Overview
The TLV73333PQDRVRQ1 is a low-dropout voltage regulator from Texas Instruments, designed for high-reliability and stable operations in automotive and industrial applications. This ultra-small, low quiescent current LDO can source up to 300 mA with excellent line and load transient performance. It features a modern capacitor-free architecture, ensuring stability without the need for input or output capacitors, which reduces solution size and eliminates inrush current at startup. The device is AEC-Q100 qualified for automotive applications and operates within a temperature range of -40°C to 150°C.
Key Specifications
| Parameter | Value |
|---|---|
| Output Options | Fixed Output |
| Iout (max) (A) | 0.3 |
| Vin (max) (V) | 5.5 |
| Vin (min) (V) | 1.4 |
| Vout (max) (V) | 3.3 |
| Vout (min) (V) | 1 |
| Fixed Output Options (V) | 1, 1.1, 1.2, 1.5, 1.8, 2.5, 2.8, 3, 3.3 |
| Noise (µVrms) | 120 |
| Iq (typ) (mA) | 0.034 |
| Thermal Resistance θJA (°C/W) | 93 |
| TI Functional Safety Category | Functional Safety-Capable |
| Rating | Automotive |
| Load Capacitance (min) (µF) | 0 |
| Regulated Outputs (#) | 1 |
| Features | Enable, Foldback Overcurrent Protection |
| Accuracy (%) | 1.4 |
| PSRR at 100 KHz (dB) | 28 |
| Dropout Voltage (Vdo) (typ) (mV) | 125 |
| Operating Temperature Range (°C) | -40 to 125, -40 to 150 |
| Package | WSON-6, SOT-23 |
Key Features
- AEC-Q100 Qualified for Automotive Applications: Ensures reliability and performance in automotive environments with a temperature grade 1 rating of -40°C to 125°C.
- Capacitor-Free Operation: Stable operation without the need for input or output capacitors, reducing solution size and eliminating inrush current at startup.
- Low Dropout Voltage: 125 mV at 300 mA (3.3 VOUT), ensuring efficient power delivery.
- High Accuracy: Typical accuracy of 1%, maximum accuracy of 1.4%.
- Low Quiescent Current (Iq): 34 µA, minimizing power consumption in standby modes.
- Fixed Output Voltages: Available in fixed-output voltages ranging from 1.0 V to 3.3 V.
- High PSRR: 50 dB at 1 kHz, providing good noise rejection.
- Foldback Overcurrent Protection: Reduces current during fault conditions to protect the device.
- Active Output Discharge: Quickly discharges output loads when disabled, ensuring safe shutdown.
Applications
- Automotive Infotainment Systems: Ideal for powering infotainment systems, driver assistance systems, and interior lighting in vehicles.
- Industrial Applications: Suitable for use in industrial environments where reliable and stable voltage regulation is required in harsh operating conditions.
- Consumer Electronics: Can be used in consumer electronics that require stable power management and operate within the recommended temperature range.
- Camera Modules and Navigation Systems: Applicable in various electronic systems requiring low dropout voltage regulation.
Q & A
- Q: What are the typical operating conditions for the TLV73333PQDRVRQ1?
A: The component operates within a temperature range of -40°C to +150°C and can withstand up to 15 Gs of vibration. - Q: Can I use the TLV73333PQDRVRQ1 in consumer electronics applications?
A: Yes, the component is suitable for use in consumer electronics that require stable power management and operate within the recommended temperature range. - Q: What kind of maintenance does the TLV73333PQDRVRQ1 require?
A: The component requires occasional cleaning to ensure optimal performance, but this should be done by a qualified technician to avoid damaging the device. - Q: Are there any specific installation guidelines for the TLV73333PQDRVRQ1?
A: Yes, refer to the datasheet provided by Texas Instruments for detailed instructions on installing and configuring the component for optimal performance. - Q: What is the maximum output current of the TLV73333PQDRVRQ1?
A: The maximum output current is 300 mA. - Q: What is the input voltage range for the TLV73333PQDRVRQ1?
A: The input voltage range is from 1.4 V to 5.5 V. - Q: Does the TLV73333PQDRVRQ1 require an output capacitor for stability?
A: No, the TLV73333PQDRVRQ1 is designed to operate stably without an output capacitor, although it can also be stable with ceramic output capacitors if needed. - Q: What is the typical quiescent current (Iq) of the TLV73333PQDRVRQ1?
A: The typical quiescent current is 34 µA. - Q: What is the dropout voltage of the TLV73333PQDRVRQ1 at 300 mA?
A: The dropout voltage is 125 mV at 300 mA (3.3 VOUT). - Q: Does the TLV73333PQDRVRQ1 have overcurrent protection?
A: Yes, it features foldback overcurrent protection to protect the device during fault conditions.
