MC79L12ACP Fairchild Semiconductor, MC79L12ACP Datasheet - Page 6

• Manufacturer Part Number: MC79L12ACP
• Description: Linear Regulators - Standard Negative Voltage Reg 3Terminal 1a
• Manufacturer: Fairchild Semiconductor

Specifications of MC79L12ACP

• Polarity: Negative
• Number Of Outputs: 1
• Output Type: Fixed
• Output Voltage: - 12 V
• Output Current: 100 mA
• Line Regulation: 250 mV
• Load Regulation: 100 mV
• Dropout Voltage (max): 1.7 V
• Input Voltage Max: 40 V
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: 0 C
• Package / Case: TO-92
• Mounting Style: Through Hole
• Voltage Regulation Accuracy: 5 %
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

10,000
1,000
100
4.2
4.0
3.8
3.6
3.4
3.2
3.0
8.0
6.0
4.0
2.0
10
0
0
25
0
0
Figure 8. Maximum Average Power Dissipation
MC79L05C
V
T
R
P
MC79L05C
V
V
I
O
J
O
D(max)
qJA
= 25°C
in
O
= −5.0 V
= 40 mA
= −10 V
= −5.0 V
versus Ambient Temperature (TO−92)
Figure 6. Input Bias Current versus
= 200°C/W
Figure 4. Dropout Characteristics
−2.0
to 25°C = 625 mW
25
50
T
T
A
Ambient Temperature
A
, AMBIENT TEMPERATURE (°C)
, AMBIENT TEMPERATURE (°C)
V
in
, INPUT VOLTAGE (V)
−4.0
I
O
50
75
= 1.0 mA
No Heatsink
I
O
= 40 mA
−6.0
75
100
I
O
= 100 mA
MC79L00, MC79L00A Series
(T
TYPICAL CHARACTERISTICS
A
−0.8
100
125
= +25°C, unless otherwise noted.)
http://onsemi.com
−10
125
150
6
170
150
130
110
90
70
50
30
Figure 9. SOP−8 Thermal Resistance and Maximum
0
Power Dissipation versus P.C.B. Copper Length
−2.5
−2.0
−1.5
−1.0
−0.5
5.0
4.0
3.0
2.0
1.0
0
0
0
0
Dropout of Regulation is
defined when
DV
−5.0
10
O
= 2% of V
Figure 7. Input Bias Current versus
Figure 5. Dropout Voltage versus
R
25
qJA
L, LENGTH OF COPPER (mm)
−10
T
J
, JUNCTION TEMPERATURE (°C)
O
Junction Temperature
20
Î Î Î
Î Î Î Î Î Î
Graph represents symmetrical layout
−15
V
Input Voltage
L
in
50
, INPUT VOLTAGE (V)
I
P
Copper
2.0 oz.
O
D(max)
= 70 mA
L
−20
Î Î Î
Î Î Î
30
MC79L05C
V
I
for T
O
O
I
75
= 40 mA
O
= −5.0 V
−25
A
= 1.0 mA
= +50°C
Î Î Î
40
−30
3.0 mm
100
I
O
−35
= 40 mA
50
3.2
2.8
2.4
2.0
1.6
1.2
0.8
0.4
125
−40