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KA7810A

Fairchild
Part Number KA7810A
Manufacturer Fairchild
Description 3-Terminal 1A Positive Voltage Regulator
Published Apr 25, 2005
Detailed Description www.fairchildsemi.com KA78XX/KA78XXA 3-Terminal 1A Positive Voltage Regulator Features • • • • • Output Current up to ...
Datasheet PDF File KA7810A PDF File

KA7810A
KA7810A

Overview
www.
fairchildsemi.
com KA78XX/KA78XXA 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 KA78XX/KA78XXA series of three-terminal positive regulator 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.
0 ©2001 Fairchild Semiconductor Corporation KA78XX/KA78XXA 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 (KA78XX/A/R) Storage Temperature Range Symbol VI VI RθJC RθJA TOPR TSTG Value 35 40 5 65 0 ~ +125 -65 ~ +150 ° Unit V V C/W ° ° °C/W C C Electrical Characteristics (KA7805/KA7805R) (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 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 IO = 1A, TJ =+25 oC f = 1KHz VI = 35V, TA =+25 TJ =+25 C o oC Conditions KA7805 Min.
4.
8 4.
75 62 Typ.
Max.
5.
0 5.
0 4.
0 1.
6 9 4 5.
0 0.
03 0.
3 -0.
8 42 73 2 15 230 2.
2 5.
2 5.
25 100 50 100 50 8.
0 0.
5 1.
3 - Unit V mV mV mA mA mV/ oC µV/VO dB V mΩ mA A Line Regulation (Note1) Load Regulation (Note1) ...


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