mc7805ac Freescale Semiconductor, Inc, mc7805ac Datasheet - Page 8

• 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, LM340AT–XX, LM340T–XX
8
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
10 Hz
V in = 35 Vdc
14.8 Vdc
14.8 Vdc
16 Vdc
14.5 Vdc
5.0 mA
5.0 mA
15 Vdc
14.8 Vdc
5.0 mA
15 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
I O
I O
I O
V in
V in
V in
V in
100 kHz
100 kHz
1.5 A, T J = 25 C
1.0 A
1.0 A, T J = 25 C
22 Vdc, I O = 1.0 A
30 Vdc, I O = 500 mA
25 Vdc, f = 120 Hz, I O = 500 mA
27 Vdc
30 Vdc, I O = 500 mA
27 Vdc, T J = 25 C
27 Vdc, T J = 25 C
I O
Characteristic
Characteristic
1.0 A, P D
MC7800, MC7800A, LM340, LM340A Series
(V in = 19 V, I O = 1.0 A, T J = T low to T high [Note 1], unless otherwise noted.)
15 W)
(V in = 19 V, I O = 500 mA, 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
11.75
11.5
Min
Min
55
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
MC7812AC/LM340AT–12
MC7812C/LM340T–12
–0.8
–0.8
Typ
Typ
1.1
0.2
2.2
3.8
2.2
6.0
3.4
2.0
1.1
0.2
2.2
10
12
12
60
10
–
–
–
–
–
12.25
Max
Max
12.5
120
6.0
0.8
0.8
0.5
18
20
25
25
–
–
–
–
–
–
–
–
–
–
–
–
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