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MC7805

Fairchild Semiconductor
Part Number MC7805
Manufacturer Fairchild Semiconductor
Description 3-Terminal 1A Positive Voltage Regulator
Published Apr 16, 2005
Detailed Description www.fairchildsemi.com MC78XX/LM78XX/MC78XXA 3-Terminal 1A Positive Voltage Regulator Features • • • • • Output Current...
Datasheet PDF File MC7805 PDF File

MC7805
MC7805

Overview
www.
fairchildsemi.
com MC78XX/LM78XX/MC78XXA 3-Terminal 1A Positive Voltage Regulator Features • • • • • Output Current up to 1A Output Voltages of 5, 6, 8, 9, 10, 12, 15, 18, 24V Thermal Overload Protection Short Circuit Protection Output Transistor Safe Operating Area Protection Description The MC78XX/LM78XX/MC78XXA series of three terminal positive regulators are available in the TO-220/D-PAK package and with several fixed output voltages, making them useful in a wide range of applications.
Each type employs internal current limiting, thermal shut down and safe operating area protection, making it essentially indestructible.
If adequate heat sinking is provided, they can deliver over 1A output current.
Although designed primarily as fixed voltage regulators, these devices can be used with external components to obtain adjustable voltages and currents.
TO-220 1 D-PAK 1 1.
Input 2.
GND 3.
Output Internal Block Digram Rev.
1.
0.
1 ©2001 Fairchild Semiconductor Corporation MC78XX/LM78XX/MC78XXA Absolute Maximum Ratings Parameter Input Voltage (for VO = 5V to 18V) (for VO = 24V) Thermal Resistance Junction-Cases (TO-220) Thermal Resistance Junction-Air (TO-220) Operating Temperature Range Storage Temperature Range Symbol VI VI RθJC RθJA TOPR TSTG Value 35 40 5 65 0 ~ +125 -65 ~ +150 o Unit V V C/W o o oC/W C C Electrical Characteristics (MC7805/LM7805) (Refer to test circuit ,0°C < TJ < 125°C, IO = 500mA, VI = 10V, CI= 0.
33µF, CO= 0.
1µF, unless otherwise specified) Parameter Symbol TJ =+25 oC Output Voltage VO 5.
0mA ≤ Io ≤ 1.
0A, PO ≤ 15W VI = 7V to 20V TJ=+25 oC VO = 7V to 25V VI = 8V to 12V IO = 5.
0mA to1.
5A Load Regulation (Note1) Quiescent Current Quiescent Current Change Output Voltage Drift Output Noise Voltage Ripple Rejection Dropout Voltage Output Resistance Short Circuit Current Peak Current Regload IQ ∆ IQ ∆VO/∆T VN RR VDrop rO ISC IPK TJ=+25 oC TJ =+25 oC IO = 5mA to 1.
0A VI= 7V to 25V IO= 5mA f = 10Hz to 100KHz, TA=+25 oC f = 120Hz VO = 8V to 18V ...


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