MC7905ACD2TT4 [ONSEMI]

5V FIXED NEGATIVE REGULATOR, PSSO2, PLASTIC, D2PAK-3;
MC7905ACD2TT4
型号: MC7905ACD2TT4
厂家: ONSEMI    ONSEMI
描述:

5V FIXED NEGATIVE REGULATOR, PSSO2, PLASTIC, D2PAK-3

输出元件 调节器
文件: 总16页 (文件大小:195K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
MC7900 Series  
1.0 A Negative Voltage  
Regulators  
The MC7900 series of fixed output negative voltage regulators are  
intended as complements to the popular MC7800 series devices.  
These negative regulators are available in the same sevenvoltage  
options as the MC7800 devices. In addition, one extra voltage option  
commonly employed in MECL systems is also available in the  
negative MC7900 series.  
http://onsemi.com  
Available in fixed output voltage options from 5.0 V to 24 V,  
these regulators employ current limiting, thermal shutdown, and  
safearea compensation making them remarkably rugged under  
most operating conditions. With adequate heatsinking they can deliver  
output currents in excess of 1.0 A.  
TO220  
T SUFFIX  
CASE 221AB  
Heatsink surface  
connected to Pin 2.  
No External Components Required  
1
2
Internal Thermal Overload Protection  
3
Internal Short Circuit Current Limiting  
Pin 1. Ground  
2. Input  
3. Output  
Output Transistor SafeArea Compensation  
Available in 2% Voltage Tolerance (See Ordering Information)  
PbFree Package May be Available. The GSuffix Denotes a  
2
D PAK  
PbFree Lead Finish  
D2T SUFFIX  
CASE 936  
1
2
Gnd  
3
2.0 k  
8.0 k  
1.0 k  
Heatsink surface (shown as terminal 4 in  
case outline drawing) is connected to Pin 2.  
R
3.6 k  
1.2 k  
4.0 k  
1
1.6 k  
STANDARD APPLICATION  
R
2
MC79XX  
Input  
Output  
C *  
0.33 mF  
V
O
10 k  
in  
C **  
1.0 mF  
O
20 pF  
10 pF 10 k  
240  
A common ground is required between the input  
and the output voltages. The input voltage must  
remain typically 2.0 V above more negative even  
during the high point of the input ripple voltage.  
20 k 20 k  
2.0 k  
0.3  
1.1 k  
750  
V
I
XX, These two digits of the type number  
indicate nominal voltage.  
This device contains 26 active transistors.  
** C is required if regulator is located an  
in  
Figure 1. Representative Schematic Diagram  
appreciable distance from power supply filter.  
** C improve stability and transient response.  
O
ORDERING INFORMATION  
See detailed ordering and shipping information in the package  
dimensions section on page 11 of this data sheet.  
DEVICE MARKING INFORMATION  
See general marking information in the device marking  
section on page 14 of this data sheet.  
© Semiconductor Components Industries, LLC, 2013  
1
Publication Order Number:  
July, 2013 Rev. 18  
MC7900/D  
MC7900 Series  
MAXIMUM RATINGS (T = +25°C, unless otherwise noted.)  
A
Rating  
Symbol  
Value  
Unit  
Input Voltage (5.0 V V 18 V)  
V
I
35  
40  
Vdc  
O
Input Voltage (24 V)  
Power Dissipation  
Case 221A  
T = +25°C  
Thermal Resistance, JunctiontoAmbient  
P
q
Internally Limited  
W
°C/W  
°C/W  
A
D
JA  
JC  
65  
5.0  
Thermal Resistance, JunctiontoCase  
q
2
Case 936 (D PAK)  
T = +25°C  
Thermal Resistance, JunctiontoAmbient  
Thermal Resistance, JunctiontoCase  
P
q
Internally Limited  
W
°C/W  
°C/W  
A
D
JA  
JC  
70  
5.0  
q
Storage Junction Temperature Range  
Junction Temperature  
T
65 to +150  
°C  
°C  
stg  
T
+150  
J
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the  
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect  
device reliability.  
*This device series contains ESD protection and exceeds the following tests:  
Human Body Model 2000 V per MIL_STD_883, Method 3015  
Machine Model Method 200 V  
MC7905B, MC7905C  
ELECTRICAL CHARACTERISTICS (V = 10 V, I = 500 mA, Tlow* < T < +125°C, unless otherwise noted.)  
I
O
J
Characteristics  
Symbol  
Min  
Typ  
Max  
Unit  
Vdc  
mV  
Output Voltage (T = +25°C)  
V
O
4.8  
5.0  
5.2  
J
Line Regulation (Note 1)  
Reg  
line  
(T = +25°C, I = 100 mA)  
J
O
7.0 Vdc V 25 Vdc  
7.0  
2.0  
50  
25  
I
8.0 Vdc V 12 Vdc  
I
(T = +25°C, I = 500 mA)  
J
O
7.0 Vdc V 25 Vdc  
35  
8.0  
100  
50  
I
8.0 Vdc V 12 Vdc  
I
Load Regulation, T = +25°C (Note 1)  
Reg  
mV  
J
load  
5.0 mA I 1.5 A  
11  
4.0  
100  
50  
O
250 mA I 750 mA  
O
Output Voltage  
V
O
Vdc  
7.0 Vdc V 20 Vdc, 5.0 mA I 1.0 A, P 15 W  
4.75  
5.25  
I
O
Input Bias Current (T = +25°C)  
I
4.3  
8.0  
mA  
mA  
J
IB  
Input Bias Current Change  
DI  
IB  
7.0 Vdc V 25 Vdc  
1.3  
0.5  
I
5.0 mA I 1.5 A  
O
Output Noise Voltage (T = +25°C, 10 Hz f 100 kHz)  
V
40  
70  
mV  
dB  
A
n
Ripple Rejection (I = 20 mA, f = 120 Hz)  
RR  
V V  
O
Dropout Voltage  
Vdc  
I
O
I
O
= 1.0 A, T = +25°C  
1.3  
J
Average Temperature Coefficient of Output Voltage  
= 5.0 mA, Tlow* T +125°C  
DV /DT  
mV/°C  
O
I
O
1.0  
J
1. Load and line regulation are specified at constant junction temperature. Changes in V due to heating effects must be taken into account  
O
separately. Pulse testing with low duty cycle is used.  
