参数资料
型号: MC7812CT
厂商: ON SEMICONDUCTOR
元件分类: 固定正电压单路输出标准稳压器
英文描述: 1.0A positive voltage regulators
中文描述: 12 V FIXED POSITIVE REGULATOR, SFM3
封装: TO-220, 3 PIN
文件页数: 11/33页
文件大小: 289K
代理商: MC7812CT
MC7800, MC7800A, MC7800AE, NCV7800
http://onsemi.com
19
Figure 2. Peak Output Current as a Function of
Input/Output Differential Voltage (MC78XXC, AC, B)
Figure 3. Ripple Rejection as a Function of
Output Voltages (MC78XXC, AC, B)
Figure 4. Ripple Rejection as a Function of
Frequency (MC78XXC, AC, B)
Figure 5. Output Voltage as a Function of
Junction Temperature (MC7805C, AC, B)
I O
VinVout, INPUT/OUTPUT VOLTAGE DIFFERENTIAL (V)
3.0
2.0
1.5
1.0
0
4.0
8.0
12
20
30
40
,OUTPUT
CURRENT
(A)
80
70
60
50
40
4.0
6.0
8.0
10
12
14
16
18
20
22
24
VO, OUTPUT VOLTAGE (V)
RR,
RIPPLE
REJECTION
(dB)
PART #
Vin
MC7805C= 10 V
MC7806C= 11 V
MC7808C= 14 V
MC7812C= 19 V
MC7815C= 23 V
MC7818C= 27 V
MC7824C= 33 V
80
50
RR,
RIPPLE
REJECTION
(dB)
0.1
10
f, FREQUENCY (kHz)
0.01
,OUTPUT
VOL
TAGE
(V)
O
5.0
4.9
-60
-20
20
60
100
140
180
TJ, JUNCTION TEMPERATURE (°C)
V
2.5
0.5
70
40
30
60
4.8
6.0
10
15
25
35
TJ = 85°C
TJ = 25°C
1.0
f = 120 Hz
IO = 20 mA
DVin = 1.0 V(RMS)
TJ = 125°C
TJ = 0°C
Vin = 20 V
IO = 5.0 mA
MC78XXB, C, AC
Vin = 8.0 V to 18 V
IO = 500 mA
f = 120 Hz
TA = 25°C
TJ = -40°C
7.80
7.85
7.90
7.95
8.00
8.05
8.10
8.15
8.20
-40
-20
0
20
40
60
80
100
120
140
160
180
Figure 6. Output Voltage as a Function of
Junction Temperature (MC7808AE)
TJ, JUNCTION TEMPERATURE (5C)
V
O
,OUTPUT
VOL
TAGE
(V)
Vin = 14 V
IO = 1.0 mA
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