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TPS78450QDBVRQ1
+Lista de MateriaisIC POWER
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FabricanteTexas Instruments
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Peça do Fabricante #TPS78450QDBVRQ1
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Pacote SOT-23-5
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Especificações
| Atributo | Valor |
| Package / Case | Tape & Reel (TR) |
| Series | Automotive, AEC-Q100 |
| Part Status | Active |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 6V |
| Voltage - Output (Min/Fixed) | 5V |
| Voltage Dropout (Max) | 0.115V @ 300mA |
| Current - Output | 300mA |
| Current - Quiescent (Iq) | 40 µA |
| PSRR | 60dB ~ 30dB (1kHz ~ 1MHz) |
| Control Features | Current Limit, Enable, Soft Start |
| Protection Features | Over Current, Over Temperature, Under Voltage Lockout (UVLO) |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
Visão Geral
Description
Key features include a low quiescent current, which helps to maximize battery life, and excellent line and load transient performance, ensuring stable output even with input voltage variations or load changes. It operates over a wide input voltage range and offers features like thermal shutdown and current limit protection to enhance reliability and safety.
The device comes in a compact SOT-23 package, making it suitable for space-constrained applications. It is often used in power-sensitive applications within automotive infotainment systems, advanced driver-assistance systems (ADAS), and body electronics. The TPS78450QDBVRQ1's combination of efficiency, reliability, and compliance with automotive standards makes it a popular choice for designers in the automotive industry.
Equivalent
Features
1. Output Voltage: Provides a fixed 5.0V output.
2. Input Voltage Range: Operates from 2.9V to 5.5V.
3. Output Current: Supports up to 500 mA.
4. Low Dropout Voltage: Enhances efficiency by reducing power dissipation.
5. Quiescent Current: Ultra-low quiescent current, typically 1 µA, making it suitable for battery-powered applications.
6. Fast Transient Response: Quickly responds to changes in load conditions.
7. Low Noise: Designed to ensure minimal output voltage noise.
8. Thermal Protection: Incorporates thermal shutdown and current limit protection for reliability.
9. Stable with Small Capacitors: Compatible with small ceramic output capacitors.
10. Automotive Grade: AEC-Q100 qualified, ensuring high reliability in automotive environments.
11. Package: Available in a small SOT-23-5 package.
These features make the TPS78450QDBVRQ1 ideal for applications requiring efficient, low-power voltage regulation, especially in automotive and battery-powered devices.
Pinout
1. VIN (Pin 1): Input voltage pin where the supply voltage is applied.
2. GND (Pin 2): Ground pin, which is the common return path for input and output.
3. EN (Pin 3): Enable pin used to turn the regulator on or off. Driving this pin high enables the regulator, while driving it low disables it.
4. NR/FB (Pin 4): Noise reduction pin (for the adjustable version) or feedback pin used to set the output voltage for the adjustable version.
5. VOUT (Pin 5): Output voltage pin where the regulated output voltage is obtained.
The TPS78450QDBVRQ1 is designed for automotive applications and offers features like a low dropout voltage, low quiescent current, and high PSRR, making it suitable for powering sensitive electronics.