Overview
The TLV70018DDCT is a low-dropout (LDO) linear voltage regulator manufactured by Texas Instruments. Designed for power-sensitive applications, this component offers exceptional line and load transient performance. It is part of the TLV700 series, which is known for its low quiescent current and high accuracy. The TLV70018DDCT is particularly suitable for portable and battery-powered devices due to its compact size, low noise, and high power supply rejection ratio (PSRR). Its fixed 1.8V output and robust thermal protection make it ideal for a wide range of electronic applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 1.8 | V | Fixed |
| Output Current | 200 | mA | |
| Input Voltage Range | 2 to 5.5 | V | |
| Dropout Voltage | 175 | mV | at 200 mA |
| Quiescent Current | 31 | µA | |
| PSRR | 68 | dB | at 1 kHz |
| Accuracy | ±2 | % | |
| Operating Temperature | -40 to +125 | °C | |
| Package | SOT-23-5 Thin | ||
| Dimensions | 2.9 x 1.6 x 0.87 | mm |
Key Features
- Low dropout voltage of 175 mV at 200 mA ensures efficient operation even with low input voltages.
- High PSRR of 68 dB at 1 kHz minimizes noise and interference in sensitive applications.
- Low quiescent current of 31 µA extends battery life in portable devices.
- Fixed 1.8V output with ±2% accuracy provides reliable voltage regulation.
- Thermal shutdown and overcurrent protection enhance device safety and durability.
- Stable with a small 0.1 µF ceramic capacitor, reducing board space and cost.
Applications
The TLV70018DDCT is widely used in power-sensitive applications, including wireless communication devices, portable electronics, and battery-powered systems. Its compact size and low power consumption make it ideal for smartphones, PDAs, ZigBee® networks, Bluetooth® devices, and WLAN modules. Additionally, it is suitable for lithium-ion-powered handheld products and other PC add-on cards. The regulator's high PSRR and low noise characteristics ensure reliable performance in noise-sensitive environments.
Q & A
1. What is the output voltage of the TLV70018DDCT?
The TLV70018DDCT provides a fixed output voltage of 1.8V.
2. What is the maximum output current?
The maximum output current is 200 mA.
3. What is the input voltage range?
The input voltage range is from 2V to 5.5V.
4. What is the dropout voltage?
The dropout voltage is 175 mV at 200 mA.
5. What is the quiescent current?
The quiescent current is 31 µA.
6. What is the PSRR of the TLV70018DDCT?
The PSRR is 68 dB at 1 kHz.
7. Is the TLV70018DDCT RoHS compliant?
Yes, the TLV70018DDCT is RoHS compliant.
8. What is the operating temperature range?
The operating temperature range is -40°C to +125°C.
9. What package does the TLV70018DDCT use?
It uses the SOT-23-5 Thin package.
10. Is the TLV70018DDCT stable with small capacitors?
Yes, it is stable with a small 0.1 µF ceramic capacitor.
