mc7805ac Freescale Semiconductor, Inc, mc7805ac Datasheet - Page 4
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mc7805ac
Manufacturer Part Number
mc7805ac
Description
Three Terminal Positive Fixed Voltage Regulators
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC7805AC.pdf
(16 pages)
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ELECTRICAL CHARACTERISTICS (continued)
NOTES: 1. T low = –40 C for MC78XXAC, C, LM340AT–XX, LM340T–XX
ELECTRICAL CHARACTERISTICS
NOTES: 1. T low = –40 C for MC78XXAC, C
4
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 (T J = 25 C)
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
10 Hz
V in = 35 Vdc
8.0 Vdc
9.0 Vdc
8.0 Vdc
9.0 Vdc
5.0 mA
8.0 Vdc
5.0 mA
9.0 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
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.
separately. Pulse testing with low duty cycle is used.
f
f
I O
I O
V in
V in
V in
V in
V in
V in
100 kHz
100 kHz
1.5 A
1.0 A
21 Vdc
21 Vdc
25 Vdc
13 Vdc
25 Vdc
19 Vdc, f = 120 Hz
I O
Characteristic
Characteristic
1.0 A, P D
MC7800, MC7800A, LM340, LM340A Series
(V in = 11 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 = 10 V, I O = 1.0 A, T J = T low to T high [Note 1], unless otherwise noted.)
T high = +125 C for MC78XXAC, C, LM340AT–XX, LM340T–XX
Reg load
Symbol
Symbol
Reg line
V I – V O
TCV O
TCV O
I max
I max
I SC
I SC
V O
V O
∆I B
RR
V n
r O
V n
r O
I B
MOTOROLA ANALOG IC DEVICE DATA
5.75
Min
Min
5.7
58
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
MC7805AC/LM340AT–5
MC7806C
–0.3
0.08
–0.3
Typ
Typ
0.9
0.2
2.2
6.0
6.0
0.5
0.8
1.3
3.3
0.3
2.0
0.9
0.2
2.2
10
65
10
–
Max
Max
6.25
6.3
8.0
1.3
0.5
24
12
30
–
–
–
–
–
–
–
–
–
–
–
–
–
µV/V O
µV/V O
mV/ C
mV/ C
Unit
Unit
Vdc
Vdc
Vdc
mΩ
mV
mV
mA
mA
mΩ
dB
A
A
A
A