TPL5031中文资料300-mA Output, High PSRR, Low-Dropout Linear Regulator数据手册3PEAK规格书

描述 Description

The TPL5031 series products are 300-mA high PSRR, low noise, and low dropout linear regulators with high output accuracy. The TPL5031 series products support both fixed output voltage ranges from 0.75V to 3.6V and adjustable output voltage ranges from 0.75V to 5V with an external resistor divider. The TPL5031 series products are stable with a 4.7μF or larger ceramic output capacitor.

The TPL5031 series products have high PSRR with 70dB at 1kHz. This feature makes TPL5031 series products very suitable for power-ripple-sensitive applications with high noise from the previous stage power supply, such as high-performance analog devices, or high-definition imaging equipment. Output shortage protection and thermal overload protection circuits improve the reliability under heavy load conditions.

The TPL5031 series products provide SOT23-5 and 1×1 DFN-4 packages with a guaranteed operating junction temperature range from −40°C to +125°C.

特性 Features

• Input Voltage Range: 1.5 V to 5.5 V

• Output Voltage Range:
• Fixed Output Voltage: 0.8 V to 3.6 V

• Adjustable Output Voltage: 0.75 V to 5 V


• ±1% Typical Output Accuracy Under Room Temperature

• 300 mA Maximum Output Current

• Low Dropout Voltage: 250 mV Typically at 300 mA

• High PSRR:
• 70 dB at 1 kHz

• 54 dB at 1 MHz


• Good Transient Response

• Stable with a 4.7 μF or Larger Ceramic Output Capacitor

• Inrush Current Control During Startup

• Thermal Shutdown and Over-Current Protection

• Temperature Range: –40°C to +125°C

• Package Options: SOT23-5、1×1 DFN-4

应用 Application

• Portable and Battery-Powered Equipment 
• Mobile Phones and Tablets 
• Digital Cameras and Audio Devices Power
Supply 
• Video Surveillance 
• Wireless and IoT modules