KA79L12A

www.fairchildsemi.com KA79LXXA 3-Terminal 0.1A Negative Voltage Regulator Features Output Current up to 100mA No External Components Internal Thermal Over Load Protection Internal Short Circuit Current Limiting Output Voltage Offered in ±5% Tolerance Output Voltage of -5V, -8V, -12V, -15V, -18V and -24V Description These regulators employ internal current limiting and thermal shutdown, making them essentially indestructible. TO-92 SOT-89 1 1 1.GND 2.Input 3.Output 8-SOP 1 1. Output 2.3.6.7. Input 5. GND 4.8. NC Internal Block Diagram Q10 Q11 R26 Q12 R15 R22 Q5 D3 R23+R21 D2 R18 Q15 Q6 Q7 R Q4 Q17 C1 Q16 Q14 R28 R24 Q13 R25 Q9 R29 R7 R17 R16 Q8 Q1 R1 R2 D1 Q2 Q3 R6 R3 R4 R5 Rev. 1.0.2 ©2002 Fairchild Semiconductor Corporation KA79LXXA Absolute Maximum Ratings Parameter Input Voltage (for Vo= -5V to -8V) (for Vo = -12V to -18V) (for Vo = -24V) Operating Temperature Range Storage Temperature Range Symbol VI TOPR TSTG Value -30 -35 -40 0 ~ +125 -65 ~ +150 Unit V °C °C Electrical Characteristics(KA79L05A) (VI = -10V, IO = 40mA, CI = 0.33µF, CO = 0.1µF, 0°C ≤TJ ≤ +125°C, unless otherwise specified) Parameter Output Voltage Line Regulation (Note1) Load Regulation (Note1) Output Voltage Quiescent Current Quiescent Current Change Output Noise Voltage Ripple Rejection Dropout Voltage With Line With Load Symbol VO ∆VO ∆VO VO IQ ∆ IQ ∆ IQ VN RR VD TJ = +25°C TJ =+25°C TJ =+25°C -7.0V ≥ VI ≥ -20V -8V ≥ VI ≥ -20V 1.0mA ≤ IO ≤ 100mA 1.0mA ≤ IO ≤ 40mA Conditions M...