Datasheet HT75Rxx-7 (Holtek) - 2

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HT75Rxx-7 30V, 150mA TinyPowerTM LDO with Protections Table of Contents Features ...3 Applications ..3 General Description ..3 Selection Table ..4 Block Diagram ...4 Pin Assignment ...4 Pin Description ...5 Absolute Maximum Ratings ...5 Recommended Operating Range ..5 Electrical Characteristics ...5 Typical Performance Characteristics ..6 Application Circuits ..8
Basic Circuit ..8 High Output Current Positive Voltage Regulator ...8 Circuit for Increasing Output Voltage ..8 Constant Current Regulator ..9 Dual Supply Circuit ..9
Application Information ...10
External Circuit ..10 OCP and OTP Protections ..10 Fast Output Discharging Function ...10 Input Capacitor CIN Considerations ...10 Output Capacitor COUT Considerations ..10 Thermal Considerations ..10 Power Dissipation Calculation ... 11
Package Information ..13
3-pin SOT89 Outline Dimensions ..14 5-pin SOT23 Outline Dimensions ..15 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 Characteristics Application Circuits Basic Circuit High Output Current Positive Voltage Regulator Circuit for Increasing Output Voltage Constant Current Regulator Dual Supply Circuit Application Information External Circuit OCP and OTP Protections Fast Output Discharging Function 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