mc7805ac Freescale Semiconductor, Inc, mc7805ac Datasheet - Page 10

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

ELECTRICAL CHARACTERISTICS (continued)
ELECTRICAL CHARACTERISTICS
NOTES: 1. T low = –40 C for MC78XXAC, C
10
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
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
18.5 Vdc
10 Hz
V in = 35 Vdc
21 Vdc
21 Vdc
24 Vdc
5.0 mA
21 Vdc
5.0 mA
22 Vdc
10 Hz
V in = 35 Vdc
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
f
V in
V in
V in
V in
V in
I O
I O
V in
100 kHz
100 kHz
1.5 A
1.0 A
33 Vdc
33 Vdc
30 Vdc
33 Vdc
33 Vdc, f = 120 Hz
28.5 Vdc, f = 120 Hz, I O = 500 mA
I O
Characteristic
Characteristic
1.0 A, P D
MC7800, MC7800A, LM340, LM340A Series
(V in = 27 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)
(V in = 23 V, I O = 1.0 A, T J = T low to T high [Note 1], unless otherwise noted.)
Reg load
V iI – V O
Symbol
Symbol
V I – V O
Reg line
TCV O
TCV O
I max
I max
I SC
I SC
RR
V O
V O
∆I B
RR
V n
r O
V n
r O
I B
MOTOROLA ANALOG IC DEVICE DATA
17.3
17.1
Min
Min
60
53
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
MC7815AC/LM340AT–15
MC7818C
–1.0
–1.5
Typ
Typ
2.0
1.2
0.2
2.2
9.5
3.2
2.0
3.5
2.0
1.3
0.2
2.2
80
10
18
18
57
10
–
–
Max
Max
18.7
18.9
6.5
1.0
0.5
50
25
55
–
–
–
–
–
–
–
–
–
–
–
–
–
–
µV/V O
µV/V O
mV/ C
mV/ C
Unit
Unit
Vdc
Vdc
Vdc
Vdc
mΩ
mV
mV
mA
mA
mΩ
dB
dB
A
A
A
A