*Tlow = 40°C for MC7905B and Tlow = 0°C for MC7905C.  
http://onsemi.com  
2
 
MC7900 Series  
MC7905AC  
ELECTRICAL CHARACTERISTICS (V = 10 V, I = 500 mA, 0°C < T < +125°C, unless otherwise noted.)  
I
O
J
Characteristics  
Symbol  
Min  
Typ  
Max  
Unit  
Vdc  
mV  
Output Voltage (T = +25°C)  
V
O
4.9  
5.0  
5.1  
J
Line Regulation (Note 2)  
Reg  
line  
8.0 Vdc V 12 Vdc; I = 1.0 A, T = +25°C  
2.0  
7.0  
7.0  
6.0  
25  
50  
50  
50  
I
O
J
8.0 Vdc V 12 Vdc; I = 1.0 A  
I
O
7.5 Vdc V 25 Vdc; I = 500 mA  
I
O
7.0 Vdc V 20 Vdc; I = 1.0 A, T = +25°C  
I
O
J
Load Regulation (Note 2)  
Reg  
mV  
load  
5.0 mA I 1.5 A, T = +25°C  
11  
4.0  
9.0  
100  
50  
100  
O
J
250 mA I 750 mA  
O
5.0 mA I 1.0 A  
O
Output Voltage  
V
O
Vdc  
7.5 Vdc V 20 Vdc, 5.0 mA I 1.0 A, P 15 W  
4.80  
5.20  
I
O
Input Bias Current  
I
4.4  
8.0  
mA  
mA  
IB  
Input Bias Current Change  
DI  
IB  
7.5 Vdc V 25 Vdc  
1.3  
0.5  
0.5  
I
5.0 mA I 1.0 A  
O
5.0 mA I 1.5 A, T = +25°C  
O
J
Output Noise Voltage (T = +25°C, 10 Hz f 100 kHz)  
V
40  
70  
mV  
dB  
A
n
Ripple Rejection (I = mA, f = 120 Hz)  
RR  
V V  
O
Dropout Voltage (I = 1.0 A. T = +25°C)  
1.3  
Vdc  
O
J
I
O
Average Temperature Coefficient of Output Voltage  
= 5.0 A, 0°C T +125°C  
DV /DT  
mV/°C  
O
I
O
1.0  
J
MC7905.2C  
ELECTRICAL CHARACTERISTICS (V = 10 V, I = 500 mA, 0°C < T < +125°C, unless otherwise noted.)  
I
O
J
Characteristics  
Symbol  
Min  
Typ  
Max  
Unit  
Vdc  
mV  
Output Voltage (T = +25°C)  
V
O
5.0  
5.2  
5.4  
J
Line Regulation (Note 2)  
Reg  
line  
(T = +25°C, I = 100 mA)  
J
O
7.2 Vdc V 25 Vdc  
8.0  
2.2  
52  
27  
I
8.0 Vdc V 12 Vdc  
I
(T = +25°C, I = 500 mA)  
J
O
7.2 Vdc V 25 Vdc  
37  
8.5  
105  
52  
I
8.0 Vdc V 12 Vdc  
I
Load Regulation, T = +25°C (Note 2)  
Reg  
mV  
J
load  
5.0 mA I 1.5 A  
12  
4.5  
105  
52  
O
250 mA I 750 mA  
O
Output Voltage  
V
O
Vdc  
7.2 Vdc V 20 Vdc, 5.0 mA I 1.0 A, P 15 W  
4.95  
5.45  
I
O
Input Bias Current (T = +25°C)  
I
4.3  
8.0  
mA  
mA  
J
IB  
Input Bias Current Change  
DI  
IB  
7.2 Vdc V 25 Vdc  
1.3  
0.5  
I
5.0 mA I 1.5 A  
O
Output Noise Voltage (T = +25°C, 10 Hz f 100 kHz)  
V
42  
68  
mV  
dB  
A
n
Ripple Rejection (I = 20 mA, f = 120 Hz)  
RR  
V V  
O
Dropout Voltage (I = 1.0 A, T = +25°C)  
1.3  
Vdc  
O
J
I
O
Average Temperature Coefficient of Output Voltage  
= 5.0 mA, 0°C T +125°C  
DV /DT  
mV/°C  
O
I
O
1.0  
J
2. Load and line regulation are specified at constant junction temperature. Changes in V due to heating effects must be taken into account  
O
separately. Pulse testing with low duty cycle is used.  
http://onsemi.com  
3
 
MC7900 Series  
MC7906C  
ELECTRICAL CHARACTERISTICS (V = 11 V, I = 500 mA, 0°C < T < +125°C, unless otherwise noted.)  
I
O
J
Characteristics  
Symbol  
Min  
Typ  
Max  
Unit  
Vdc  
mV  
Output Voltage (T = +25°C)  
V
O
5.75  
6.0  
6.25  
J
Line Regulation (Note 3)  
Reg  
line  
(T = +25°C, I = 100 mA)  
J
O
8.0 Vdc V 25 Vdc  
9.0  
3.0  
60  
30  
I
9.0 Vdc V 13 Vdc  
I
(T = +25°C, I = 500 mA)  
J
O
8.0 Vdc V 25 Vdc  
43  
10  
120  
60  
I
9.0 Vdc V 13 Vdc  
I
Load Regulation, T = +25°C (Note 3)  
Reg  
mV  
J
load  
5.0 mA I 1.5 A  
13  
5.0  
120  
60  
O
250 mA I 750 mA  
O
Output Voltage  
V
O
Vdc  
8.0 Vdc V 21 Vdc, 5.0 mA I 1.0 A, P 15 W  
5.7  
6.3  
I
O
Input Bias Current (T = +25°C)  
I
4.3  
8.0  
mA  
mA  
J
IB  
Input Bias Current Change  
DI  
IB  
8.0 Vdc V 25 Vdc  
1.3  
0.5  
I
5.0 mA I 1.5 A  
O
Output Noise Voltage (T = +25°C, 10 Hz f 100 kHz)  
V
45  
65  
mV  
dB  
A
n
Ripple Rejection (I = 20 mA, f = 120 Hz)  
RR  
V V  
O
Dropout Voltage (I = 1.0 A, T = +25°C)  
1.3  
Vdc  
O
J
I
O
Average Temperature Coefficient of Output Voltage  
= 5.0 A, 0°C T +125°C  
DV /DT  
mV/°C  
O
I
O
1.0  
J
MC7908C  
ELECTRICAL CHARACTERISTICS (V = 14 V, I = 500 mA, 0°C < T < +125°C, unless otherwise noted.)  
