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MC79L00 Datasheet(PDF) 5 Page - Motorola, Inc

Part No. MC79L00
Description  THREE-TERMINAL LOW CURRENT NEGATIVE FIXED VOLTAGE REGULATORS
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Maker  MOTOROLA [Motorola, Inc]
Homepage  http://www.freescale.com
Logo MOTOROLA - Motorola, Inc

MC79L00 Datasheet(HTML) 5 Page - Motorola, Inc

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MC79L00, A Series
5
MOTOROLA ANALOG IC DEVICE DATA
TYPICAL CHARACTERISTICS
(TA = +25°C, unless otherwise noted.)
Figure 3. Dropout Characteristics
Figure 4. Dropout Voltage versus
Junction Temperature
Figure 5. Input Bias Current versus
Ambient Temperature
Figure 6. Input Bias Current versus
Input Voltage
Figure 7. Maximum Average Power Dissipation
versus Ambient Temperature (TO–92)
8.0
6.0
4.0
2.0
0
0
–2.0
–4.0
–6.0
–0.8
–10
Vin, INPUT VOLTAGE (V)
MC79L05C
VO = –5.0 V
TJ = 25°C
IO = 1.0 mA
IO = 100 mA
IO = 40 mA
–2.5
–2.0
–1.5
–1.0
–0.5
0
0
25
50
75
100
125
TJ, JUNCTION TEMPERATURE (°C)
IO = 70 mA
4.0
4.2
3.8
3.6
3.4
3.2
3.0
0
0
25
50
75
100
125
TA, AMBIENT TEMPERATURE (°C)
MC79L05C
Vin = –10 V
VO = –5.0 V
IO = 40 mA
5.0
4.0
3.0
2.0
1.0
0
0
–5.0
–10
–15
–20
–25
–30
–35
–40
Vin, INPUT VOLTAGE (V)
MC79L05C
VO = –5.0 V
IO = 40 mA
10,000
1,000
100
10
TA, AMBIENT TEMPERATURE (°C)
25
50
75
100
125
150
No Heatsink
R
ΘJA = 200°C/W
PD(max) to 25°C = 625 mW
Figure 8. SOP–8 Thermal Resistance and Maximum
Power Dissipation versus P.C.B. Copper Length
30
50
70
90
110
130
150
0.4
0.8
1.2
1.6
2.0
2.4
2.8
020
30
50
40
10
L, LENGTH OF COPPER (mm)
170
3.2
PD(max) for TA = +50°C
R
θJA
2.0 oz.
Copper
Graph represents symmetrical layout
3.0 mm
L
L
IO = 40 mA
IO = 1.0 mA
Dropout of Regulation is
defined when
∆VO = 2% of VO


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