TPS74401RGWR specifications:
General Information:
- Part Number: TPS74401RGWR
- Manufacturer: Texas Instruments
- Package Type: VQFN-20 (RGW)
- Function: Low-Dropout (LDO) Linear Voltage Regulator
Electrical Specifications:
- Input Voltage Range: 5.5V
- Adjustable Output Voltage: 0.8V to 3.6V
- Maximum Output Current: 3A
- Dropout Voltage (Typ @ 3A): 0.24V (very low dropout)
- Power Supply Rejection Ratio (PSRR): 73dB ~ 50dB (1kHz ~ 800kHz)
Performance Features:
- Soft-Start Control: Adjustable for output voltage ramp-up
- Power Good (PG) Output: Indicates proper operation
- Fast Transient Response: Suitable for powering FPGAs, DSPs, and microprocessors
- Stable with Low ESR Capacitors: Works well with ceramic capacitors
- Thermal Shutdown Protection: Prevents overheating
- Overcurrent Protection: Limits excessive current draw
Physical & Package Details:
- Package Type: 20-Pin VQFN (RGW)
- Package Size: 5.00mm × 5.00mm
The TPS74401RGWR from Texas Instruments is a highly efficient, low-dropout (LDO) linear regulator designed for applications that demand precise voltage control and fast transient response. Not only does it support an adjustable output voltage range from 0.8V to 3.6V, but it also delivers a maximum output current of 3A, making it an excellent choice for powering FPGAs, DSPs, and microprocessors. Furthermore, its ultra-low dropout voltage of just .24v at 3A ensures that the regulator can maintain stable operation even under demanding load conditions. Because it is designed to be compatible with low ESR ceramic capacitors, it not only simplifies circuit design but also improves overall performance. Consequently, engineers favor this component for telecom, industrial automation, and medical applications, where reliability and precision are paramount.
In addition to its impressive electrical characteristics, the TPS74401RGWR offers several protection and control features that enhance system safety and flexibility. For instance, its adjustable soft-start function enables designers to precisely control the output voltage ramp-up, thereby preventing inrush currents that could otherwise damage sensitive components. Moreover, the inclusion of a power-good (PG) output ensures that the system can monitor the regulator’s status, which is especially useful in fault-tolerant designs. Not only does it feature thermal shutdown protection, but it also incorporates overcurrent protection, both of which prevent damage due to excessive heat or current surges. Because it comes in a compact 20-pin VQFN package, it is not only space-efficient, but it also provides excellent thermal performance, making it ideal for high-density PCB layouts. Ultimately, with its low-noise operation, robust protection mechanisms, and high efficiency, the TPS74401RGWR remains a versatile and reliable solution for power management in advanced electronic systems.
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