參數(shù)資料
型號: MC78L08ABPRAG
廠商: ON SEMICONDUCTOR
元件分類: 基準電壓源/電流源
英文描述: 5.0 AMP POSITIVE VOLTAGE REGULATOR
中文描述: 8 V FIXED POSITIVE REGULATOR, PBCY3
封裝: LEAD FREE, TO-92, 3 PIN
文件頁數(shù): 7/16頁
文件大小: 136K
代理商: MC78L08ABPRAG
MC78L00A Series, NCV78L00A
http://onsemi.com
7
P
II
II
VO
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 TO92 Type Package
V
I
, INPUT VOLTAGE (V)
0
2.0
4.0
6.0
8.0
10
,
O
I
V
T
J
, JUNCTION TEMPERATURE (
°
C)
0
25
50
75
100
125
Dropout of Regulation is
defined as when
V
O
= 2% of V
O
T
A
, AMBIENT TEMPERATURE (
°
C)
0
25
50
75
100
125
V
I
, INPUT VOLTAGE (V)
0
5.0
10
15
20
25
30
35
40
T
A
, AMBIENT TEMPERATURE (
°
C)
25
50
75
100
125
150
No Heatsink
8.0
6.0
4.0
2.0
0
2.5
2.0
1.5
1.0
0.5
0
4.2
4.0
3.8
3.6
3.4
3.2
3.0
0
5.0
4.0
3.0
2.0
1.0
0
10,000
1000
100
10
MC78L05AC
V
out
= 5.0 V
T
J
= 25
°
C
MC78L05AC
V
out
= 5.0 V
I
O
= 40 mA
T
J
= 25
°
C
R
JA
= 200
°
C/W
P
D(max)
to 25
°
C = 625 mW
I
O
= 1.0 mA
I
O
= 40 mA
I
O
= 100 mA
I
O
= 70 mA
I
O
= 1.0 mA
I
O
= 40 mA
MC78L05AC
V
I
= 10 V
V
O
= 5.0 V
I
O
= 40 mA
30
50
70
90
110
130
150
0.4
0.8
1.2
1.6
2.0
2.4
2.8
0
20
30
50
40
10
L, LENGTH OF COPPER (mm)
170
3.2
R
JA
PD
R
θ
,
J
J
°
,
L
3.0 mm
2.0 oz.
Graph represents symmetrical layout
Figure 8. SOIC8 Thermal Resistance and Maximum
Power Dissipation versus P.C.B. Copper Length
P
D(max)
for T
A
= 50
°
C
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