Description

TPS71550QDCKRQ1 – TI

Description

The TPS71550QDCKRQ1 is a low-dropout (LDO) linear voltage regulator designed for high-current applications. This device provides a high-accuracy output voltage and is suitable for use in a wide range of electronic systems.

Features

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage: 5V
• Output Current: Up to 500mA
• Dropout Voltage: 250mV at 500mA
• Accuracy: ±2% over temperature
• Operating Temperature Range: -40°C to 125°C
• Package: QDCKR (2.90mm x 1.60mm x 0.55mm)

Key Parameters

• Input Capacitor: 1μF
• Output Capacitor: 1μF
• Noise Reduction: Up to 40dB

Applications

• Portable Electronic Devices: Mobile phones, PDAs, and portable media players
• Wireless Communication Devices: Wi-Fi, Bluetooth, and wireless local area networks (WLANs)
• Medical Devices: Patient monitoring equipment, medical imaging devices, and portable defibrillators

Technical Specifications

Electrical Characteristics

• Input Voltage: 2.7V to 5.5V
• Output Voltage: 5V
• Output Current: Up to 500mA
• Dropout Voltage: 250mV at 500mA
• Line Regulation: ±0.5% over input voltage range
• Load Regulation: ±1% over output current range
• Output Noise: 40μVrms (10Hz to 100kHz)
• Power Supply Rejection Ratio (PSRR): -40dB at 1kHz

Thermal Characteristics

• Thermal Resistance (θJA): 50°C/W
• Thermal Resistance (θJC): 20°C/W
• Operating Temperature Range: -40°C to 125°C
• Storage Temperature Range: -65°C to 150°C

Packaging Information

• Package Type: QDCKR (2.90mm x 1.60mm x 0.55mm)
• Number of Pins: 5
• Pin Configuration:
  • Pin 1: Input
  • Pin 2: Ground
  • Pin 3: Output
  • Pin 4: NC
  • Pin 5: Enable