DatasheetsPDF.com

KA7905A

Fairchild
Part Number KA7905A
Manufacturer Fairchild
Description 3-Terminal 1A Negative Voltage Regulator
Published Apr 25, 2005
Detailed Description www.fairchildsemi.com KA79XX/KA79XXA 3-Terminal 1A Negative Voltage Regulator r Features • • • • • Output Current in E...
Datasheet PDF File KA7905A PDF File

KA7905A
KA7905A

Overview
www.
fairchildsemi.
com KA79XX/KA79XXA 3-Terminal 1A Negative Voltage Regulator r Features • • • • • Output Current in Excess of 1A Output Voltages of -5, -6, -8, -9, -10, -12, -15, -18 , -24V Internal Thermal Overload Protection Short Circuit Protection Output Transistor Safe Operating Area Compensation Description The KA79XX/KA79XXA series of three-terminal negative regulators are available in TO-220 package and with several fixed output voltages, making them useful in a wide range of applications.
Each type employs internal current limiting, thermal shutdown and safe operating area protection, making it essentially indestructible.
TO-220 Vin 1 1.
GND 2.
Input 3.
Output Internal Block Digram GND R1 VOLTAGE REFERENCE R2 Out Output + Q1 Q2 PROTECTION CIRCUITRY Rsc I1 I2 Input In Rev.
1.
0.
1 ©2002 Fairchild Semiconductor Corporation KA79XX/KA79XXA Absolute Maximum Ratings Parameter Input Voltage Thermal Resistance Junction-Case (Note1) Thermal Resistance Junction-Air (Note1, 2) Operating Temperature Range Storage Temperature Range Note: 1.
Thermal resistance test board Size: 76.
2mm * 114.
3mm * 1.
6mm(1S0P) JEDEC standard: JESD51-3, JESD51-7 2.
Assume no ambient airflow Symbol VI RθJC RθJA TOPR TSTG Value -35 5 65 0 ~ +125 - 65 ~ +150 Unit V °C/W °C/W °C °C Electrical Characteristics (KA7905) (VI = -10V, IO = 500mA, 0°C ≤ TJ ≤ +125°C, CI =2.
2µF, CO =1µF, unless otherwise specified.
) Parameter Output Voltage Symbol TJ = +25°C VO IO = 5mA to 1A, PO ≤15W VI = -7V to -20V TJ = +25°C VI = -7V to -25V VI = -8V to -12V Conditions Min.
Typ.
Max.
-4.
8 -5.
0 -5.
2 V Unit -4.
75 -5.
0 -5.
25 54 35 8 10 3 3 0.
05 0.
1 -0.
4 40 60 2 300 2.
2 100 50 100 50 6 0.
5 0.
8 - Line Regulation (Note3) Load Regulation (Note3) Quiescent Current Quiescent Current Change ∆VO ∆VO IQ ∆IQ mV mV mA mA mV/°C µV dB V mA A TJ = +25°C, IO = 5mA to 1.
5A TJ =+25°C, IO = 250mA to 750mA TJ =+25°C IO = 5mA to 1A VI = -8V to -25V IO = 5mA f = 10Hz to 100kHz, TA = +25°C f = 120Hz, ∆VI = 10V TJ =+...


Similar Datasheet


@ 2014 :: Datasheetspdf.com :: Semiconductors datasheet search & download site. (Privacy Policy & Contact)