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PDF LM79L05A Data sheet ( Hoja de datos )
| Número de pieza | LM79L05A | |
| Descripción | 3-Terminal 0.1A Negative Voltage Regulator | |
| Fabricantes | Fairchild Semiconductor | |
| Logotipo |  |
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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
Internal Block Diagram
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
Q10
Q11
R26
Q12
GND
R15
D3 D2
R22
R23+R21
Q5
R18
Q15
Q6
Q17
Q16 Q14 Q13
Q9
R28 R24
R25 R29 R7
C1
R16 R17
Q7 R
Q4
R1
Q8 Q1 R2
D1
Q2 Q3
R6
R3
Output
R27 R4 R5
Input
©2002 Fairchild Semiconductor Corporation
Rev. 1.0.2
1 page  
MC79LXXA/LM79LXXA
Electrical Characteristics(MC79L15A) (Continued)
(VI = -23V, IO = 40mA, CI = 0.33µF, CO = 0.1µF, 0°C ≤TJ ≤ +125°C, unless otherwise specified)
Parameter
Output Voltage
Line Regulation (Note1)
Symbol
VO
∆VO
Conditions
TJ = +25°C
TJ = +25°C
-17.5V ≥ VI ≥ -30V
-20V ≥ VI ≥ -30V
Min.
-14.4
-
Typ.
-15.0
-
Max.
-15.6
300
Unit
V
mV
- - 250 mV
Load Regulation (Note1)
∆VO
Output Voltage
VO
Quiescent Current
Quiescent Current With Line
Change
With Load
Output Noise Voltage
Ripple Rejection
Dropout Voltage
IQ
∆IQ
∆IQ
VN
RR
VD
TJ = +25°C
1.0mA ≤ IO ≤ 100mA
1.0mA ≤ IO ≤ 40mA
-
-
- 150 mV
- 75 mV
-17.5V ≥ VI ≥ -30V, 1.0mA ≤ IO ≤ 40mA -14.25 - -15.75 V
VI = -23V, 1.0mA ≤ IO ≤ 70mA
-14.25 - -15.75 V
TJ = +25°C
TJ = +125°C
- - 6.0
mA
- - 6.5
-20V ≥ VI ≥ -30V
- - 1.5 mA
1.0mA ≤ IO ≤ 40mA
- - 0.1 mA
TA = +25°C,10Hz ≤ f ≤ 100kHz
- 90 - µV
f = 120Hz, -18.5V ≥ VI ≥ -28.5V
TJ = +25°C
34 39 - dB
TJ = +25°C
- 1.7 -
V
Note:
1. Load and line regulation are specified at constant junction temperature. Change in VO due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
5
5 Page 
Mechanical Dimensions (Continued)
Package
4.50 ±0.20
1.65 ±0.10
SOT-89
C0.2
MC79LXXA/LM79LXXA
Dimensions in millimeters
1.50 ±0.20
(0.40)
0.50 ±0.10
0.40 ±0.10
1.50 TYP 1.50 TYP
0.40
+0.10
–0.05
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet LM79L05A.PDF ] | |
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