S-1170B15UC-OTATFU

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

The S-1170B15UC-OTATFU is a positive voltage regulator from the ABLIC S-1170 Series, utilizing CMOS technology. It provides a fixed output voltage of 1.5 V with an accuracy of ±1.0%. The device supports an output current of up to 800 mA and features a typical dropout voltage of 350 mV at 300 mA. Current consumption is 80 µA during operation and 0.1 µA in power-off mode. It includes built-in overcurrent protection and thermal shutdown circuits, operates within a temperature range of -40°C to +85°C, and is housed in an SOT-89-5 package.

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

• Built-in ON/OFF circuit for extended battery life
• High ripple rejection capability
• Low dropout voltage performance
• Integrated overcurrent and thermal shutdown protection

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

• Constant-voltage power supply for DVD and CD-ROM drives
• Constant-voltage power supply for battery-powered devices
• Constant-voltage power supply for personal communication devices
• Constant-voltage power supply for notebook PCs

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

Verify the specific ordering suffix OTATFU against official documentation to confirm tape specifications and environmental codes. Ensure compatibility with lead-free (Sn 100%) and halogen-free requirements if specified. Confirm that the SOT-89-5 package dimensions align with your PCB layout constraints before finalizing procurement.

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

Select this component when a stable 1.5 V rail is required with high current capacity. Verify input voltage remains above the dropout threshold plus headroom. Ensure external capacitors meet the minimum capacitance and ESR requirements for stability. Consider thermal dissipation limits if operating near maximum load currents.

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

This part belongs to the S-1170 Series, designed for low dropout and high output current applications. It uses a P-channel MOSFET output transistor. The series offers selectable output voltages in 0.1 V steps. The B-type designation indicates positive logic for the ON/OFF pin control.

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

Check for other S-1170 variants with different output voltages or packages. Verify equivalent parts from other manufacturers match the electrical characteristics and pinout configuration.