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MC79MXX Datasheet(PDF) 2 Page - Fairchild Semiconductor

Part No. MC79MXX
Description  3-Terminal 0.5A Negative Voltage Regulator
Download  14 Pages
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Manufacturer  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

MC79MXX Datasheet(HTML) 2 Page - Fairchild Semiconductor

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MC79MXX
2
Absolute Maximum Ratings
Electrical Characteristics (MC79M05)
(Refer to test circuit, 0
°C ≤TJ ≤ +125 °C, lO =350mA, VI = -10V,unless otherwise specified, CI =0.33µF,CO=0.1µF)
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.
Parameter
Symbol
Value
Unit
Input Voltage(for VO = -5V to -18V)
(for VO = -24V)
VI
VI
-35
-40
V
V
Thermal Resistance Junction-Cases
R
θJC
5
°C /W
Thermal Resistance Junction-Air
R
θJA
65
°C /W
Operating Temperature Range
TOPR
0 ~ +125
°C
Storage Temperature Range
TSTG
-65 ~ +125
°C
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Output Voltage
VO
TJ= +25
°C
-4.8
-5
-5.2
V
IO = 5mA to 350mA
VI = -7V to -25V
-4.75
-5
-5.25
Line Regulation (Note1)
∆VO
TJ =+25
°C
VI = -7V to -25V
-
7.0
50
mV
VI = -8V to -25V
-
2.0
30
Load Regulation (Note1)
∆VO
IO = 5mA to 500mA
TJ = +25
°C
-
30
100
mV
Quiescent Current
IQ
TJ= +25
°C-
3.0
6.0
mA
Quiescent Current Change
∆IQ
IO = 5mA to 350mA
-
-
0.4
mA
IO = 200mA
VI = -8V to -25V
--
0.4
Output Voltage Drift
∆Vo/∆TIO = 5mA
-
-0.2
-
mV/
°C
Output Noise Voltage
VN
f = 10Hz, 100KHz
TA = +25
°C
-40
-
µV
Ripple Rejection
RR
f = 120Hz
VJ= -8 to -18V
54
60
-
dB
Dropout Voltage
VD
TJ =+25
°C, IO = 500mA
-
1.1
-
V
Short Circuit Current
ISC
TJ= +25
°C, VI = -35V
-
140
-
mA
Peak Current
IPK
TJ= +25
°C
-
650
-
mA


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