Datasheet HT7521-1 (Holtek) - 4

HT75xx-1 30V, 100mA Low Power LDO Block Diagram Pin Assignment AbsolutemAximum Ratings
Supply Voltage ... −0.3V to 33V Storage Temperature ... −60°C to 150°C Operating Temperature ... −40°C to 85°C Maximum Junction Temperature ...150°C Note: These are stress ratings only. Stresses exceeding the range specified under “Absolute Maximum Ratings” may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability.
Thermal Information Symbol Parameter Package Max. Unit
SOT23-5 500 °C/W θ Thermal Resistance (Junction to Ambient) JA (Assume no ambient airflow, no heat sink) SOT89 200 °C/W SOT23-5 0.20 W PD Power Dissipation SOT89 0.50 W Note: PD is measured at Ta=25°C Rev. 2.81 4 December 03, 2025 Document Outline Features Applications General Description Selection Table Block Diagram Pin Assignment AbsolutemAximum Ratings Thermal Information Pin Descriptions Electrical Characteristics HT7521-1, +2.1V Output Type HT7523-1, +2.3V Output Type HT7525-1, +2.5V Output Type HT7527-1, +2.7V Output Type HT7530-1, +3.0V Output Type HT7533-1, +3.3V Output Type HT7536-1, +3.6V Output Type HT7540-1, +4.0V Output Type HT7541-1, +4.15V Output Type HT7544-1, +4.4V Output Type HT7550-1, +5.0V Output Type HT7560-1, +6.0V Output Type HT7570-1, +7.0V Output Type HT7580-1, +8.0V Output Type HT7590-1, +9.0V Output Type HT75A0-1, +10.0V Output Type HT75C0-1, +12.0V Output Type Typical Performance Characteristics Application Circuits Basic Circuit High Output Current Positive Voltage Regulator Short-Circuit Protection for Tr1 Circuit for Increasing Output Voltage Circuit for Increasing Output Voltage Constant Current Regulator Dual Supply Package Information 3-pin SOT89 Outline Dimensions 5-pin SOT23 Outline Dimensions