Overview
The TPS73625DCQRG4 is a low-dropout (LDO) linear voltage regulator produced by Texas Instruments. This device is part of the TPS736 series and is known for its stability and performance in a variety of applications. The TPS73625DCQRG4 operates with an input voltage range of 1.7V to 5.5V and can source up to 400mA of load current. It features an ultra-low dropout voltage of 75mV at full load, making it suitable for power-sensitive and noise-sensitive circuits. The regulator uses an NMOS pass transistor in a voltage-follower configuration, ensuring high precision and low ground pin current.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Voltage Range (VIN) | 1.7 | - | 5.5 | V |
| Output Voltage (VOUT) | 1.20 | - | 5.0 | V |
| Output Current (IOUT) | - | - | 400 | mA |
| Dropout Voltage (VDO) | - | 75 | - | mV |
| Line Regulation | - | 0.01 | - | %/V |
| Load Regulation | - | 0.002 | - | %/mA |
| Output Noise Voltage (VN) | - | 30 | - | μVRMS |
| Thermal Shutdown Temperature | - | 160 | - | °C |
| Operating Junction Temperature (TJ) | -40 | - | 125 | °C |
| Enable Pin Current (IEN) | - | 0.1 | - | μA |
| Shutdown Current (IQ) | - | <1 | - | μA |
Key Features
- Stable operation with no output capacitor or any value/type of capacitor.
- Ultra-low dropout voltage: 75mV typical.
- Excellent load transient response with or without an optional output capacitor.
- NMOS topology for low reverse leakage current.
- Low noise: 30μVRMS typical (10Hz to 100kHz).
- High accuracy: 0.5% initial accuracy and 1% overall accuracy over line, load, and temperature.
- Thermal shutdown and specified min/max current limit protection.
- Available in fixed and adjustable output voltage versions.
- Noise reduction pin (NR) for additional noise reduction.
- Low quiescent current in shutdown mode: less than 1μA.
Applications
- Portable, battery-powered equipment.
- Post-regulation for switching supplies.
- Noise-sensitive circuitry such as VCOs (Voltage-Controlled Oscillators).
- Point of load regulation for DSPs, FPGAs, ASICs, and microprocessors.
Q & A
- What is the input voltage range of the TPS73625DCQRG4? The input voltage range is from 1.7V to 5.5V.
- What is the maximum output current of the TPS73625DCQRG4? The maximum output current is 400mA.
- What is the typical dropout voltage of the TPS73625DCQRG4? The typical dropout voltage is 75mV.
- Does the TPS73625DCQRG4 require an output capacitor for stability? No, it does not require an output capacitor for stability.
- What is the noise level of the TPS73625DCQRG4? The noise level is 30μVRMS typical (10Hz to 100kHz).
- What is the thermal shutdown temperature of the TPS73625DCQRG4? The thermal shutdown temperature is 160°C.
- What is the operating junction temperature range of the TPS73625DCQRG4? The operating junction temperature range is from -40°C to 125°C.
- How does the noise reduction pin (NR) function? The noise reduction pin allows for additional reduction of output noise by connecting a noise reduction capacitor from the NR pin to GND.
- What are the typical applications of the TPS73625DCQRG4? Typical applications include portable, battery-powered equipment, post-regulation for switching supplies, noise-sensitive circuitry, and point of load regulation for DSPs, FPGAs, ASICs, and microprocessors.
- What is the quiescent current in shutdown mode? The quiescent current in shutdown mode is less than 1μA.