I
O
J
Characteristics  
Symbol  
Min  
Typ  
Max  
Unit  
Vdc  
mV  
Output Voltage (T = +25°C)  
V
O
7.7  
8.0  
8.3  
J
Line Regulation (Note 3)  
Reg  
line  
(T = +25°C, I = 100 mA)  
J
O
10.5 Vdc V 25 Vdc  
12  
5.0  
80  
40  
I
11 Vdc V 17 Vdc  
I
(T = +25°C, I = 500 mA)  
J
O
10.5 Vdc V 25 Vdc  
50  
22  
160  
80  
I
11 Vdc V 17 Vdc  
I
Load Regulation, T = +25°C (Note 3)  
Reg  
mV  
J
load  
5.0 mA I 1.5 A  
26  
9.0  
160  
80  
O
250 mA I 750 mA  
O
Output Voltage  
V
O
Vdc  
10.5 Vdc V 23 Vdc, 5.0 mA I 1.0 A, P 15 W  
7.6  
8.4  
I
O
Input Bias Current (T = +25°C)  
I
4.3  
8.0  
mA  
mA  
J
IB  
Input Bias Current Change  
DI  
IB  
10.5 Vdc V 25 Vdc  
1.0  
0.5  
I
5.0 mA I 1.5 A  
O
Output Noise Voltage (T = +25°C, 10 Hz f 100 kHz)  
V
52  
62  
mV  
dB  
A
n
Ripple Rejection (I = 20 mA, f = 120 Hz)  
RR  
V V  
O
Dropout Voltage (I = 1.0 A, T = +25°C)  
1.3  
Vdc  
O
J
I
O
Average Temperature Coefficient of Output Voltage  
= 5.0 mA, 0°C T +125°C  
DV /DT  
mV/°C  
O
I
O
1.0  
J
3. Load and line regulation are specified at constant junction temperature. Changes in V due to heating effects must be taken into account  
O
separately. Pulse testing with low duty cycle is used.  
http://onsemi.com  
4
 
MC7900 Series  
MC7912B, MC7912C  
ELECTRICAL CHARACTERISTICS (V = 19 V, I = 500 mA, Tlow* < T < +125°C, unless otherwise noted.)  
I
O
J
Characteristics  
Symbol  
Min  
Typ  
Max  
Unit  
Vdc  
mV  
Output Voltage (T = +25°C)  
V
O
11.5  
12  
12.5  
J
Line Regulation (Note 4)  
Reg  
line  
(T = +25°C, I = 100 mA)  
J
O
14.5 Vdc V 30 Vdc  
13  
6.0  
120  
60  
I
16 Vdc V 22 Vdc  
I
(T = +25°C, I = 500 mA)  
J
O
14.5 Vdc V 30 Vdc  
55  
24  
240  
120  
I
16 Vdc V 22 Vdc  
I
Load Regulation, T = +25°C (Note 4)  
Reg  
mV  
J
load  
5.0 mA I 1.5 A  
46  
17  
240  
120  
O
250 mA I 750 mA  
O
Output Voltage  
V
O
Vdc  
14.5 Vdc V 27 Vdc, 5.0 mA I 1.0 A, P 15 W  
11.4  
12.6  
I
O
Input Bias Current (T = +25°C)  
I
4.4  
8.0  
mA  
mA  
J
IB  
Input Bias Current Change  
DI  
IB  
14.5 Vdc V 30 Vdc  
1.0  
0.5  
I
5.0 mA I 1.5 A  
O
Output Noise Voltage (T = +25°C, 10 Hz f 100 kHz)  
V
75  
61  
mV  
dB  
A
n
Ripple Rejection (I = 20 mA, f = 120 Hz)  
RR  
V V  
O
Dropout Voltage (I = 1.0 A, T = +25°C)  
1.3  
Vdc  
O
J
I
O
Average Temperature Coefficient of Output Voltage  
= 5.0 mA, Tlow* T +125°C  
DV /DT  
mV/°C  
O
I
O
1.0  
J
MC7912AC  
ELECTRICAL CHARACTERISTICS (V = 19 V, I = 500 mA, Tlow* < T < +125°C, unless otherwise noted.)  
I
O
J
Characteristics  
Symbol  
Min  
Typ  
Max  
Unit  
Vdc  
mV  
Output Voltage (T = +25°C)  
V
O
11.75  
12  
12.25  
J
Line Regulation (Note 4)  
Reg  
line  
16 Vdc V 22 Vdc; I = 1.0 A, T = +25°C  
6.0  
24  
24  
13  
60  
I
O
J
16 Vdc V 22 Vdc; I = 1.0 A  
120  
120  
120  
I
O
14.8 Vdc V 30 Vdc; I = 500 mA  
I
O
14.5 Vdc V 27 Vdc; I = 1.0 A, T = +25°C  
I
O
J
Load Regulation (Note 4)  
Reg  
mV  
load  
5.0 mA I 1.5 A, T = +25°C  
46  
17  
35  
150  
75  
150  
O
J
250 mA I 750 mA  
O
5.0 mA I 1.0 A  
O
Output Voltage  
V
O
Vdc  
14.8 Vdc V 27 Vdc, 5.0 mA I 1.0 A, P 15 W  
11.5  
12.5  
I
O
Input Bias Current  
I
4.4  
8.0  
mA  
mA  
IB  
Input Bias Current Change  
DI  
IB  
15 Vdc V 30 Vdc  
0.8  
0.5  
0.5  
I
5.0 mA I 1.0 A  
O
5.0 mA I 1.5 A, T = +25°C  
O
J
Output Noise Voltage (T = +25°C, 10 Hz f 100 kHz)  
V
75  
61  
mV  
dB  
A
n
Ripple Rejection (I = 20 mA, f = 120 Hz)  
RR  
V V  
O
Dropout Voltage (I = 1.0 A, T = +25°C)  
1.3  
Vdc  
O
J
I
O
Average Temperature Coefficient of Output Voltage  
= 5.0 A, Tlow* T +125°C  
DV /DT  
mV/°C  
O
I
O
1.0  
J
4. Load and line regulation are specified at constant junction temperature. Changes in V due to heating effects must be taken into account  
O
separately. Pulse testing with low duty cycle is used.  
