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PDF MC79M08CT Data sheet ( Hoja de datos )
| Número de pieza | MC79M08CT | |
| Descripción | 3-Terminal 0.5A Negative Voltage Regulator | |
| Fabricantes | Fairchild | |
| Logotipo |  |
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www.fairchildsemi.com
MC79MXX
3-Terminal 0.5A Negative Voltage Regulator
Features
• No external components required
• Output current in excess of 0.5A
• Internal thermal overload
• Internal short circuit current limiting
• Output transistor safe area compensation
• Output voltages of -5V,-6V,-8V,-12V,-15V,-18Vand -24V
Description
The MC79MXX series of 3-Terminal medium current
negative voltage regulators are monolithic integrated circuits
designed as fixed voltage regulators. These regulators
employ internal current limiting, thermal shutdown and safe
area compensation making them essentially indestructible.
TO-220
1
1. GND 2. Input 3. Output
Schematic Diagram
©2001 Fairchild Semiconductor Corporation
Rev. 1.0.0
1 page  
MC79MXX
Electrical Characteristics (MC79M12)
(Refer to test circuit, 0 °C ≤TJ ≤ +125 °C, lO =350mA, VI = -19V,unless otherwise specified)
Parameter
Output Voltage
Line Regulation (Note1)
Load Regulation (Note1)
Quiescent Current
Quiescent Current Change
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
Dropout Voltage
Short Circuit Current
Peak Current
Symbol
VO
∆VO
∆VO
IQ
∆IQ
∆VO/∆T
VN
RR
VD
ISC
IPK
Conditions
Min.
TJ= +25 °C
-11.5
IO = 5mA to 350mA
VI = -14.5V to -30V
-11.4
TJ =+25°C VI = -14.5V to -30V
VI = -15V to -25V
-
-
TJ= +25 °C IO = 5.0mA to 500mA -
TJ= +25 °C
-
IO = 5mA to 350mA
-
VI = -14.5V to -30V
-
IO = 5mA
-
f = 10Hz to 100KHz,TA =+25 °C
-
f = 120Hz,VI = -15V to -25V
54
IO = 500mA, TJ = +25 °C
-
VI = -35V, TJ = +25 °C
-
TJ= +25 °C
-
Typ.
-12
-12
8.0
3.0
30
3
-
-
-0.8
75
60
1.1
140
650
Max. Unit
-12.5
V
-12.6
80
mV
50
240 mV
6 mA
0.4
0.4 mA
- mV/ °C
- µV
- dB
-V
- mA
- mA
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
(0.50)
6.60 ±0.20
5.34 ±0.30
(4.34)
D-PAK
(0.50)
MC79MXX
Dimensions in millimeters
2.30 ±0.10
0.50 ±0.10
MAX0.96
2.30TYP
[2.30±0.20]
0.76 ±0.10
2.30TYP
[2.30±0.20]
6.60 ±0.20
(5.34)
(5.04)
(1.50)
0.50 ±0.10
1.02 ±0.20
2.30 ±0.20
(2XR0.25)
0.76 ±0.10
11
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet MC79M08CT.PDF ] | |
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