器件名称: LM79L05A
功能描述: 3-Terminal 0.1A Negative Voltage Regulator
文件大小: 80.8KB 共12页
简 介:www.fairchildsemi.com
MC79LXXA/LM79LXXA
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, -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
GND R26 Q10 Q12 Q11 D3 D2 R22 R23+R21 Q6 R18 Q4 Q15 Q16 Q14 R28 R24 Q13 R25 R29 Q17 Q9 R7 C1 R16 R17 Q8 Q1 R1 R2 D1 R6 R3 R4 R5 Input Q7 R Q2Q3 Output Q5 R15
R27
Rev. 1.0.2
2002 Fairchild Semiconductor Corporation
MC79LXXA/LM79LXXA
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(MC79L05A/LM79L05A)
(VI = -10V, IO = 40mA, CI = 0.33F, CO = 0.1F, 0°C ≤TJ ≤ +125°C, unless otherwise specified) Parameter Output Voltage Line Regulation (Note1) Symbol VO VO VO VO IQ With Line With Load 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 Min. -4.8 -4.75 -4.75 41 Typ. -5.0 15 20 10 2.0 30 60 1.7 Max. -5.2 150 100 60 30 -5.25 -5.25 5.5 6.0 1.5 ……