*Tlow = 40°C for MC7912B and Tlow = 0°C for MC7912C.  
http://onsemi.com  
5
 
MC7900 Series  
MC7915B, MC7915C  
ELECTRICAL CHARACTERISTICS (V = 23 V, I = 500 mA, Tlow* < T < +125°C, unless otherwise noted.)  
I
O
J
Characteristics  
Symbol  
Min  
Typ  
Max  
Unit  
Vdc  
mV  
Output Voltage (T = +25°C)  
V
O
14.4  
15  
15.6  
J
Line Regulation (Note 5)  
Reg  
line  
(T = +25°C, I = 100 mA)  
J
O
17.5 Vdc V 30 Vdc  
14  
6.0  
150  
75  
I
20 Vdc V 26 Vdc  
I
(T = +25°C, I = 500 mA)  
J
O
17.5 Vdc V 30 Vdc  
57  
27  
300  
150  
I
20 Vdc V 26 Vdc  
I
Load Regulation, T = +25°C (Note 5)  
Reg  
mV  
J
load  
5.0 mA I 1.5 A  
68  
25  
300  
150  
O
250 mA I 750 mA  
O
Output Voltage  
V
O
Vdc  
17.5 Vdc V 30 Vdc, 5.0 mA I 1.0 A, P 15 W  
14.25  
15.75  
I
O
Input Bias Current (T = +25°C)  
I
4.4  
8.0  
mA  
mA  
J
IB  
Input Bias Current Change  
DI  
IB  
17.5 Vdc V 30 Vdc  
1.0  
0.5  
I
5.0 mA I 1.5 A  
O
Output Noise Voltage (T = +25°C, 10 Hz f 100 kHz)  
V
90  
60  
mV  
dB  
A
n
Ripple Rejection (I = 20 mA, f = 120 Hz)  
RR  
V V  
O
Dropout Voltage (I = 1.0 A, T = +25°C)  
1.3  
Vdc  
O
J
I
O
Average Temperature Coefficient of Output Voltage  
= 5.0 A, Tlow* T +125°C  
DV /DT  
mV/°C  
O
I
O
1.0  
J
MC7915AC  
ELECTRICAL CHARACTERISTICS (V = 23 V, I = 500 mA, Tlow* < T < +125°C, unless otherwise noted.)  
I
O
J
Characteristics  
Symbol  
Min  
Typ  
Max  
Unit  
Vdc  
mV  
Output Voltage (T = +25°C)  
V
O
14.7  
15  
15.3  
J
Line Regulation (Note 5)  
Reg  
line  
20 Vdc V 26 Vdc, I = 1.0 A, T = +25°C  
27  
57  
57  
57  
75  
I
O
J
20 Vdc V 26 Vdc, I = 1.0 A,  
150  
150  
150  
I
O
17.9 Vdc V 30 Vdc, I = 500 mA  
I
O
17.5 Vdc V 30 Vdc, I = 1.0 A, T = +25°C  
I
O
J
Load Regulation (Note 5)  
Reg  
mV  
load  
5.0 mA I 1.5 A, T = +25°C  
68  
25  
40  
150  
75  
150  
O
J
250 mA I 750 mA  
O
5.0 mA I 1.0 A  
O
Output Voltage  
V
O
Vdc  
17.9 Vdc V 30 Vdc, 5.0 mA I 1.0 A, P 15 W  
14.4  
15.6  
I
O
Input Bias Current  
I
4.4  
8.0  
mA  
mA  
IB  
Input Bias Current Change  
DI  
IB  
17.5 Vdc V 30 Vdc  
0.8  
0.5  
0.5  
I
5.0 mA I 1.0 A  
O
5.0 mA I 1.5 A, T = +25°C  
O
J
Output Noise Voltage (T = +25°C, 10 Hz f 100 kHz)  
V
90  
60  
mV  
dB  
A
n
Ripple Rejection (I = 20 mA, f = 120 Hz)  
RR  
V V  
O
Dropout Voltage (I = 1.0 A, T = +25°C)  
1.3  
Vdc  
O
J
I
O
Average Temperature Coefficient of Output Voltage  
= 5.0 mA, Tlow* T +125°C  
DV /DT  
mV/°C  
O
I
O
1.0  
J
5. Load and line regulation are specified at constant junction temperature. Changes in V due to heating effects must be taken into account  
O
separately. Pulse testing with low duty cycle is used.  
*Tlow = 40°C for MC7915B and Tlow = 0°C for MC7915C.  
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6
 
MC7900 Series  
MC7918C  
ELECTRICAL CHARACTERISTICS (V = 27 V, I = 500 mA, 0°C < T < +125°C, unless otherwise noted.)  
I
O
J
Characteristics  
Symbol  
Min  
Typ  
Max  
Unit  
Vdc  
mV  
Output Voltage (T = +25°C)  
V
O
17.3  
18  
18.7  
J
Line Regulation (Note 6)  
Reg  
line  
(T = +25°C, I = 100 mA)  
J
O
21 Vdc V 33 Vdc  
25  
10  
180  
90  
I
24 Vdc V 30 Vdc  
I
(T = +25°C, I = 500 mA)  
J
O
21 Vdc V 33 Vdc  
90  
50  
360  
180  
I
24 Vdc V 30 Vdc  
I
Load Regulation, T = +25°C (Note 6)  
Reg  
mV  
J
load  
5.0 mA I 1.5 A  
110  
55  
360  
180  
O
250 mA I 750 mA  
O
Output Voltage  
V
O
Vdc  
21 Vdc V 33 Vdc, 5.0 mA I 1.0 A, P 15 W  
17.1  
18.9  
I
O
Input Bias Current (T = +25°C)  
I
4.5  
8.0  
mA  
mA  
J
IB  
Input Bias Current Change  
DI  
IB  
21 Vdc V 33 Vdc  
1.0  
0.5  
I
5.0 mA I 1.5 A  
O
Output Noise Voltage (T = +25°C, 10 Hz f 100 kHz)  
V
110  
59  
mV  
dB  
A
n
Ripple Rejection (I = 20 mA, f = 120 Hz)  
RR  
V V  
O
Dropout Voltage (I = 1.0 A, T = +25°C)  
1.3  
Vdc  
O
J
I
O
Average Temperature Coefficient of Output Voltage  
= 5.0 mA, 0°C T +125°C  
DV /DT  
mV/°C  
O
I
O
1.0  
J
MC7924B, MC7924C  
ELECTRICAL CHARACTERISTICS (V = 33 V, I = 500 mA, Tlow* < T < +125°C, unless otherwise noted.)  
I
O
J
Characteristics  
Symbol  
Min  
Typ  
Max  
Unit  
Vdc  
mV  
Output Voltage (T = +25°C)  
V
O
23  
24  
25  
J
Line Regulation (Note 6)  
Reg  
line  
(T = +25°C, I = 100 mA)  
J
O
27 Vdc V 38 Vdc  
31  
14  
240  
120  
I
30 Vdc V 36 Vdc  
I
(T = +25°C, I = 500 mA)  
J
O
27 Vdc V 38 Vdc  
118  
70  
470  
240  
I
30 Vdc V 36 Vdc  
I
Load Regulation, T = +25°C (Note 6)  
Reg  
mV  
J
load  
5.0 mA I 1.5 A  
150  
85  
480  
240  
O
250 mA I 750 mA  
O
Output Voltage  
V
O
Vdc  
27 Vdc V 38 Vdc, 5.0 mA I 1.0 A, P 15 W  
22.8  
25.2  
I
O
Input Bias Current (T = +25°C)  
I
4.6  
8.0  
mA  
mA  
J
IB  
Input Bias Current Change  
DI  
IB  
27 Vdc V 38 Vdc  
1.0  
0.5  
I
5.0 mA I 1.5 A  
O
Output Noise Voltage (T = +25°C, 10 Hz f 100 kHz)  
V
170  
56  
mV  
dB  
A
n
Ripple Rejection (I = 20 mA, f = 120 Hz)  
RR  
V V  
O
Dropout Voltage (I = 1.0 A, T = +25°C)  
1.3  
Vdc  
O
J
I
O
Average Temperature Coefficient of Output Voltage  
= 5.0 mA, Tlow* T +125°C  
DV /DT  
mV/°C  
O
I
O
1.0  
J
6. Load and line regulation are specified at constant junction temperature. Changes in V due to heating effects must be taken into account  
O
separately. Pulse testing with low duty cycle is used.  
*Tlow = 40°C for MC7924B and Tlow = 0°C for MC7924C.  
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7
 
MC7900 Series  
20  
10  
2.5  
2.0  
1.5  
1.0  
0.5  
0
Infinite Heatsink  
q
= 5°C/W  
HS  
5.0  
4.0  
3.0  
T = +25°C  
J
q
= 15°C/W  
HS  
2.0  
No Heatsink  
1.0  
0.5  
0.4  
0.3  
0.2  
q
q
= 5° C/W  
JC  
JA  
= 65° C/W  
P (max) = 15W  
D
0.1  
0
3.0 6.0 9.0  
12  
15  
18 21  
24  
27  
30  
25  
50  
75  
100  
125  
150  
T , AMBIENT TEMPERATURE (°C)  
A
|V -V | INPUT-OUTPUT VOLTAGE DIFFERENTIAL (V)  
I
O
Figure 2. Worst Case Power Dissipation as a  
Function of Ambient Temperature  
Figure 3. Peak Output Current as a Function  
of InputOutput Differential Voltage  
100  
80  
70  
60  
50  
40  
V
V
= -11 V  
= -ꢀ6.0 V  
in  
O
f = 120 Hz  
80  
60  
40  
20  
0
I = 20 mA  
O
I
O
= 20 mA  
DV = 1.0 V(RMS)  
in  
10  
100  
1.0 k  
10 k  
100 k  
2.0 4.0 6.0  
8.0  
10  
12  
14  
16  
18  
20  
22  
f, FREQUENCY (Hz)  
V , OUTPUT VOLTAGE (V)  
O
Figure 4. Ripple Rejection as a  
Function of Frequency  
Figure 5. Ripple Rejection as a Function  
of Output Voltage  
6.26  
6.22  
6.18  
6.14  
6.10  
6.06  
5.2  
5.0  
4.8  
V
V
= -11 V  
= -ꢀ6.0 V  
= 20 mA  
in  
4.6  
4.4  
4.2  
O
V
V
= -11 V  
= -ꢀ6.0 V  
= 20 mA  
in  
D
I
O
I
O
0
25  
50  
75  
100  
125  
-25  
0
25  
50  
75  
100  
125  
150  
175  
T , JUNCTION TEMPERATURE (°C)  
J
T , JUNCTION TEMPERATURE (°C)  
J
Figure 6. Output Voltage as a Function  
of Junction Temperature  
Figure 7. Quiescent Current as a  
Function of Temperature  
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8
MC7900 Series  
APPLICATIONS INFORMATION  
-ꢀ5.0 V  
Output  
-10 V  
Input  
Design Considerations  
0.56  
The MC7900 Series of fixed voltage regulators are  
designed with Thermal overload Protection that shuts down  
the circuit when subjected to an excessive power overload  
condition. Internal Short Circuit Protection that limits the  
maximum current the circuit will pass, and Output Transistor  
SafeArea Compensation that reduces the output short circuit  
current as the voltage across the pass transistor is increased.  
In many low current applications, compensation  
capacitors are not required. However, it is recommended  
that the regulator input be bypassed with a capacitor if the  
regulator is connected to the power supply filter with long  
wire lengths, or if the output load capacitance is large. An  
input bypass capacitor should be selected to provide good  
highfrequency characteristics to insure stable operation  
under all load conditions. A 0.33 mF or larger tantalum,  
mylar, or other capacitor having low internal impedance at  
high frequencies should be chosen. The capacitor chosen  
should have an equivalent series resistance of less than  
0.7 W. The bypass capacitor should be mounted with the  
shortest possible leads directly across the regulators input  
terminals. Normally good construction techniques should be  
used to minimize ground loops and lead resistance drops  
since the regulator has no external sense lead. Bypassing the  
output is also recommended.  
2N3055*  
or Equiv  
0.56  
0.56  
MJE200*  
or Equiv  
MC7905*  
5.6  
1.0 mF  
1.0 mF  
Gnd  
10 mF  
+
+
+
Gnd  
*Mounted on heatsink.  
Figure 9. Current Boost Regulator  
(5.0 V @ 4.0 A, with 5.0 A Current Limiting)  
When a boost transistor is used, short circuit currents are  
equal to the sum of the series pass and regulator limits, which  
are measured at 3.2 A and 1.8 A respectively in this case.  
Series pass limiting is approximately equal to 0.6 V/R  
.
SC  
Operation beyond this point to the peak current capability of  
the MC7905C is possible if the regulator is mounted on a  
heatsink; otherwise thermal shutdown will occur when the  
additional load current is picked up by the regulator.  
1N4001G or Equiv  
+20 V  
Input  
+15 V  
Output  
MC7815  
-20 V  
Input  
I
= 200 mA  
O
10  
R
Clamp diode  
1N4001G  
or Equiv  
Gnd  
MC7905  
+
+
+
-
V
0.33 mF  
1.0 mF  
1.0 mF  
1.0 mF  
10 V  
O
Gnd  
+
1N4001G  
or Equiv  
1.0 mF  
1.0 mF  
1.0 mF  
+
+
Gnd  
Gnd  
MC7915  
-ꢀ20 V  
Input  
-15 V  
Output  
Figure 8. Current Regulator  
The MC7905, 5.0 V regulator can be used as a constant  
current source when connected as above. The output current  
1N4001G or Equiv  
is the sum of resistor R current and quiescent bias current as  
Figure 10. Operational Amplifier Supply  
follows:  
The MC7815 and MC7915 positive and negative  
regulators may be connected as shown to obtain a dual  
power supply for operational amplifiers. A clamp diode  
should be used at the output of the MC7815 to prevent  
potential latchup problems whenever the output of the  
positive regulator (MC7815) is drawn below ground with an  
output current greater than 200 mA.  
5.0 V  
R
IO  
+
) IB  
The quiescent current for this regulator is typically 4.3  
mA. The 5.0 V regulator was chosen to minimize dissipation  
and to allow the output voltage to operate to within 6.0 V  
below the input voltage.  
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9
MC7900 Series  
Protection Diodes  
Diode D2 prevents output capacitor from discharging thru  
the MC7915 during an input short circuit or fast switch off  
of power supply.  
When external capacitors are used with MC7900 series  
regulator it is sometimes necessary to add protection diodes  
to prevent the capacitors from discharging through low  
current points into the regulator or from output polarity  
reversals. Generally, no protection diode is required for  
values of output capacitance less then 10mF. Figure 11 shows  
the MC7915 with the recommended protection diodes.  
Gnd  
Gnd  
+
+
MBRS140  
or Equiv  
1.0 mF  
1.0 mF  
D1  
MC7915  
-ꢀ20 V  
Input  
-15 V  
Output  
Opposite Polarity Protection  
D2  
Diode D1 protects the regulator from output polarity  
reversals during startup, power off and short-circuit  
operation.  
MBRS140  
or Equiv  
Figure 11. Protection Diodes  
Reverse-bias Protection  
DEFINITIONS  
Line Regulation The change in output voltage for a  
change in the input voltage. The measurement is made under  
conditions of low dissipation or by using pulse techniques  
such that the average chip temperature is not significantly  
affected.  
Input Bias Current That part of the input current that  
is not delivered to the load.  
Output Noise Voltage The rms AC voltage at the  
output, with constant load and no input ripple, measured  
over a specified frequency range.  
Load Regulation The change in output voltage for a  
change in load current at constant chip temperature.  
Maximum Power Dissipation The maximum total  
device dissipation for which the regulator will operate  
within specifications.  
Long Term Stability Output voltage stability under  
accelerated life test conditions with the maximum rated  
voltage listed in the devices’ electrical characteristics and  
maximum power dissipation.  
80  
3.5  
P
D(max)  
for T = +50°C  
A
70  
3.0  
Free Air  
Mounted  
Vertically  
2.0 oz. Copper  
2.5  
60  
L
Minimum  
Size Pad  
50  
40  
30  
2.0  
L
1.5  
R
q
JA  
1.0  
30  
0
5.0  
10  
15  
20  
25  
L, LENGTH OF COPPER (mm)  
Figure 12. D2PAK Thermal Resistance and Maximum  
Power Dissipation versus P.C.B. Copper Length  
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10  
 
MC7900 Series  
ORDERING INFORMATION  
Output Voltage  
Nominal  
Operating  
Output Voltage  
Tolerance  
Temperature Range  
Device  
MC7905ACD2T  
MC7905ACD2TG  
Package  
Shipping  
2
5.0 V  
2%  
D PAK  
T = 0°C to +125°C  
J
50 Units/Rail  
50 Units/Rail  
2
D PAK  
(PbFree)  
2
MC7905ACD2TR4  
MC7905ACD2TR4G  
D PAK  
800 Tape & Reel  
800 Tape & Reel  
2
D PAK  
(PbFree)  
MC7905ACT  
TO220  
50 Units/Rail  
50 Units/Rail  
MC7905ACTG  
TO220  
(PbFree)  
2
MC7905BD2T  
4%  
D PAK  
T = 40°C to +125°C  
J
50 Units/Rail  
50 Units/Rail  
2
MC7905BD2TG  
D PAK  
(PbFree)  
2
MC7905BD2TR4  
D PAK  
800 Tape & Reel  
800 Tape & Reel  
2
MC7905BD2TR4G  
D PAK  
(PbFree)  
MC7905BT  
TO220  
50 Units/Rail  
50 Units/Rail  
MC7905BTG  
TO220  
(PbFree)  
2
MC7905CD2T  
D PAK  
T = 0°C to +125°C  
J
50 Units/Rail  
50 Units/Rail  
2
MC7905CD2TG  
D PAK  
(PbFree)  
2
MC7905CD2TR4  
D PAK  
800 Tape & Reel  
800 Tape & Reel  
2
MC7905CD2TR4G  
D PAK  
(PbFree)  
MC7905CT  
TO220  
50 Units/Rail  
50 Units/Rail  
MC7905CTG  
TO220  
(PbFree)  
MC7905.2CT  
5.2 V  
6.0 V  
4%  
4%  
TO220  
T = 0°C to +125°C  
50 Units/Rail  
50 Units/Rail  
J
MC7905.2CTG  
TO220  
(PbFree)  
2
MC7906CD2T  
D PAK  
T = 0°C to +125°C  
J
50 Units/Rail  
50 Units/Rail  
2
MC7906CD2TG  
D PAK  
(PbFree)  
MC7906CT  
TO220  
50 Units/Rail  
50 Units/Rail  
MC7906CTG  
TO220  
(PbFree)  
MC7908ACT  
8.0 V  
2%  
4%  
TO220  
T = 0°C to +125°C  
J
50 Units/Rail  
50 Units/Rail  
MC7908ACTG  
TO220  
(PbFree)  
2
MC7908CD2T  
D PAK  
50 Units/Rail  
50 Units/Rail  
2
MC7908CD2TG  
D PAK  
(PbFree)  
2
MC7908CD2TR4  
D PAK  
800 Tape & Reel  
800 Tape & Reel  
2
MC7908CD2TR4G  
D PAK  
(PbFree)  
MC7908CT  
TO220  
50 Units/Rail  
50 Units/Rail  
MC7908CTG  
TO220  
(PbFree)  
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11  
MC7900 Series  
Nominal  
Output Voltage  
Operating  
Output Voltage  
Tolerance  
Temperature Range  
Device  
MC7912ACD2T  
MC7912ACD2TG  
Package  
Shipping  
2
12 V  
2%  
D PAK  
T = 0°C to +125°C  
J
50 Units/Rail  
50 Units/Rail  
2
D PAK  
(PbFree)  
2
MC7912ACD2TR4  
MC7912ACD2TR4G  
D PAK  
800 Tape & Reel  
800 Tape & Reel  
2
D PAK  
(PbFree)  
MC7912ACT  
TO220  
50 Units/Rail  
50 Units/Rail  
MC7912ACTG  
TO220  
(PbFree)  
2
MC7912BD2T  
4%  
D PAK  
T = 40°C to +125°C  
J
50 Units/Rail  
50 Units/Rail  
2
MC7912BD2TG  
D PAK  
(PbFree)  
2
MC7912BD2TR4  
D PAK  
800 Tape & Reel  
800 Tape & Reel  
2
MC7912BD2TR4G  
D PAK  
(PbFree)  
MC7912BT  
TO220  
50 Units/Rail  
50 Units/Rail  
MC7912BTG  
TO220  
(PbFree)  
2
MC7912CD2T  
D PAK  
T = 0°C to +125°C  
J
50 Units/Rail  
50 Units/Rail  
2
MC7912CD2TG  
D PAK  
(PbFree)  
2
MC7912CD2TR4  
D PAK  
800 Tape & Reel  
800 Tape & Reel  
2
MC7912CD2TR4G  
D PAK  
(PbFree)  
MC7912CT  
TO220  
50 Units/Rail  
50 Units/Rail  
MC7912CTG  
TO220  
(PbFree)  
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12  
MC7900 Series  
Nominal  
Output Voltage  
Operating  
Output Voltage  
Tolerance  
Temperature Range  
Device  
MC7915ACD2T  
MC7915ACD2TG  
Package  
Shipping  
2
15 V  
2%  
D PAK  
T = 0°C to +125°C  
J
50 Units/Rail  
50 Units/Rail  
2
D PAK  
(PbFree)  
TO220  
MC7915ACT  
50 Units/Rail  
50 Units/Rail  
MC7915ACTG  
TO220  
(PbFree)  
2
MC7915BD2T  
4%  
D PAK  
T = 40°C to +125°C  
J
50 Units/Rail  
50 Units/Rail  
2
MC7915BD2TG  
D PAK  
(PbFree)  
TO220  
MC7915BT  
50 Units/Rail  
50 Units/Rail  
MC7915BTG  
TO220  
(PbFree)  
2
MC7915BD2TR4G  
D PAK  
800 Tape & Reel  
(PbFree)  
2
MC7915CD2T  
D PAK  
T = 0°C to +125°C  
J
50 Units/Rail  
50 Units/Rail  
2
MC7915CD2TG  
D PAK  
(PbFree)  
2
MC7915CD2TR4  
D PAK  
800 Tape & Reel  
800 Tape & Reel  
2
MC7915CD2TR4G  
D PAK  
(PbFree)  
MC7915CT  
TO220  
50 Units/Rail  
50 Units/Rail  
MC7915CTG  
TO220  
(PbFree)  
MC7918CT  
18 V  
24 V  
4%  
4%  
TO220  
T = 0°C to +125°C  
50 Units/Rail  
50 Units/Rail  
J
MC7918CTG  
TO220  
(PbFree)  
MC7924BT  
TO220  
T = 40°C to +125°C  
J
50 Units/Rail  
50 Units/Rail  
MC7924BTG  
TO220  
(PbFree)  
2
MC7924CD2T  
D PAK  
T = 0°C to +125°C  
J
50 Units/Rail  
50 Units/Rail  
2
MC7924CD2TG  
D PAK  
(PbFree)  
MC7924CT  
TO220  
50 Units/Rail  
50 Units/Rail  
MC7924CTG  
TO220  
(PbFree)  
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging  
Specifications Brochure, BRD8011/D.  
