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PDF T7815CT Data sheet ( Hoja de datos )
| Número de pieza | T7815CT | |
| Descripción | PRECISION 1A REGULATORS | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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L7800AB/AC
SERIES
PRECISION 1A REGULATORS
s OUTPUT CURRENT IN EXCESS OF 1A
s OUTPUT VOLTAGES OF 5; 6; 8; 9; 12; 15;
18; 20; 24V
s THERMAL OVERLOAD PROTECTION
s OUTPUT TRANSITION SOA PROTECTION
s 2% OUTPUT VOLTAGE TOLERANCE
s GUARANTEED IN EXTENDED
TEMPERATURE RANGE
DESCRIPTION
The L7800A series of three terminal positive
regulators is available in TO-220, TO-220FP,
TO-220FM and D2PAK packages and several
fixed output voltages, making it useful in a wide
range of applications. These regulators can
provide local on-card regulation, eliminating the
distribution problem associated with single point
regulation. Each type employs internal current
limiting, thermal shut-down and safe area
protection, making it essentially indestructible. If
adequate heat sinking is provided, they can
deliver over 1A output current, Although designed
primarily as fixed voltage regulators, these
TO-220
TO-220FP
TO-220FM
D2PAK
devices can be used with external components to
obtain adjustable voltage and currents.
SCHEMATIC DIAGRAM
March 2004
1/21
Free Datasheet http://www.datasheet4u.net/
1 page  
L7800AB/AC SERIES
ELECTRICAL CHARACTERISTICS OF L7805A (VI=10V, IO=1A, TJ = 0 to 150°C (L7805AC),
TJ = -40 to 125°C (L7805AB), unless otherwise specified.)
Symbol
Parameter
Test Conditions
Min. Typ. Max.
VO Output Voltage
VO Output Voltage
∆VO (*) Line Regulation
∆VO(*) Load Regulation
Iq Quiescent Current
TJ = 25°C
IO = 5mA to 1A
VI = 7.5 to 20V
PO ≤ 15W
VI = 7.5 to 25V IO = 500 mA
VI = 8 to 12V
VI = 8 to 12V
TJ = 25°C
VI = 7.3 to 20V TJ = 25°C
IO = 5mA to 1A
IO = 5mA to 1.5A TJ = 25°C
IO = 250 to 750mA
TJ = 25°C
∆Iq Quiescent Current Change
SVR Supply Voltage Rejection
Vd Dropout Voltage
eN Output Noise Voltage
RO
Isc
Iscp
∆VO/∆T
Output Resistance
Short Circuit Current
Short Circuit Peak Current
Output Voltage Drift
VI = 8 to 25V
IO = 500 mA
VI = 7.5 to 20V TJ = 25°C
IO = 5mA to 1A
VI = 8 to 18V
IO = 500mA
f = 120Hz
IO = 1A
TJ = 25°C
TA = 25°C B =10Hz to 100KHz
f =1KHz
VI = 35V
TJ = 25°C
TA = 25°C
4.9 5 5.1
4.8 5 5.2
7 50
10 50
2 25
7 50
25 100
30 100
8 50
4.3 6
6
0.8
0.8
0.5
68
2
10
17
0.2
2.2
-1.1
Unit
V
V
mV
mV
mV
mV
mV
V
V
mA
mA
mA
mA
mA
dB
V
µV/VO
mΩ
A
A
mv/°C
(*) Load and Line Regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account
separately. Pulse testing with low duty cycle is used.
5/21
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5 Page 
L7800AB/AC SERIES
ELECTRICAL CHARACTERISTICS OF L7818A (VI=27V, IO=1A, TJ = 0 to 150°C (L7818AC),
TJ = -40 to 125°C (L7818AB), unless otherwise specified.)
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
VO Output Voltage
VO Output Voltage
∆VO (*) Line Regulation
∆VO(*) Load Regulation
Iq Quiescent Current
TJ = 25°C
IO = 5mA to 1A
VI = 21 to 33V
PO ≤ 15W
VI = 21 to 33V
IO = 500 mA
VI = 24 to 30V
VI = 24 to 30V
TJ = 25°C
VI = 20.6 to 33V TJ = 25°C
IO = 5mA to 1A
IO = 5mA to 1.5A TJ = 25°C
IO = 250 to 750mA
TJ = 25°C
∆Iq Quiescent Current Change
SVR Supply Voltage Rejection
Vd Dropout Voltage
eN Output Noise Voltage
RO
Isc
Iscp
∆VO/∆T
Output Resistance
Short Circuit Current
Short Circuit Peak Current
Output Voltage Drift
VI = 21 to 33V
IO = 500 mA
VI = 21 to 33V
TJ = 25°C
IO = 5mA to 1A
VI = 22 to 32V
IO = 500mA
f = 120Hz
IO =1 A
TJ = 25°C
TA = 25°C B =10Hz to 100KHz
f =1KHz
VI = 35V
TJ = 25°C
TA = 25°C
17.64 18 18.36
17.3 18 18.7
V
V
25 180 mV
28 180 mV
10 90 mV
5 180 mV
25 100 mV
30 100
V
10 50
V
4.5 6 mA
6 mA
0.8 mA
0.8 mA
0.5 mA
57 dB
2V
10 µV/VO
19 mΩ
0.2 A
2.2 A
-1 mV/°C
(*) Load and Line Regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account
separately. Pulse testing with low duty cycle is used.
11/21
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11 Page | ||
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