mc7805ac Freescale Semiconductor, Inc, mc7805ac Datasheet - Page 11

• Manufacturer Part Number: mc7805ac
• Description: Three Terminal Positive Fixed Voltage Regulators
• Manufacturer: Freescale Semiconductor, Inc

ELECTRICAL CHARACTERISTICS
ELECTRICAL CHARACTERISTICS
NOTES: 1. T low = –40 C for MC78XXAC, C
MOTOROLA ANALOG IC DEVICE DATA
Output Voltage (T J = 25 C)
Output Voltage (5.0 mA
Line Regulation (Note 2)
Load Regulation (Note 2)
Quiescent Current
Quiescent Current Change
Ripple Rejection
Dropout Voltage (I O = 1.0 A, T J = 25 C)
Output Noise Voltage (T A = 25 C)
Output Resistance f = 1.0 kHz
Short Circuit Current Limit (T A = 25 C)
Peak Output Current (T J = 25 C)
Average Temperature Coefficient of Output Voltage
Output Voltage (T J = 25 C)
Output Voltage (5.0 mA
Line Regulation, (Note 2)
Load Regulation, (Note 2)
Quiescent Current
Quiescent Current Change
21 Vdc
21 Vdc
24 Vdc
24 Vdc
20.6 Vdc
5.0 mA
5.0 mA
250 mA
21 Vdc
21.5 Vdc
5.0 mA
22 Vdc
10 Hz
V in = 35 Vdc
27 Vdc
27 Vdc
30 Vdc
5.0 mA
27 Vdc
5.0 mA
2. Load and line regulation are specified at constant junction temperature. Changes in V O due to heating effects must be taken into account
separately. Pulse testing with low duty cycle is used.
f
V in
V in
V in
V in
V in
V in
V in
V in
V in
V in
I O
I O
I O
I O
I O
I O
V in
V in
100 kHz
1.5 A, T J = 25 C
1.0 A
1.0 A
1.5 A
1.0 A
33 Vdc
33 Vdc, I O = 500 mA
30 Vdc, I O = 1.0 A
30 Vdc, I O = 1.0 A, T J = 25 C
750 mA
33 Vdc, I O = 500 mA
32 Vdc, f = 120 Hz, I O = 500 mA
38 Vdc
38 Vdc
36 Vdc
38 Vdc
33 Vdc, I O = 1.0 A, T J = 25 C
30 Vdc, T J = 25 C
I O
I O
Characteristic
Characteristic
1.0 A, P D
1.0 A, P D
MC7800, MC7800A, LM340, LM340A Series
(V in = 27 V, I O = 1.0 A, T J = T low to T high [Note 1], unless otherwise noted.)
(V in = 33 V, I O = 500 mA, T J = T low to T high [Note 1], unless otherwise noted.)
T high = +125 C for MC78XXAC, C
15 W)
15 W)
Reg load
Reg load
Symbol
Symbol
Reg line
V I – V O
Reg line
TCV O
I max
I SC
V O
V O
∆I B
RR
V O
V O
∆I B
V n
r O
I B
I B
17.64
17.3
22.8
Min
Min
53
23
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
MC7818AC
MC7824C
–1.5
Typ
Typ
9.5
3.2
3.2
8.0
2.0
1.8
1.5
3.5
2.0
1.3
0.2
2.2
2.7
2.7
4.4
3.6
18
18
57
10
24
24
–
–
–
–
–
18.36
Max
18.7
10.5
Max
25.2
6.0
0.8
0.8
0.5
6.5
1.0
0.5
22
25
22
25
25
15
25
60
48
65
–
–
–
–
–
–
–
µV/V O
mV/ C
Unit
Unit
Vdc
Vdc
Vdc
Vdc
Vdc
mV
mV
mA
mA
mΩ
mV
mV
mA
mA
dB
A
A
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