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Home > Products > Integrated Circuits (ICs) > Power Management (PMIC) > Voltage Regulators - Linear, Low Drop Out (LDO) Regulators

Texas Instruments TLV70033DCKR

Name: TLV70033DCKR
Brand: Texas Instruments
SKU: TLV70033DCKR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: TLV70033DCKR

Manufacturer:: Texas Instruments

Category:: Voltage Regulators - Linear, Low Drop Out (LDO) Regulators

Package:: 5-TSSOP, SC-70-5, SOT-353

Datasheet:: TLV70033DCKR.pdf

Description:: IC REG LINEAR 3.3V 200MA SC70-5

Quantity:: RFQ Add To RFQ list

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Inventory:10,894

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Product details

Overview

TLV70033DCKR from Texas Instruments is a low-dropout linear voltage regulator designed to provide stable 3.3 V output power for low-current embedded and portable electronic systems. The device features low quiescent current, fast transient response, thermal protection, and compact packaging, making it suitable for battery-powered products, sensor modules, industrial controllers, and low-noise analog supply rails.

As a compact LDO regulator, TLV70033DCKR helps convert higher or unstable DC input voltages into a stable regulated 3.3 V output for MCUs, sensors, wireless modules, and analog front-end circuits. For engineers reviewing the TLV70033DCKR datasheet, TLV70033DCKR pinout, TLV70033DCKR application, or TLV70033DCKR equivalent, this device is commonly used in embedded power management and low-noise system designs.

Technical Context

In embedded power architectures, TLV70033DCKR is typically placed between a primary DC source and low-voltage digital or analog loads requiring stable regulated supply voltage. The regulator receives input power from batteries, DC/DC converters, USB rails, or industrial power systems and delivers a low-noise regulated 3.3 V output to downstream electronics.

The device supports low dropout operation, allowing efficient regulation even when the input voltage is only slightly higher than the output voltage. Its low quiescent current helps extend battery life in portable and always-on applications, while built-in current limiting and thermal shutdown improve overall power system reliability.

TLV70033DCKR is widely used in sensor nodes, wireless communication modules, industrial embedded systems, and analog signal conditioning circuits where low noise and compact PCB footprint are important.

Key Specifications

Parameter	Value and Actual Design Meaning
Output Voltage	Fixed 3.3 V regulated output, supporting stable power delivery for microcontrollers, sensors, wireless modules, and low-voltage analog circuits.
Output Current	Up to 200 mA output capability, suitable for low-power embedded systems and compact peripheral power rails.
Dropout Voltage	Typically 175 mV at 200 mA, helping maintain regulation efficiency when operating close to the desired output voltage.
Quiescent Current	Typically 35 µA ground current, helping reduce standby power consumption in battery-powered devices.
Input Voltage Range	2 V to 5.5 V input operation supports USB-powered systems, lithium battery applications, and low-voltage industrial electronics.
Output Accuracy	Typical ±2% output accuracy helps maintain stable voltage levels for precision digital and analog loads.
Protection Features	Integrated thermal shutdown and current limiting improve regulator safety and system reliability during abnormal operating conditions.

Pinout & Package

The TLV70033DCKR pinout is available in a compact 5-pin SC70 package optimized for space-constrained embedded PCB designs. The device includes input voltage, regulated output, enable control, ground, and no-connect or thermal support pin functions depending on the package variant.

For PCB layout, input and output capacitors should be placed close to the regulator pins to maintain loop stability and transient response performance. Ground routing should remain short and low impedance, while high-current switching traces should be kept away from sensitive analog sections powered by the regulator.

Pin / Function	PCB Design and Circuit Role
VIN	Primary DC input supply for the regulator. Local input bypass capacitors help reduce supply ripple and improve stability.
VOUT	Provides regulated 3.3 V output for downstream MCU, sensor, RF, or analog circuitry.
EN	Enable control pin allowing power sequencing and low-power shutdown control from a microcontroller or power management IC.
GND	Ground reference connection. Low-impedance grounding helps reduce output noise and improve regulation accuracy.
NC / Thermal Pin	Package support connection depending on variant. PCB copper area may help improve thermal dissipation performance.

Key Features

Low dropout voltage architecture improves efficiency in battery-powered and low-headroom power conversion applications.
Low quiescent current operation helps extend battery runtime in portable electronics and always-on embedded systems.
Integrated thermal shutdown and current limiting protection improve power rail reliability during overload or fault conditions.
Compact SC70 package supports dense PCB layouts in wearable devices, wireless modules, and compact industrial electronics.
Stable regulated 3.3 V output helps maintain reliable MCU, sensor, and RF module operation in noisy power environments.
Enable pin functionality supports intelligent power sequencing and low-power standby control in embedded system architectures.

Applications

Embedded Controller Power Rails

Wireless Communication Modules

Use Scenario: Used in MCU control boards, industrial embedded systems, and low-voltage logic platforms.

IC Role: TLV70033DCKR regulates incoming DC voltage into a stable 3.3 V rail for processors and peripherals.

Use Value: Helps maintain reliable digital operation with low standby current and compact PCB integration.

Use Scenario: Used in Wi-Fi, Bluetooth, Zigbee, and RF communication modules requiring stable low-noise supply rails.

IC Role: Provides clean regulated voltage for RF transceivers and wireless processing circuitry.

Use Value: Helps reduce power noise and improve wireless communication stability.

Portable Battery Systems

Sensor and Analog Front-End Circuits

Use Scenario: Used in handheld devices, portable instrumentation, and battery-powered industrial products.

IC Role: Converts battery voltage into stable low-voltage power for embedded electronics.

Use Value: Helps improve battery runtime through low quiescent current operation.

