mc7805ac Freescale Semiconductor, Inc, mc7805ac Datasheet - Page 7

• 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, LM340AT–XX, LM340T–XX
MOTOROLA ANALOG IC DEVICE DATA
Output Voltage (T J = 25 C)
Output Voltage (5.0 mA
Line Regulation, T J = 25 C (Note 2)
Load Regulation, T J = 25 C (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, T J = 25 C (Note 2)
Load Regulation, T J = 25 C (Note 2)
Quiescent Current
Quiescent Current Change
Ripple Rejection
Dropout Voltage (I O = 1.0 A, T J = 25 C)
11.5 Vdc
11 Vdc
11.5 Vdc
5.0 mA
11.5 Vdc
5.0 mA
11.5 Vdc
10 Hz
V in = 35 Vdc
14.5 Vdc
14.5 Vdc
16 Vdc
14.8 Vdc
5.0 mA
14.5 Vdc
15 Vdc
5.0 mA
15 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
V in
V in
V in
V in
I O
I O
I O
I O
V in
V in
V in
V in
V in
V in
V in
V in
100 kHz
1.5 A
1.0 A
1.5 A
1.0 A
26 Vdc
22 Vdc
30 Vdc
25 Vdc, f = 120 Hz
24 Vdc
17 Vdc
26 Vdc
21.5 Vdc, f = 120 Hz
27 Vdc
30 Vdc
27 Vdc, I O = 1.0 A
30 Vdc, I O = 1.0 A, 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 = 15 V, I O = 500 mA, T J = T low to T high [Note 1], unless otherwise noted.)
(V in = 19 V, I O = 500 mA, T J = T low to T high [Note 1], unless otherwise noted.)
15 W)
15 W)
T high = +125 C for MC78XXAC, C, LM340AT–XX, LM340T–XX
Reg load
Reg load
Symbol
Symbol
Reg line
V I – V O
Reg line
V I – V O
TCV O
I max
I SC
V O
V O
∆I B
RR
V O
V O
∆I B
RR
V n
r O
I B
I B
8.65
8.55
11.5
11.4
Min
Min
56
55
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
MC7812C/LM340T–12
MC7809CT
–0.5
Typ
Typ
9.0
9.0
6.2
1.8
1.5
3.4
2.0
1.0
0.2
2.2
3.8
0.3
8.1
3.4
2.0
61
10
12
12
60
–
–
–
–
–
–
Max
9.35
9.45
Max
12.5
12.6
8.0
1.0
0.5
6.5
0.7
0.8
0.5
32
16
35
24
24
48
60
–
–
–
–
–
–
–
–
–
µV/V O
mV/ C
Unit
Unit
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
mV
mV
mA
mA
mΩ
mV
mV
mA
mA
dB
dB
A
A
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