HT75xx-2

30V, 100mA Low Power LDO

Rev. 1.91

3

December 03, 2025

Features

• Low power consumption

• Low voltage drop

• Low temperature coefficient

• High input voltage (up to 30V)

• Quiescent current 2.5μA

• High output current : 100mA

• Output voltage accuracy: tolerance ±1%

• 3-pin SOT89 and 5-pin SOT23 packages

Applications

• Battery-powered equipment

• Communication equipment

• Audio/Video equipment

General Description

The HT75xx-2 series is a set of three-terminal low power high voltage implemented in CMOS

technology. They can deliver 100mA output current and allow an input voltage as high as 30V. They

are available with several fixed output voltages ranging from 2.1V to 12.0V. CMOS technology

ensures low voltage drop and low quiescent current.

Although designed primarily as fixed voltage regulators, these devices can be used with external

components to obtain variable voltages and currents.

Selection Table

Part No.

Output Voltage

Package

Marking

HT7521-2

2.1V

SOT89

SOT23-5

75xx-2 (for SOT89)

5xx2 (for SOT23-5)

HT7523-2

2.3V

HT7525-2

2.5V

HT7527-2

2.7V

HT7530-2

3.0V

HT7533-2

3.3V

HT7536-2

3.6V

HT7540-2

4.0V

HT7544-2

4.4V

HT7550-2

5.0V

HT7560-2

6.0V

HT7570-2

7.0V

HT7580-2

8.0V

HT7590-2

9.0V

HT75A0-2

10.0V

HT75C0-2

12.0V

Note: “xx” stands for output voltages.