Overview
The TPS79718DCKTG4 from Texas Instruments is a highly efficient, low-dropout (LDO) voltage regulator designed to meet the rigorous demands of modern electronic devices. This regulator offers the benefits of low noise performance, high output voltage accuracy, and low power consumption. It is ideal for applications that require a stable and clean power supply, particularly in powering sensitive analog and RF circuitry.
The device is suitable for a variety of systems, including wireless communication devices, medical equipment, and portable consumer electronics. Its ability to maintain a constant voltage despite variations in load and input voltage makes it a reliable choice for precision applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Nominal Output Voltage | 1.8 | V |
| Output Current | 50 | mA |
| Operating Supply Current | 2 | μA |
| Input Voltage Range | 1.8 to 5.5 | V |
| Dropout Voltage | 105 | mV (at 10 mA load current) |
| Line Regulation | 0.15 %/V | |
| Load Regulation | 5 mV | |
| Power Supply Rejection Ratio (PSRR) | 50 dB (at 100 Hz) | |
| Operating Temperature Range | -40°C to 85°C | |
| Package Type | SC-70-5 |
Key Features
- Fixed Positive Output Voltage: 1.8V with up to 50mA current capacity.
- Low Quiescent Current: 2 μA, ensuring minimal power loss and efficient operation.
- High PSRR: 50dB at 100Hz, providing stable and clean output voltage.
- Protection Features: Overcurrent protection, reverse polarity protection, and power good feature for monitoring output status.
- Compact Package: SC-70-5 package, suitable for space-constrained applications.
- Wide Operating Temperature Range: -40°C to 85°C, making it suitable for various environmental conditions.
Applications
- Portable Electronics: Mobile phones, tablets, handheld devices like GPS and digital cameras, and wearable devices such as smartwatches and fitness trackers.
- IoT Devices: Sensors and gateways.
- Medical Devices: Implantable devices and portable diagnostic equipment.
- Consumer Electronics: Devices requiring a reliable and compact voltage regulator.
Q & A
- What is the nominal output voltage of the TPS79718DCKTG4?
The nominal output voltage is 1.8V.
- What is the maximum output current of the TPS79718DCKTG4?
The maximum output current is 50mA.
- What is the operating supply current of the TPS79718DCKTG4?
The operating supply current is 2 μA.
- What is the input voltage range for the TPS79718DCKTG4?
The input voltage range is from 1.8V to 5.5V.
- What is the dropout voltage of the TPS79718DCKTG4 at 10 mA load current?
The dropout voltage is typically 105 mV at 10 mA load current.
- What protection features does the TPS79718DCKTG4 offer?
The device offers overcurrent protection, reverse polarity protection, and a power good feature.
- What is the operating temperature range of the TPS79718DCKTG4?
The operating temperature range is from -40°C to 85°C.
- What package type is the TPS79718DCKTG4 available in?
The device is available in a SC-70-5 package.
- What are some typical applications for the TPS79718DCKTG4?
Typical applications include portable electronics, IoT devices, medical devices, and consumer electronics.
- Why is the TPS79718DCKTG4 suitable for battery-powered devices?
The device is suitable due to its low quiescent current and low dropout voltage, which help in maximizing battery life.
