Overview
The TPS7A7300RGWR is a low-dropout (LDO) voltage regulator designed by Texas Instruments. This device is optimized for applications requiring very-low dropout voltage and high current output. The TPS7A7300 features an innovative user-configurable output voltage setting, allowing for a wide range of output voltages from 0.9 V to 3.5 V in fixed configurations, and up to 5 V in adjustable configurations. It operates with an input voltage range of 1.5 V to 6.5 V and offers excellent load and line transient response, making it suitable for various applications including wireless infrastructure, RF components, set-top boxes, PCs, printers, and audio-visual equipment.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VIN Input Voltage Range | 1.5 | 6.5 | V | |
| VOUT Output Voltage Range (Fixed) | 0.9 | 3.5 | V | |
| VOUT Output Voltage Range (Adjustable) | 0.9 | 5 | V | |
| Dropout Voltage (VOUT ≤ 3.3 V, IOUT = 3 A) | 240 | mV | ||
| Output Current Limit | 3.6 | A | ||
| Output Voltage Accuracy (Fixed, 25 mA ≤ IOUT ≤ 3 A) | -3.0% | 3.0% | ||
| Line Regulation (IOUT = 25 mA) | 0.01 | %/V | ||
| Load Regulation (25 mA ≤ IOUT ≤ 3 A) | 0.1 | %/A | ||
| Operating Junction Temperature | -40 | 125 | °C | |
| Package Type | 20-pin VQFN (RGW) | |||
| Package Size | 5 mm × 5 mm |
Key Features
- Low-dropout voltage: 240 mV at 3 A
- User-configurable output voltage setting from 0.9 V to 3.5 V in fixed configurations and up to 5 V in adjustable configurations
- Wide input voltage range: 1.5 V to 6.5 V
- Very good load- and line-transient response
- Stable with ceramic output capacitors
- 2% accuracy over line, load, and temperature
- Programmable soft-start
- Power-good (PG) output for sequencing power rails
- Compact 5-mm × 5-mm, 20-pin VQFN package with exposed thermal pad
Applications
- Wireless infrastructure
- RF components
- Set-top boxes
- PCs and printers
- Audio and visual equipment
Q & A
- What is the dropout voltage of the TPS7A7300 at 3 A?
The dropout voltage is 240 mV at 3 A.
- What is the input voltage range of the TPS7A7300?
The input voltage range is from 1.5 V to 6.5 V.
- How can the output voltage of the TPS7A7300 be configured?
The output voltage can be configured using the output voltage setting pins, allowing for a range from 0.9 V to 3.5 V in fixed configurations and up to 5 V in adjustable configurations.
- What is the accuracy of the output voltage over line, load, and temperature?
The output voltage accuracy is better than 2% over line, load, and temperature.
- Does the TPS7A7300 support soft-start and power-good features?
Yes, it supports programmable soft-start and has a power-good (PG) output for sequencing power rails.
- What type of package is the TPS7A7300 available in?
The TPS7A7300 is available in a 5-mm × 5-mm, 20-pin VQFN package with an exposed thermal pad.
- What are some typical applications for the TPS7A7300?
Typical applications include wireless infrastructure, RF components, set-top boxes, PCs and printers, and audio and visual equipment.
- Is the TPS7A7300 stable with ceramic output capacitors?
Yes, the TPS7A7300 is stable with ceramic output capacitors.
- What is the operating junction temperature range of the TPS7A7300?
The operating junction temperature range is from -40°C to 125°C.
- Does the TPS7A7300 have thermal protection features?
Yes, it includes thermal shutdown and reset features.
