Current-Quiescent(Iq) 550 µA
Current-Supply(Max) 1 mA
PSRR 58dB ~ 37dB (100Hz ~ 10kHz)
ControlFeatures Enable
ProtectionFeatures Over Current, Over Temperature, Reverse Polarity
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case SC-74A, SOT-753

Overview

Description

The TPS73633DBVR is a low-dropout linear voltage regulator produced by Texas Instruments. It is part of the TPS736xx series, designed for applications requiring low noise, high power-supply rejection ratio (PSRR), and fast transient response. The "33" in the part number indicates a fixed output voltage of 3.3 volts, while "DBVR" refers to the specific package type, which is a small outline transistor (SOT-23-5). This regulator supports a maximum output current of 400 mA, making it suitable for powering low-power devices.
Key features include an ultra-low quiescent current, a typical dropout voltage of 200 mV at maximum load, and an adjustable output voltage version. It incorporates an enable pin for on/off control, offers thermal shutdown protection, and has current limit protection. The device is ideal for battery-powered applications, portable electronics, and other systems requiring efficient voltage regulation with minimal power loss and heat generation. The compact size and high performance of the TPS73633DBVR make it a versatile component for a wide range of electronic designs.

Equivalent

The TPS73633DBVR is a low-dropout (LDO) linear voltage regulator by Texas Instruments. Equivalent products include:
1. NCP70333 by ON Semiconductor
2. LD39030 by STMicroelectronics
3. MIC5504-3.3YMT by Microchip Technology
4. AP7333 by Diodes Incorporated
These alternatives offer similar features such as output voltage, package type, and dropout voltage. However, always verify electrical characteristics and pin compatibility for specific application needs.

Features

The TPS73633DBVR is a low-dropout (LDO) voltage regulator from Texas Instruments. Key features include:
1. Output Voltage: Fixed 3.3V output.
2. Input Voltage Range: 1.7V to 5.5V, supporting a wide range of input conditions.
3. Dropout Voltage: Ultra-low dropout, typically 50mV at full load of 400mA.
4. Output Current: Capable of supplying up to 400mA.
5. Low Quiescent Current: Approximately 35µA, which is beneficial for battery-powered applications.
6. High PSRR: Offers a high Power Supply Rejection Ratio, enhancing performance in noisy environments.
7. Fast Transient Response: Quickly responds to changes in load conditions.
8. Soft-Start: Built-in soft-start functionality to limit inrush current during startup.
9. Stable with Low-ESR Capacitors: Can be used with ceramic capacitors as small as 1µF.
10. Thermal and Overcurrent Protection: Integrated safety features to protect against overheating and current overload.
11. Small Package: Available in a SOT-23-5 package, suitable for space-constrained applications.
These features make the TPS73633DBVR ideal for applications requiring high efficiency, low power consumption, and reliable performance.

Pinout

The TPS73633DBVR is a voltage regulator IC from Texas Instruments. It is part of the TPS736 series, which are low-dropout (LDO) regulators with a pin count of 5. These pins serve the following functions:
1. VIN: Input voltage pin where the unregulated voltage is supplied.
2. GND: Ground pin for the circuit's return path.
3. EN: Enable pin that, when driven high, turns the regulator on, and when low, turns it off.
4. VOUT: Output voltage pin where the regulated output voltage is provided.
5. NR/SS: Noise Reduction/Soft-Start pin that can be connected to an external capacitor to reduce output noise or control the soft-start feature.
The TPS73633 specifically denotes a version with a fixed output voltage of 3.3V. The device is designed for low dropout voltage and low quiescent current, suitable for battery-powered applications.

Manufacturer

The TPS73633DBVR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company headquartered in Dallas, Texas. It specializes in designing and manufacturing a wide range of semiconductor products, including analog and embedded processing chips. TI's products are used in various applications, such as automotive, industrial, consumer electronics, and communications equipment. The company is known for its innovation in technology and has a significant presence in both the analog and digital semiconductor markets.

Application

The TPS73633DBVR is a low-dropout (LDO) voltage regulator ideal for applications requiring precise voltage regulation and high power efficiency. Key application areas include:
1. Consumer Electronics: Powering microcontrollers and peripherals in smartphones, tablets, and wearables.
2. Industrial Equipment: Stabilizing voltage in sensors and communication modules for robust industrial control systems.
3. Medical Devices: Providing reliable power regulation in portable diagnostic equipment.
4. Networking Tools: Ensuring stable operation of routers and modems by offering low-noise power.
5. Automotive Systems: Supporting infotainment and electronic control units (ECUs) with regulated power supplies.
These applications benefit from the LDO's low noise, low dropout voltage, and fast transient response.

Package

The TPS73633DBVR is in a SOT-23-5 package. This denotes a small-outline transistor package with 5 leads, often used for surface-mount applications.

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