MC7905
THRU
MC7924
Three-Terminal
Positive Voltage
Regulators
Features
Output current in excess of 1.0 Ampere
No external components required
Internal thermal overload protection
Internal short-circuit current limiting
Output voltage offered in 2% tolerance
Maximum Ratings @ TA=25OC, Unless Otherwise Noted
Parameter
Symbol
Value
Unit
Input Voltage
V1
30
V
Operating Ambient Temperature
PD
15
W
Operating Junction Temperature
TOPR
-20---+75
oC
Storage Temperature Range
TSTG
-55---+125
oC
MC7905
Electrical Characteristics (Vi=10V, Io=500mA, OoC<Tj<125oC,
Ci=2.0uF, Co=1.0uF, Unless Otherwise Specified)
Parameter
Sym
Min
Typ
Max
Test conditions
4.9V
5.0V
5.1V
Tj=25
oC
Output
Voltage
V0
4.85V
5.15V
7V
≦V1≦20V,
5mA
≦IO≦1.0A,
PD=15W
10mV
100mV
5mA
≦IO≦1.5A,
Tj=25
oC,
Load
Regulation
△Vo
3.0mV
50mV
250mA
≦IO≦750mA,
Tj=25
oC
Line
regulation
△Vo
3.0mV
1.0mV
100mV
50mV
7V
≦V1≦25V, Tj=25
oC
8V
≦V1≦12V, Tj=25
oC
Quiescent
Current
Iq
2.0mA
4.0mA
Tj=25
oC, I
O=0
Quiescent
Current
Change
△Iq
1.3mA
0.5mA
7V
≦V1≦25V
5mA
≦Io≦1.0A
Output Noise
Voltage
VN
40
V
f=120Hz
Ripple
Rejection
RR
62dB
74dB
8V
≦V1≦18V
f=120Hz, Tj=25
oC
Dropout
Voltage
Vd
1.1V
IO=1.0A, Tj=25
oC
Peak Output
Current
Iopeak
2.1A
Tj=25
oC
Temperature
Coefficient of
Output
voltage
△VO/
△Tj
0.4mV/
oC
0
oC≦Tj≦125 oC,
IO=5mA
omponents
20736 Marilla
Street Chatsworth
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MCC
www.mccsemi.com
Revision: 1
2003/04/17
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