onsemi

NCP4688DSN28T1G

NCP4688DSN28T1G Description

The NCP4688DSN28T1G is a linear regulator IC designed for power management applications, manufactured by onsemi. This device is part of the Power Management Integrated Circuit (PMIC) category and is housed in a Surface Mount SOT23-5 package. It features a fixed output voltage of 2.8V and can deliver a maximum output current of 150mA. The regulator is designed to operate with an input voltage range up to 5.25V, ensuring compatibility with a variety of power sources. The NCP4688DSN28T1G is known for its low dropout voltage of 0.28V at 150mA, which enhances efficiency and performance in low-voltage applications.

NCP4688DSN28T1G Features

• Output Type: Fixed
• Voltage - Input (Max): 5.25V
• Current - Output: 150mA
• Number of Regulators: 1
• Output Configuration: Positive
• Voltage - Output (Min/Fixed): 2.8V
• Voltage Dropout (Max): 0.28V @ 150mA
• Current - Quiescent (Iq): 100 µA
• PSRR: 80dB to 65dB (1kHz to 100kHz)
• Control Features: Enable
• Protection Features: Over Current
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Package: Tape & Reel (TR)
• Product Status: Obsolete
• REACH Status: REACH Unaffected
• ECCN: EAR99
• HTSUS: 8542.39.0001

The NCP4688DSN28T1G stands out due to its low quiescent current of 100 µA, which is crucial for battery-powered devices where minimizing power consumption is essential. The regulator also offers a high Power Supply Rejection Ratio (PSRR) ranging from 80dB to 65dB across frequencies from 1kHz to 100kHz, ensuring stable output voltage even under varying input conditions. The enable control feature allows for dynamic power management, making it suitable for applications requiring power sequencing or sleep modes.

NCP4688DSN28T1G Applications

The NCP4688DSN28T1G is ideal for a range of applications where a stable and efficient power supply is required. Its low dropout voltage and fixed output voltage make it suitable for portable devices, consumer electronics, and industrial systems. Specific use cases include:

• Portable Devices: Smartphones, tablets, and wearable technology where battery life and efficiency are critical.
• Consumer Electronics: Audio and video equipment, gaming consoles, and home automation systems.
• Industrial Systems: Sensors, actuators, and embedded systems where reliability and low power consumption are paramount.

The regulator's overcurrent protection feature ensures robustness against short circuits and overloads, enhancing system reliability. The SOT23-5 package is compact and suitable for space-constrained designs, further expanding its application scope.

Conclusion of NCP4688DSN28T1G

The NCP4688DSN28T1G is a versatile and efficient linear regulator designed for a wide range of power management applications. Its low dropout voltage, low quiescent current, and high PSRR make it an excellent choice for applications requiring stable and efficient power delivery. Despite its obsolete status, the NCP4688DSN28T1G remains a reliable option for engineers and designers seeking a compact, high-performance regulator. Its unique features, such as the enable control and overcurrent protection, provide added flexibility and robustness, making it a standout choice in the PMIC category.