TECHNICAL DATA 1A LOW DROPOUT POSITIVE REGULATOR IL78RXX Features • 1A/3.3V, 5V, 8V, 9V, 12V, 15V output low dropout regulator TO-220 full-mold package (4Pin) • Overcurrent protection ,thermal shutdown • Overvoltage protection ,short circuit protection • With output disable function • Description The IL78RXX is a low dropout voltage regulator suitable for various electronic equipment. It provides constant voltage power source with TO-220 4 lead full-mold package. Dropout voltage of IL78RXX is below 0.5V in full rated current(1A). This regulator has various functions such as peak current protection, thermal shutdown, overvoltage protection and output disable function. Absolute Maximum Ratings Parameter Input voltage Disable voltage Output current Power dissipation 1 Power dissipation 2 Junction temperature Operating temperature Symbol Vin Vdis I0 Pd1 Pd2 Tj Topr Value 35 35 1.0 1.5 15 +150 -20 ~ +80 Unit V V A W W °C °C Remark No heatsink With heatsink - Rev. 01 IL78RXX Internal Block Diagram Rev. 01 IL78RXX Electrical Characteristics (Vin = Note 2, Io = 0.5A, Ta = 25°C, unless otherwise specified) Parameter Output voltage Symbol Conditions Min. Typ. Max. IL78R33 - 3.22 3.3 3.38 IL78R05 - 4.88 5 5.12 - 7.8 8 8.2 IL78R09 - 8.78 9 9.22 IL78R12 - 11.7 12 12.3 IL78R15 - 14.6 15 15.4 IL78R08 Vo Unit V Load regulation Rload 5mA<Io<1A - 0.1 2.0 % Line regulation Rline Note 3 - 0.5 2.5 % RR Note 1 45 55 - dB Dropout voltage Vdrop Io = 1A - - 0.5 V Disable voltage high VdisH Output active 2.0 - - V Disable voltage low VdisL Output disabled - - 0.8 V Disable bias current high IdisH Vdis = 2.7V - - 20 µA Disable bias current low IdisL Vdis = 0.4V - - -0.4 mA Io = 0A - - 10 mA Ripple rejection ratio Quiescent current Iq NOTE: 1.These parameters, although guaranteed, are not 100% tested in production. 2. IL78R33:Vin=5V IL78R05:Vin=7V IL78R08:Vin=10V IL78R09:Vin=11V IL78R12:Vin=15V IL78R15:Vin=20V 3. IL78R33:Vin=4V to 10V IL78R05:Vin=6V to 12V IL78R08:Vin=9V to 25V IL78R09:Vin=10V to 25V IL78R12:Vin=13V to 29V IL78R15:Vin=16V to 30V Rev. 01 IL78RXX Typical Perfomance Characteristics IL78R33 Figure 1. Output Voltage vs. Input Voltage Figure 2. Quiescent Current vs. Input Voltage Figure 3. Output Voltage vs. Disable Voltage Figure 4. Output Voltage vs. Temperature(Tj) Figure 5. Quiescent Current vs. Temperature(Tj) Figure 6. Dropout Voltage vs.Junction Temperature Rev. 01 IL78RXX Typical Perfomance Characteristics (continued) Figure 7. Power Dissipation vs. Temperature(Tj) Figure 8. Overcurrent Protection Characteristics (Typical Value) Figure 9. Output Peak Currenrt vs. Input-Output Differential Voltage Rev. 01 IL78RXX Typical Performance Characteristics IL78R05C Figure 1. Output Voltage vs. Input Voltage Figure 2. Quiescent Current vs. Input Voltage Figure 3. Output Voltage vs. Disable Voltage Figure 4. Output Voltage vs. Temperature(Tj) Figure 5. Quiescent Current vs. Temperature(Tj) Figure 6. Dropout Voltage vs. Junction Temperature Rev. 01 IL78RXX Typical Performance Characteristics (Continued) Figure 7. Power Dissipation vs. Temperature(Tj) Figure 8. Overcurrent Protection Characteristics (Typical Value) Figure 9. Output Peak Currenrt vs. Input-Output Differential Voltage Rev. 01 IL78RXX Typical Performance Characteristics (Continued) IL78R08C Figure 1. Output Voltage vs. Input Voltage Figure 2. Quiescent Current vs. Input Voltage Figure 3. Output Voltage vs. Disable Voltage Figure 4. Output Voltage vs. Temperature(Tj) Figure 5. Quiescent Current vs. Temperature(Tj) Figure 6. Dropout Voltage vs.Junction Temperature Rev. 01 IL78RXX Typical Performance Characteristics (Continued) Figure 7. Power Dissipation vs. Temperature(Tj) Figure 8. Overcurrent Protection Characteristics (Typical Value) Figure 9. Output Peak Currenrt vs. Input-Output Differential Voltage Rev. 01 IL78RXX Typical Performance Characteristics (Continued) IL78R09C Figure 1. Output Voltage vs. Input Voltage Figure 2. Quiescent Current vs. Input Voltage Figure 3. Output Voltage vs. Disable Voltage Figure 4. Output Voltage vs. Temperature(Tj) Figure 5. Quiescent Current vs. Temperature(Tj) Figure 6. Dropout Voltage vs.Junction Temperature Rev. 01 IL78RXX Typical Performance Characteristics (Continued) Figure 7. Power Dissipation vs. Temperature(Tj) Figure 8. Overcurrent Protection Characteristics (Typical Value) Figure 9. Output Peak Currenrt vs. Input-Output Differential Voltage Rev. 01 IL78RXX Typical Performance Characteristics (Continued) IL78R12C Figure 1. Output Voltage vs. Input Voltage Figure 2. Quiescent Current vs. Input Voltage Figure 3. Output Voltage vs. Disable Voltage Figure 4. Output Voltage vs. Temperature(Tj) Figure 5. Quiescent Current vs. Temperature(Tj) Figure 6. Dropout Voltage vs.Junction Temperature Rev. 01 IL78RXX Typical Performance Characteristics (Continued) Figure 7. Power Dissipation vs. Temperature(Tj) Figure 8. Overcurrent Protection Characteristics (Typical Value) Figure 9. Output Peak Currenrt vs. Input-Output Differential Voltage Rev. 01 IL78RXX Typical Performance Characteristics (Continued) IL78R15C Figure 1. Output Voltage vs. Input Voltage Figure 2. Quiescent Current vs. Input Voltage Figure 3. Output Voltage vs. Disable Voltage Figure 4. Output Voltage vs. Temperature(Tj) Figure 5. Quiescent Current vs. Temperature(Tj) Figure 6. Dropout Voltage vs.Junction Temperature Rev. 01 IL78RXX Typical Performance Characteristics (Continued) Figure 7. Power Dissipation vs. Temperature(Tj) Figure 8. Overcurrent Protection Characteristics (Typical Value) Figure 9. Output Peak Currenrt vs. Input-Output Differential Voltage Rev. 01 IL78RXX Typical Application Figure 1. Application Circuit • Ci is required if regulator is located at an appreciable distance from power supply filter. • Co improves stability and transient response.(Co > 47 uF) Rev. 01 IL78RXX TO-220F-4L Package Outline Dimensions Rev. 01