HT7550-1

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

The HT7550-1 is a fixed-output low-dropout linear regulator manufactured by UMW using CMOS technology. It provides a fixed 5V output with a maximum input voltage of 30V and an output current capability of 100mA. The device features a typical dropout voltage of 100mV at 1mA load and a quiescent current of 3μA. Output voltage accuracy is maintained within a ±3% tolerance. The component operates within a temperature range of -25°C to +70°C and is available in SOT-89-3 packaging.

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

• CMOS-based construction for low power consumption and minimal quiescent current
• High input voltage tolerance up to 30V
• Low dropout voltage characteristics for efficient regulation
• Fixed output voltage with high precision

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

• Battery-powered equipment
• Communication equipment
• Audio/Video equipment

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

Verify the specific manufacturer datasheet for the UMW-branded HT7550-1, as specifications such as maximum input voltage (24V vs 30V) and package availability vary across different foundries. Confirm that the SOT-89-3 package matches your PCB footprint requirements. Ensure the operating temperature range meets your environmental constraints before finalizing procurement.

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

Select this component when a stable 5V rail is required from higher voltage sources up to 30V. It is suitable for applications prioritizing low static power consumption. Verify that the thermal dissipation capabilities of the SOT-89 package are sufficient for the expected load current and ambient temperature conditions.

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

This device belongs to the HT75xx-1 series of low-power high-voltage regulators. The series utilizes CMOS processes to achieve low dropout and low quiescent current. Other variants in the family offer different fixed output voltages ranging from 1.5V to 12.0V, sharing similar architectural features but differing in output settings.

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

Cross-reference with Holtek HT7550-1 or Hottech HT7550-1 for functional equivalents. Verify pinout compatibility and package dimensions (SOT-89-3) to ensure direct replacement without PCB modification.