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MC7905BT View Datasheet(PDF) - Motorola => Freescale

Part NameDescriptionManufacturer
MC7905BT THREE–TERMINAL NEGATIVE FIXED VOLTAGE REGULATORS Motorola
Motorola => Freescale Motorola
MC7905BT Datasheet PDF : 12 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
MC7900
Figure 1. Worst Case Power Dissipation as a
Function of Ambient Temperature
20
10
θHS = 5°C/W
5.0
4.0
3.0
θHS = 15°C/W
2.0
Infinite Heatsink
No Heatsink
1.0
0.5
0.4
0.3
0.2
θJC = 5° C/W
θJA = 65° C/W
0.1 PD(max) = 15W
25
50
75
100
125
150
TA, AMBIENT TEMPERATURE (°C)
Figure 2. Peak Output Current as a Function
of Input–Output Differential Voltage
2.5
2.0
TJ = +25°C
1.5
1.0
0.5
0
0 3.0 6.0 9.0 12 15 18 21 24 27 30
|VI –VO| INPUT–OUTPUT VOLTAGE DIFFERENTIAL (V)
100
80
60
40
20
0
10
Figure 3. Ripple Rejection as a
Function of Frequency
Vin = –11 V
VO = – 6.0 V
IO = 20 mA
100
1.0 k
10 k
f, FREQUENCY (Hz)
100 k
Figure 5. Output Voltage as a Function
of Junction Temperature
6.26
6.22
6.18
6.14
Vin = –11 V
VD = – 6.0 V
6.10
IO = 20 mA
6.06
–25 0 25 50 75 100 125 150 175
TJ, JUNCTION TEMPERATURE (°C)
Figure 4. Ripple Rejection as a Function
of Output Voltage
80
f = 120 Hz
70
IO = 20 mA
Vin = 1.0 V(RMS)
60
50
40
2.0 4.0 6.0 8.0 10 12 14 16 18 20 22
VO, OUTPUT VOLTAGE (V)
5.2
5.0
4.8
4.6
4.4
4.2
0
Figure 6. Quiescent Current as a
Function of Temperature
Vin = –11 V
VO = – 6.0 V
IO = 20 mA
25
50
75
100
125
TJ, JUNCTION TEMPERATURE (°C)
8
MOTOROLA ANALOG IC DEVICE DATA
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