Datasheet HT75Rxx-1 (Holtek) - 2

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HT75Rxx-1 30V, 150mA TinyPowerTM LDO Table of Contents Features ...3 Applications ..3 General Description ..3 Selection Table ..3 Block Diagram ...4 Pin Assignment ...4 Pin Description ...4 Absolute Maximum Ratings ...5 Recommended Operating Range ..5 Electrical Characteristics ...5 Typical Performance Characteristic ..6 Application Circuits ..9
Basic Circuit ..9 High Output Current Positive Voltage Regulator ...9 Short-Circuit Protection by Tr1 ..9 Circuit for Increasing Output Voltage ..10 Constant Current Regulator ..10 Dual Supply Circuit .. 11
Application Information ... 11
External Circuit .. 11 Input Capacitor CIN Considerations ... 11 Output Capacitor COUT Considerations .. 11 Thermal Considerations .. 11 Power Dissipation Calculation ...12
Package Information ..14
3-pin SOT89 Outline Dimensions ..15 5-pin SOT23 Outline Dimensions ..16 Rev. 1.00 2 May 13, 2025 Document Outline Features Applications General Description Selection Table Block Diagram Pin Assignment Pin Description Absolute Maximum Ratings Recommended Operating Range Electrical Characteristics Typical Performance Characteristic Application Circuits Basic Circuit High Output Current Positive Voltage Regulator Short-Circuit Protection by Tr1 Circuit for Increasing Output Voltage Constant Current Regulator Dual Supply Circuit Application Information External Circuit Input Capacitor CIN Considerations Output Capacitor COUT Considerations Thermal Considerations Power Dissipation Calculation Package Information 3-pin SOT89 Outline Dimensions 5-pin SOT23 Outline Dimensions