Overview
The TLV70033DDCR is a low-dropout (LDO) linear voltage regulator designed for low-power and noise-sensitive applications. It is widely used in microcontroller power rails, portable electronics, and sensor modules, where low quiescent current and stable output voltage are required.
Core Parameters
| Parameter | Value |
|---|---|
| Output Voltage | 3.3 V (fixed) |
| Input Voltage Range | Up to 5.5 V |
| Output Current | Up to 200 mA |
| Dropout Voltage | Typically 250 mV at full load |
| Quiescent Current | ~35 µA |
| Output Noise | Low-noise architecture |
| Package | SOT-23-5 (DDC) |
| Operating Temperature | –40°C to +125°C |
These parameters make the device suitable for battery-powered and space-constrained designs, especially where low power consumption and clean power rails are critical.
Features
- Fixed 3.3 V output with high accuracy
- Ultra-low quiescent current for extended battery life
- Stable with small ceramic output capacitors
- Low output noise ideal for analog and RF circuits
- Integrated current limit and thermal shutdown protection
- Available in tape-and-reel format such as TLV70033DDCT for automated assembly
Typical Application Scenarios
- Power supply for microcontrollers and logic ICs
- Wearable and portable consumer electronics
- Sensor biasing and signal conditioning circuits
- Wireless modules and low-power IoT devices
- Battery-powered industrial and medical equipment
The TLV70018DDCR is a closely related low-dropout regulator in the same TLV700 family as the TLV70033DDCR. It offers similar low quiescent current and fast transient response, but with a 1.8 V fixed output, making it ideal for powering low-voltage digital cores in compact, battery-powered designs.
Performance Comparison
Compared with older LDOs or higher-current regulators, the TLV70033DDCR offers significantly lower quiescent current and reduced output noise, making it more suitable for always-on or standby-powered systems. While high-current LDOs may deliver more load capability, they often consume more idle power and generate higher noise.
Conclusion
The TLV70033DDCR provides an excellent balance of low power consumption, compact size, and stable regulation, making it a reliable choice for modern low-voltage electronic designs. Its performance characteristics align well with the requirements of energy-efficient and noise-sensitive applications.
Manufacturer Profile
Texas Instruments (TI) is a global leader in analog and embedded semiconductor solutions. With decades of experience in power management, TI’s LDO regulators are widely adopted across consumer, industrial, automotive, and communications markets.
FAQ
Q1: What type of applications benefit most from TLV70033DDCR?
A1: It is ideal for low-power systems such as microcontrollers, sensors, wireless modules, and portable devices that require a stable 3.3 V supply.
Q2: What are the typical applications of the TLV70033DDCR?
A2: The TLV70033DDCR is commonly used in low-power microcontroller systems, sensors, RF modules, and portable electronics. Its low quiescent current and stable output make it suitable for battery-powered and always-on applications.
Q3: Is TLV70033DDCR suitable for battery-powered designs?
A3: Yes. Its ultra-low quiescent current and low dropout voltage make it highly suitable for battery-operated applications.
Q4: How can the quality of TLV70033DDCR be verified?
A4: 7SEtronic follows a comprehensive quality inspection SOP, including label verification, visual inspection, dimensional checks, and X-ray analysis where applicable, ensuring product authenticity and reliability.
For more information and to review our available inventory, please contact our team for detailed pricing, current stock levels, and any additional technical support you may need.
You can find more component guides and application notes in our Component Technical Guides section: