mc7805ac Freescale Semiconductor, Inc, mc7805ac Datasheet - Page 12

• 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
12
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
28 Vdc
10 Hz
V in = 35 Vdc
27.3 Vdc
27 Vdc
30 Vdc
30 Vdc
26.7 Vdc
5.0 mA
5.0 mA
250 mA
27.3 Vdc
27 Vdc
5.0 mA
28 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
V in
I O
I O
I O
I O
V in
V in
V in
100 kHz
100 kHz
1.5 A, T J = 25 C
1.0 A
1.0 A
38 Vdc, f = 120 Hz
38 Vdc, I O = 500 mA
36 Vdc, I O = 1.0 A
36 Vdc, T J = 25 C
750 mA
38 Vdc, T J = 25 C
38 Vdc, f = 120 Hz, I O = 500 mA
38 Vdc
38 Vdc, I O = 1.0 A, T J = 25 C
38 Vdc, I O = 500 mA
I O
Characteristic
Characteristic
1.0 A, P D
MC7800, MC7800A, LM340, LM340A Series
(continued) (V in = 33 V, I O = 500 mA, T J = T low to T high [Note 1], unless otherwise noted.)
(V in = 33 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
15 W)
Reg load
Symbol
Symbol
V I – V O
Reg line
V I – V O
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
23.5
23.2
Min
Min
50
45
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
MC7824AC
MC7824C
–2.0
11.5
–2.0
Typ
Typ
2.0
1.4
0.2
2.2
3.8
3.8
2.1
2.0
1.8
3.6
2.0
1.4
0.2
2.2
54
10
24
24
10
54
10
–
–
–
Max
Max
24.5
25.8
6.0
0.8
0.8
0.5
25
28
12
25
15
25
15
–
–
–
–
–
–
–
–
–
–
–
–
–
–
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