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S-1121B53MC-N3MTFG

S-1121B53MC-N3MTFG Description

The S-1121B53-NMC3MTFG is a linear voltage regulator designed by ABLIC Inc., offering a fixed output voltage of 5.3V and a maximum output current of 150mA. This regulator is housed in a compact SOT23-5 package, making it suitable for surface mount applications. It is designed to operate with an input voltage range up to 6.5V and features a low dropout voltage of 0.26V at 100mA, ensuring efficient power delivery even when the input voltage is close to the output voltage.

S-1121B53MC-N3MTFG Features

• Output Type: Fixed
• Voltage - Input (Max): 6.5V
• Current - Output: 150mA
• Number of Regulators: 1
• Output Configuration: Positive
• Current - Supply (Max): 65 µA
• Voltage - Output (Min/Fixed): 5.3V
• Voltage Dropout (Max): 0.26V @ 100mA
• Current - Quiescent (Iq): 1 µA
• PSRR: 70dB (1kHz)
• Control Features: Enable
• Protection Features: Over Current
• Package: Tape & Reel (TR)
• Mounting Type: Surface Mount
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• RoHS Status: ROHS3 Compliant
• Product Status: Not For New Designs

The S-1121B53MC-N3MTFG stands out with its low quiescent current of just 1 µA, making it highly efficient for battery-powered applications. Its high power supply rejection ratio (PSRR) of 70dB at 1kHz ensures minimal noise in the output voltage, which is crucial for sensitive analog circuits. The enable control feature provides flexibility in power management, allowing the regulator to be turned on and off as needed.

S-1121B53MC-N3MTFG Applications

The S-1121B53MC-N3MTFG is ideal for a variety of applications where a stable and efficient power supply is required. Its low dropout voltage and high PSRR make it particularly suitable for:

• Battery-powered devices: The low dropout voltage ensures that the regulator can continue to operate efficiently even as the battery voltage drops.
• Sensitive analog circuits: The high PSRR helps in maintaining a clean power supply, reducing noise and improving overall system performance.
• Portable electronics: The compact SOT23-5 package and surface mount design make it easy to integrate into small form factor devices.
• Industrial control systems: The over-current protection feature ensures robustness and reliability in demanding industrial environments.

Conclusion of S-1121B53MC-N3MTFG

The S-1121B53MC-N3MTFG from ABLIC Inc. is a versatile linear voltage regulator that offers a combination of high efficiency, low noise, and compact design. Its low dropout voltage and high PSRR make it an excellent choice for applications where power efficiency and signal integrity are critical. While it is marked as "Not For New Designs," its unique features and performance benefits make it a reliable option for existing designs that require a stable and efficient power supply solution.