S-1132B39-M5T1U

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

The S-1132B39-M5T1U is a CMOS voltage regulator manufactured by ABLIC Inc. It belongs to the S-1132 series, designed as a low dropout linear regulator with high ripple-rejection characteristics. The device provides a fixed output voltage of 3.9V and supports a maximum output current of 300mA. It features an ultra-low quiescent current of 20uA, making it suitable for battery-powered applications. The component operates within a temperature range of -40°C to +85°C and is housed in a compact SOT-89-5 surface-mount package.

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

• Ultra-low quiescent current consumption for extended battery life
• High ripple-rejection ratio for stable power delivery
• Low dropout voltage operation for efficient energy use
• Compact SOT-89-5 surface-mount packaging

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

• Battery-powered portable electronic devices
• Consumer electronics requiring stable low-voltage rails
• Industrial control systems with strict power constraints
• Communication equipment needing low noise regulation

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

Verify the specific output voltage tolerance and package variant against the official ABLIC datasheet before ordering. Confirm that the S-1132B39-M5T1U designation matches the required 3.9V fixed output specification. Ensure compatibility with the target PCB footprint for the SOT-89-5 package. Check for any recent product change notifications or end-of-life notices from the manufacturer.

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

Select this component when a fixed 3.9V output is required with minimal standby current draw. Consider the 300mA output capability against the peak load requirements of the circuit. Evaluate the thermal performance within the specified operating temperature range. Compare alternative LDOs if higher current or different voltage options are needed.

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

This part is part of the S-1132 series from ABLIC, focusing on low-power linear regulation. It complements other variants in the family offering different fixed voltages and current ratings. The series is known for its reliability in consumer and industrial applications where power efficiency is critical.

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

Consult the official ABLIC replacement guide for direct substitutes. Verify pinout compatibility and electrical specifications before considering alternatives.