Use Scenario: Used in analog sensor conditioning, precision measurement nodes, and low-noise analog subsystems.

IC Role: Supplies regulated low-noise voltage to sensitive analog circuitry.

Use Value: Helps improve analog measurement stability and reduce supply-related noise interference.

Equivalent & Alternatives

When evaluating a TLV70033DCKR equivalent, engineers should compare output current capability, dropout voltage, quiescent current, package size, and thermal characteristics.

Alternative Part	Technical Difference	Application Difference	Selection Advice
TLV70233DBVR	Offers similar low-current LDO regulation with different transient and quiescent current characteristics.	More suitable for ultra-low-power portable applications prioritizing lower standby current consumption.	Choose TLV70033DCKR when balanced transient response and stable general-purpose embedded regulation are required.
TPS7A2033PDBVR	Provides lower noise and improved PSRR performance compared with TLV70033DCKR.	Better suited for sensitive analog, RF, and precision measurement power rails requiring enhanced noise suppression.	Choose TLV70033DCKR for compact general embedded regulation, while TPS7A2033PDBVR is preferred for higher-performance low-noise analog systems.

Compared with TLV70233DBVR, TLV70033DCKR is optimized for stable general embedded power regulation with balanced efficiency and transient response. TLV70033DCKR vs TPS7A2033PDBVR selection depends on whether the design prioritizes compact low-power regulation or higher-performance low-noise analog power delivery.

Quality

TLV70033DCKR should be sourced as original Texas Instruments components through traceable and controlled supply channels. Quality verification procedures may include package inspection, marking verification, moisture sensitivity handling review, solderability checks, and electrical testing according to industrial procurement requirements.

Because the regulator is commonly used in embedded and analog systems, ESD-safe handling and proper storage conditions help maintain long-term reliability. Traceable sourcing and controlled inventory management reduce counterfeit risk and improve production consistency.

Availability

TLV70033DCKR available at Aetrix Electronics and is suitable for embedded power regulation and low-voltage electronic platforms requiring stable component availability and repeatable production support.

Supply support may include volume procurement planning, scheduled delivery arrangements, traceable sourcing management, and long-term supply support for OEM, industrial, communication, and embedded electronics production programs.

For production builds, confirming package format, date code, lead time, and supply continuity helps improve purchasing stability and reduce manufacturing interruption risk.

Manufacturer

Texas Instruments is a leading semiconductor manufacturer with strong expertise in analog ICs, power management, embedded processing, and precision signal chain technologies. Its LDO regulator portfolio supports industrial, consumer, communication, automotive, and portable electronic applications.

For embedded power management systems, Texas Instruments provides broad documentation resources, reference designs, long lifecycle support, and extensive application guidance to help engineers integrate devices such as TLV70033DCKR into production-ready designs.

FAQ

What is TLV70033DCKR used for?

TLV70033DCKR is used for low-voltage power regulation in embedded controllers, wireless communication modules, portable electronics, sensors, and analog signal conditioning systems requiring stable 3.3 V output.

Where can I find the TLV70033DCKR datasheet download?

The TLV70033DCKR datasheet download is available from Texas Instruments. The datasheet includes electrical specifications, dropout characteristics, thermal information, layout recommendations, and application examples.

What should be considered in TLV70033DCKR pinout design?

TLV70033DCKR pinout design should prioritize short capacitor routing, low-impedance grounding, proper thermal copper layout, and separation from high-current switching traces to maintain regulator stability and low-noise output performance.

Is TLV70033DCKR suitable for battery-powered systems?

Yes. TLV70033DCKR is suitable for battery-powered applications because of its low dropout voltage and low quiescent current characteristics, helping improve power efficiency and battery runtime.

What are common TLV70033DCKR equivalent solutions?

Common TLV70033DCKR equivalent alternatives include TLV70233DBVR and TPS7A2033PDBVR depending on the required balance between standby current, output noise, transient response, and analog performance.

TLV70033DCKR Specifications

Product attributes: Attribute value

Manufacturer:: Texas Instruments

Series:: -

Package/Case:: 5-TSSOP, SC-70-5, SOT-353

Packaging:: Tape & Reel (TR)

Product Status:: Active

Output Configuration:: Positive

Output Type:: Fixed

Number of Regulators:: 1

Voltage - Input (Max):: 5.5V

Voltage - Output (Min/Fixed):: 3.3V

Voltage - Output (Max):: -

Voltage Dropout (Max):: 0.25V @ 200mA

Current - Output:: 200mA

Current - Quiescent (Iq):: 55 µA

Current - Supply (Max):: 270 µA

PSRR:: 68dB (1kHz)

Control Features:: Enable

Protection Features:: Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)

Operating Temperature:: -40°C ~ 125°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: SC-70-5

TLV70033DCKR FAQ

1.How can I place an order for TLV70033DCKR through Aetrix?

Please submit a Request for Quotation (RFQ) for TLV70033DCKR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for TLV70033DCKR reliable?

The price and inventory of TLV70033DCKR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV70033DCKR is usually 5 days.

3.What payment methods are accepted for TLV70033DCKR?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV70033DCKR transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for TLV70033DCKR?

TLV70033DCKR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your TLV70033DCKR order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for TLV70033DCKR?

For technical support, including TLV70033DCKR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV70033DCKR requirements.

6.How does Aetrix verify that TLV70033DCKR is sourced from the original manufacturer or authorized distributors?

All TLV70033DCKR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TLV70033DCKR meets industry standards.

7.What is the process for return or replacement of TLV70033DCKR?

All TLV70033DCKR units undergo pre-shipment inspection (PSI). If there is an issue with TLV70033DCKR, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The TLV70033DCKR part is unused and in its original packaging.

Return procedure for TLV70033DCKR:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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