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AP139-33WL-7

AP139-33WL-7 Description

The AP139-33WL-7 is a linear regulator IC designed for power management applications, manufactured by Diodes Incorporated. This device features a fixed output voltage of 3.3V and is capable of delivering a maximum output current of 300mA. It operates with a maximum input voltage of 5.5V and has a dropout voltage of 0.45V at 300mA, ensuring efficient power regulation even at low input-to-output voltage differentials. The regulator is housed in a compact SOT25 package, making it suitable for space-constrained designs. Despite being marked as obsolete, the AP139-33WL-7 remains a reliable choice for applications requiring a stable 3.3V supply.

AP139-33WL-7 Features

• Output Type: Fixed
• Input Voltage Range: Up to 5.5V
• Output Current: 300mA
• Output Voltage: Fixed at 3.3V
• Dropout Voltage: 0.45V @ 300mA
• Quiescent Current: 60 µA
• Power Supply Rejection Ratio (PSRR): 75dB to 30dB across 1kHz to 100kHz
• Protection Features: Over Current, Over Temperature, Short Circuit
• Control Features: Enable
• Package Type: SOT25
• Mounting Type: Surface Mount
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Compliance: ROHS3 Compliant, REACH Unaffected

AP139-33WL-7 Applications

The AP139-33WL-7 is ideal for a variety of applications where a stable 3.3V supply is required. Its low dropout voltage and compact package make it particularly suitable for battery-powered devices, portable electronics, and embedded systems. The regulator's low quiescent current ensures minimal power consumption during standby, making it an energy-efficient choice for low-power applications. The inclusion of over-current, over-temperature, and short-circuit protection features enhances the reliability and robustness of the device in demanding environments.

Conclusion of AP139-33WL-7

The AP139-33WL-7 from Diodes Incorporated is a robust linear regulator designed to provide a stable 3.3V output with a maximum current of 300mA. Its low dropout voltage and low quiescent current make it an efficient solution for power management in compact, low-power applications. Despite its obsolete status, the AP139-33WL-7 remains a reliable choice for engineers seeking a proven and compliant power management IC. Its comprehensive protection features and compact SOT25 package ensure that it can be easily integrated into a wide range of electronic designs, providing stable and efficient power regulation.