S-1132B47-U5T1G

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The S-1132B47-U5T1G is a CMOS low dropout voltage regulator manufactured by ABLIC Inc. It provides a fixed output voltage of 4.7 V with a maximum output current capability of 300 mA. The device operates within an input voltage range of 1.5 V to 5.5 V and features a typical dropout voltage of 150 mV at full load. It maintains high ripple rejection performance and includes built-in protection circuits against overcurrent conditions. The component is designed for surface-mount installation in the SOT-89-5 package, ensuring reliable operation across a wide temperature range from -40 °C to +85 °C.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• Fixed 4.7 V output voltage with 300 mA current capacity
• Low dropout voltage characteristic for efficient power management
• Built-in overcurrent protection circuitry
• High ripple rejection ratio for stable noise filtering

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• Battery-powered portable electronic devices
• General-purpose linear voltage regulation in consumer electronics
• Power supply stages for microcontroller systems
• Noise-sensitive analog circuit biasing

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify the specific ordering suffix U5T1G to confirm the tape-and-reel packaging configuration and lead-free status. Confirm that the fixed 4.7 V output voltage aligns with the target system requirements. Ensure the SOT-89-5 footprint matches the PCB layout design. Validate thermal dissipation capabilities under expected operating loads.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this regulator when a precise 4.7 V rail is required with moderate current demands up to 300 mA. The low dropout characteristic makes it suitable for applications where the input voltage may approach the output level. Consider the SOT-89-5 package size constraints and verify that the ambient temperature remains within the specified operational limits for optimal performance.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This component belongs to the S-1132 series of CMOS LDO regulators from ABLIC. The series is characterized by high ripple rejection and low dropout voltages. The S-1132B47 variant specifically targets applications requiring a 4.7 V output. It is part of a broader family offering various fixed voltage options in compact packages for space-constrained designs.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

Direct substitutes include other ABLIC S-1132 series parts with identical pinouts and similar electrical characteristics but different output voltages if adjustable. Cross-manufacturer replacements require matching the 300 mA current rating, 150 mV dropout, and SOT-89-5 package form factor.