MC79XX_02 Datasheet, PDF (2/18 Pages) Fairchild Semiconductor – 3-Terminal 1A Negative Voltage Regulator

MC79XX/MC79XXA/LM79XX
Absolute Maximum Ratings
Parameter
Input Voltage
Thermal Resistance Junction-Case (Note1)
Thermal Resistance Junction-Air (Note1, 2)
Operating Temperature Range
Storage Temperature Range
Note:
1. Thermal resistance test board
Size: 76.2mm * 114.3mm * 1.6mm(1S0P)
JEDEC standard: JESD51-3, JESD51-7
2. Assume no ambient airflow
Symbol
VI
RθJC
RθJA
TOPR
TSTG
Value
-35
5
65
0 ~ +125
-65 ~ +150
Unit
V
°C/W
°C
°C
Electrical Characteristics (MC7905/LM7905)
(VI = -10V, IO = 500mA, 0°C ≤TJ ≤ +125°C, CI =2.2µF, CO =1µF, unless otherwise specified.)
Parameter
Output Voltage
Line Regulation (Note3)
Load Regulation (Note3)
Quiescent Current
Quiescent Current Change
Temperature Coefficient of VD
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
TJ = +25°C
IO = 5mA to 1A, PO ≤ 15W
VI = -7V to -20V
TJ = +25°C
VI = -7V to -25V
VI = -8V to -12V
TJ = +25°C
IO = 5mA to 1.5A
TJ =+25°C
IO = 250mA to 750mA
TJ =+25°C
IO = 5mA to 1A
VI = -8V to -25V
IO = 5mA
f = 10Hz to 100kHz
TA =+25°C
f = 120Hz
∆VI = 10V
TJ = +25°C
IO = 1A
TJ =+25°C, VI = -35V
TJ =+25°C
Min. Typ.
-4.8 -5.0
-4.75 -5.0
-
35
-
8
-
10
-
3
-
3
- 0.05
- 0.1
- - 0.4
-
40
54 60
-
2
- 300
- 2.2
Max.
-5.2
-5.25
100
50
100
50
6
0.5
0.8
-
-
-
-
-
-
Unit
V
mV
mV
mA
mA
mV/°C
µV
dB
V
mA
A
Note
3. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
2