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S-1155B18-U5T1G

S-1155B18-U5T1G Description

The S-1155B18-U5T1G is a linear voltage regulator designed by ABLIC Inc., offering a fixed output voltage of 1.8V and a maximum output current of 500mA. This regulator is housed in a compact SOT89-5 package, making it suitable for surface-mount applications. Despite its small size, the S-1155B18-U5T1G boasts a low dropout voltage of 0.15V at 200mA, ensuring efficient operation even at low input voltages. It features a low quiescent current of just 1µA and a supply current of 90µA, making it ideal for low-power applications. The regulator also includes enable control and protection features such as overcurrent and thermal shutdown, enhancing its reliability and versatility.

S-1155B18-U5T1G Features

• Output Type: Fixed
• Input Voltage Range: Up to 5.5V
• Output Voltage: Fixed at 1.8V
• Output Current: Up to 500mA
  -Low ** Dropout Voltage**: 0.15V @ 200mA
• Low Quiescent Current: 1µA
• Low Supply Current: 90µA
• Enable Control: Provides flexibility in system design
• Protection Features: Overcurrent and thermal shutdown ensure robust operation
• High PSRR: 65dB at 1kHz, minimizing noise and ripple
• Com:pliance ROHS3 compliant and REACH unaffected
• Moisture Sensitivity Level: MSL 1 (Unlimited), suitable for various environmental conditions
• Mounting Type: Surface mount, ideal for compact and space-constrained designs
• Packaging: Tape & Reel (TR), facilitating efficient manufacturing processes

S-1155B18-U5T1G Applications

The S-1155B18-U5T1G is well-suited for a variety of applications where low power consumption and high efficiency are critical. Its low dropout voltage and low quiescent current make it ideal for battery-powered devices, portable electronics, and IoT devices. The regulator's fixed output voltage and enable control feature allow for precise power management in embedded systems and microcontroller applications. Additionally, its compact SOT89-5 package and surface-mount design make it suitable for space-constrained applications, such as wearable technology and devices medical.

Conclusion of S-1155B18-U5T1G

The S-1155B18-U5T1G is a versatile and efficient linear voltage regulator that offers significant advantages over similar models. Its low dropout voltage, low quiescent current, and enable control feature make it a standout choice for low-power applications. The inclusion of overcurrent and thermal shutdown protection ensures reliable operation, while its compact SOT89-5 package and surface-mount design make it suitable for a wide range of applications. Although the product is marked as obsolete, its technical specifications and performance benefits make it a valuable component for existing designs and legacy systems.