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13  
MC7900 Series  
MARKING DIAGRAMS  
TO220  
T SUFFIX  
CASE 221AB  
MC  
MC  
MC  
MC  
79xxACT  
AWLYWWG  
7905.2CT  
AWLYWWG  
79xxBT  
AWLYWWG  
79xxCT  
AWLYWWG  
1
2
3
1
2
3
1
2
3
1 2 3  
2
D PAK  
D2T SUFFIX  
CASE 936  
MC  
MC  
MC  
79xxACD2T  
AWLYWWG  
79xxBD2T  
AWLYWWG  
79xxCD2T  
AWLYWWG  
2
2
2
1
3
1
3
1
3
xx = Nominal Voltage  
= Assembly Location  
WL = Wafer Lot  
= Year  
WW = Work Week  
= PbFree Device  
A
Y
G
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14  
MC7900 Series  
PACKAGE DIMENSIONS  
D2PAK  
D2T SUFFIX  
CASE 93603  
ISSUE D  
NOTES:  
ꢁꢂ1. DIMENSIONING AND TOLERANCING PER ANSI  
Y14.5M, 1982.  
ꢁꢂ2. CONTROLLING DIMENSION: INCHES.  
ꢁꢂ3. TAB CONTOUR OPTIONAL WITHIN  
DIMENSIONS A AND K.  
ꢁꢂ4. DIMENSIONS U AND V ESTABLISH A MINIMUM  
MOUNTING SURFACE FOR TERMINAL 4.  
ꢁꢂ5. DIMENSIONS A AND B DO NOT INCLUDE  
MOLD FLASH OR GATE PROTRUSIONS. MOLD  
FLASH AND GATE PROTRUSIONS NOT TO  
EXCEED 0.025 (0.635) MAXIMUM.  
T
T
TERMINAL 4  
C
C
A
K
U
OPTIONAL  
CHAMFER  
OPTIONAL  
CHAMFER  
ED  
ES  
S
V
B
DETAIL C  
DETAIL C  
H
1
2
3
ꢁꢂ6. SINGLE GAUGE DESIGN WILL BE SHIPPED  
AFTER FPCN EXPIRATION IN OCTOBER 2011.  
J
INCHES  
DIM MIN MAX  
MILLIMETERS  
MIN MAX  
9.804 10.236  
F
SIDE VIEW  
BOTTOM VIEW  
SIDE VIEW  
A
B
C
D
0.386  
0.356  
0.170  
0.026  
0.403  
0.368  
0.180  
0.036  
0.055  
0.026  
SINGLE GAUGE  
CONSTRUCTION  
DUAL GAUGE  
G
9.042  
4.318  
0.660  
1.143  
0.457  
9.347  
4.572  
0.914  
1.397  
0.660  
CONSTRUCTION  
2X  
D
M
0.010 (0.254)  
T
TOP VIEW  
ED 0.045  
ES 0.018  
F
G
H
J
0.051 REF  
0.100 BSC  
0.539 0.579 13.691 14.707  
0.125 MAX  
0.050 REF  
1.295 REF  
2.540 BSC  
3.175 MAX  
1.270 REF  
T
N
K
L
M
L
0.000  
0.088  
0.018  
0.058  
0.010  
0.102  
0.026  
0.078  
0.000  
0.254  
2.591  
0.660  
1.981  
M
N
P
R
S
U
V
2.235  
0.457  
1.473  
SEATING  
PLANE  
P
5_REF  
5_REF  
BOTTOM VIEW  
R
0.116 REF  
0.200 MIN  
0.250 MIN  
2.946 REF  
5.080 MIN  
6.350 MIN  
DETAIL C  
OPTIONAL CONSTRUCTIONS  
SOLDERING FOOTPRINT*  
10.490  
8.380  
16.155  
3.25X04  
2X  
1.016  
5.080  
PITCH  
DIMENSIONS: MILLIMETERS  
*For additional information on our PbFree strategy and soldering  
details, please download the ON Semiconductor Soldering and  
Mounting Techniques Reference Manual, SOLDERRM/D.  
http://onsemi.com  
15  
MC7900 Series  
PACKAGE DIMENSIONS  
TO220, SINGLE GAUGE  
T SUFFIX  
CASE 221AB  
ISSUE A  
NOTES:  
1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982.  
2. CONTROLLING DIMENSION: INCHES.  
3. DIMENSION Z DEFINES A ZONE WHERE ALL BODY AND  
LEAD IRREGULARITIES ARE ALLOWED.  
4. PRODUCT SHIPPED PRIOR TO 2008 HAD DIMENSIONS  
S = 0.045 - 0.055 INCHES (1.143 - 1.397 MM)  
SEATING  
PLANE  
T−  
C
S
B
F
T
INCHES  
DIM MIN MAX  
MILLIMETERS  
4
MIN  
14.48  
9.66  
4.07  
0.64  
3.61  
2.42  
2.80  
0.46  
12.70  
1.15  
4.83  
2.54  
2.04  
0.508  
5.97  
0.00  
1.15  
---  
MAX  
15.75  
10.28  
4.82  
0.88  
3.73  
2.66  
3.93  
0.64  
14.27  
1.52  
5.33  
3.04  
2.79  
0.61  
6.47  
1.27  
---  
A
B
C
D
F
0.570  
0.380  
0.160  
0.025  
0.142  
0.095  
0.110  
0.018  
0.500  
0.045  
0.190  
0.100  
0.080  
0.020  
0.235  
0.000  
0.045  
---  
0.620  
0.405  
0.190  
0.035  
0.147  
0.105  
0.155  
0.025  
0.562  
0.060  
0.210  
0.120  
0.110  
0.024  
0.255  
0.050  
---  
A
K
Q
Z
1
2
3
U
H
G
H
J
K
L
N
Q
R
S
T
L
R
J
V
G
U
V
Z
D
0.080  
2.04  
N
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limitation special, consequential or incidental damages. “Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications  
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MC7900/D  

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