LD6806TD/29H,125

Product Overview

The LD6806TD/29H,125 from NXP USA Inc. is a surface-mount linear voltage regulator intended for fixed positive-rail regulation. The device provides one 2.9 V output from a maximum 5.5 V input and can deliver up to 200 mA. Its 0.13 V maximum dropout at 200 mA supports compact supply paths where the input voltage is close to the regulated output. An enable control allows the regulator to be switched into operation or held off, and overcurrent and overtemperature protection features are included. The 5-TSOP SC-74A, SOT-753 package suits space-constrained board layouts.

Key Features

• Fixed positive 2.9 V output with a single regulator channel
• Maximum input voltage of 5.5 V and output current of 200 mA
• Maximum dropout voltage of 0.13 V at 200 mA
• Enable control feature for regulator on or off operation
• Overcurrent and overtemperature protection features
• Quiescent current of 100 µA and maximum supply current of 250 µA
• Power supply rejection of 55 dB at 1 kHz
• Operating temperature range of -40°C to 85°C
• Surface-mount 5-TSOP package identified as SC-74A, SOT-753

Applications

• Regulated 2.9 V rails for compact logic or sensor subsystems
• Post-regulation of a higher supply for low-current analog or digital loads
• Enable-controlled power sequencing in compact modules
• Local voltage stabilization in small embedded boards requiring a fixed 2.9 V output

Design & Procurement Notes

For design selection, verify that the input supply does not exceed 5.5 V and remains high enough to maintain regulation at the required load current, especially near the 0.13 V dropout limit at 200 mA. The 2.9 V fixed output limits flexibility to loads that accept that exact rail. The enable control can be used for power sequencing or selective supply control, while overcurrent and overtemperature protections should be considered as part of a broader power system safety strategy. The 100 µA quiescent current and 250 µA maximum supply current are relevant for low-power standby paths. The 5-TSOP surface-mount package requires appropriate land pattern and placement within the -40°C to 85°C operating range.