KA79XX/KA79XXA
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
V
I
R
θJC
R
θJA
T
OPR
T
STG
Value
-35
5
65
0 ~ +125
- 65 ~ +150
Unit
V
°C/W
°C/W
°C
°C
Electrical Characteristics (KA7905)
(V
I
= -10V, I
O
= 500mA, 0°C
≤
T
J
≤
+125°C, C
I
=2.2µF, C
O
=1µF, unless otherwise specified.)
Parameter
Output Voltage
Symbol
T
J
= +25°C
V
O
I
O
= 5mA to 1A, P
O
≤
15W
V
I
= -7V to -20V
T
J
= +25°C
V
I
= -7V to -25V
V
I
= -8V to -12V
Conditions
Min. Typ. Max.
-4.8
-5.0
-5.2
V
Unit
-4.75 -5.0 -5.25
-
-
-
-
-
-
-
-
-
54
-
-
-
35
8
10
3
3
0.05
0.1
-0.4
40
60
2
300
2.2
100
50
100
50
6
0.5
0.8
-
-
-
-
-
-
Line Regulation (Note3)
Load Regulation (Note3)
Quiescent Current
Quiescent Current Change
∆V
O
∆V
O
I
Q
∆I
Q
mV
mV
mA
mA
mV/°C
µV
dB
V
mA
A
T
J
= +25°C, I
O
= 5mA to 1.5A
T
J
=+25°C, I
O
= 250mA to 750mA
T
J
=+25°C
I
O
= 5mA to 1A
V
I
= -8V to -25V
I
O
= 5mA
f = 10Hz to 100kHz, T
A
= +25°C
f = 120Hz,
∆V
I
= 10V
T
J
=+25°C, I
O
= 1A
T
J
=+25°C, V
I
= -35V
T
J
=+25°C
Temperature Coefficient of V
D
∆Vo/∆T
Output Noise Voltage
Ripple Rejection
Dropout Voltage
Short Circuit Current
Peak Current
V
N
RR
V
D
I
SC
I
PK
Note
3. Load and line regulation are specified at constant junction temperature. Changes in V
O
due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
2
FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
