mc7905.2 ON Semiconductor, mc7905.2 Datasheet - Page 8

• Manufacturer Part Number: mc7905.2
• Description: 1.0 A Negative Voltage Regulators
• Manufacturer: ON Semiconductor

6.26
6.22
6.18
6.14
6.10
6.06
100
5.0
4.0
3.0
2.0
1.0
0.5
0.4
0.3
0.2
0.1
20
10
80
60
40
20
0
25
−25
10
q
No Heatsink
q
q
P
Figure 2. Worst Case Power Dissipation as a
HS
JC
JA
D
q
(max) = 15W
HS
= 15°C/W
= 5° C/W
= 65° C/W
Figure 6. Output Voltage as a Function
= 5°C/W
0
Function of Ambient Temperature
50
Figure 4. Ripple Rejection as a
100
T
T
25
of Junction Temperature
J
A
, JUNCTION TEMPERATURE (°C)
Function of Frequency
, AMBIENT TEMPERATURE (°C)
f, FREQUENCY (Hz)
50
75
1.0 k
75
100
100
Infinite Heatsink
V
V
I
O
in
D
= 20 mA
= −11 V
= −6.0 V
10 k
125
125
V
V
I
O
in
O
= 20 mA
= −11 V
= −6.0 V
150
http://onsemi.com
MC7900 Series
100 k
150
175
8
5.2
5.0
4.8
4.6
4.4
4.2
2.5
2.0
1.5
1.0
0.5
80
70
60
50
40
0
2.0
0
0
Figure 3. Peak Output Current as a Function
Figure 5. Ripple Rejection as a Function
4.0
3.0
|V
I
of Input−Output Differential Voltage
−V
Figure 7. Quiescent Current as a
6.0
O
25
6.0
| INPUT−OUTPUT VOLTAGE DIFFERENTIAL (V)
T
Function of Temperature
J
, JUNCTION TEMPERATURE (°C)
8.0
9.0
V
of Output Voltage
O
, OUTPUT VOLTAGE (V)
50
10
12
12
15
T
J
= +25°C
75
14
18
f = 120 Hz
I
DV
O
21
16
= 20 mA
in
= 1.0 V(RMS)
V
V
I
O
in
O
100
24
18
= 20 mA
= −11 V
= −6.0 V
27
20
125
30
22