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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 = 25C, unless otherwise specified) Parameter IL78R33 IL78R05 Output voltage IL78R08 IL78R09 IL78R12 IL78R15 Load regulation Line regulation Ripple rejection ratio Dropout voltage Disable voltage high Disable voltage low Disable bias current high Disable bias current low Quiescent current Rload Rline RR Vdrop VdisH VdisL IdisH IdisL Iq Vo Symbol Conditions 5mANOTE: 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

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