ChipFind - документация

Электронный компонент: LM7812

Скачать:  PDF   ZIP

Bay Linear, Inc
2478 Armstrong Street, Livermore, CA 94550 Tel: (925) 606-5950, Fax: (925) 940-9556 www.baylinear.com


1.5A Positive Voltage Regulator
LM78XX























Packaging Information
Ordering Information

Device Operating
Voltage
Temp.
LM7805
7 to 20
0 to 125
C
LM7806
8 to 20
0 to 125
C
LM7808
10.5 to 23
0 to 125
C
LM7809
11.5 to 24
0 to 125
C
LM7810
12.5 to 25
0 to 125
C
LM7812
14.5 to 27
0 to 125
C
LM7815
17.5 to 30
0 to 125
C
LM7818
20.5 to 33
0 to 125
C
LM7824
26.5 to 39
0 to 125
C
Description

The Bay Linear LM78XX is integrated linear positive
regulator with three terminals. The LM78XX offer several
fixed output voltages making them useful in wide range of
applications. When used as a zener diode/resistor combination
replacement, the LM78XX usually results in an effective
output impedance improvement of two orders of magnitude,
lower quiescent current.

The LM78XX is available in the TO-252, TO-220 & TO-263
packages,
Features
Output Current of 1.5A
Output Voltage Tolerance of 5%
Internal thermal overload protection
Internal Short-Circuit Limited
No External Component
Output Voltage 5.0V, 6V, 8V, 9V, 10V,
12V, 15V, 18V, 24V
Offer in plastic TO-252, TO-220 & TO-263
Direct Replacement for LM78XX
Applications
Post regulator for switching DC/DC
converter
Bias supply for analog circuits


Bay Linear
Inspire the Linear Power
TO-220 (T)
TO-263 (S)
TO-252 (D)
Top View
TO-263-3 (
1
Bay Linear
2
3
Top View
TO-263-3 (S)
1
Bay Linear
2
3
Top View
TO-263-3 (
1
Bay Linear
2
3
Top View
TO-263-3 (S)
1
Bay Linear
2
3
1. Input
2. GND
3. Output

Bay Linear, Inc
2478 Armstrong Street, Livermore, CA 94550 Tel: (925) 606-5950, Fax: (925) 940-9556 www.baylinear.com
LM78XX

Absolute Maximum Rating
Parameter LM78--
Unit
Input Voltage LM7824, LM7827
All Others
40
35
V
Operating Free-Air, Case, Virtual Junction Temp.
0 to 150
Storage Temperature Range
-65 to 150
Lead temperature 1.6 mm from case for sec.
260
C


Electrical Characteristics (LM7805)
(V
I
=10V, I
O
=500mA, 0
C T
J
125 C, unless otherwise specified. (Note 1)

Parameter Symbol
Conditions
MIN
TYP
MAX
UNIT
Output Voltage
V
O
T
J
= 25
C
4.8 5.0 5.2 V
V
I
= 7V to 25V T
J
= 25
C
3
100
Line Regulation
V
O
V
I
= 8V to 12V T
J
= 25
C
1
50
mV
I
O
= 5mA to 1.5A, 25
C
15
100
Load Regulation
V
O
I
O
= 250mA to 750mA, 25
C
5
50
mV
Ripple Rejection
RR
V
I
= 8V to 18V, f=120Hz
62
78
dB
Output Noise Voltage
V
N
F= 10Hz to 100Hz T
J
= 25
C
40
V
Dropout Voltage
V
D
T
J
= 25
C
2.0 V
Quiescent Current
T
J
= 25
C
4.2 8 mA
V
I
= 7V to 25V, T
J
= 25
C
1.3
Quiescent Current
Change
I
Q
I
O
= 5mA to 1A, T
J
= 25
C
0.5
mA



Electrical Characteristics (LM7806)
(V
I
=11V, I
O
=500mA, 0
C T
J
125 C, unless otherwise specified. (Note 1)

Parameter Symbol
Conditions
MIN
TYP
MAX
UNIT
Output Voltage
V
O
T
J
= 25
C
5.75 6.0 6.25 V
V
I
= 8V to 25V T
J
= 25
C
5
120
Line Regulation
V
O
V
I
= 9V to 25V T
J
= 25
C
1.5
60
mV
I
O
= 5mA to 1.5A, 25
C
14
120
Load Regulation
V
O
I
O
= 250mA to 750mA, 25
C
4
60
mV
Ripple Rejection
RR
V
I
= 9V to 19V, f=120Hz
59
75
dB
Output Noise Voltage
V
N
F= 10Hz to 100Hz T
J
= 25
C
45
V
Dropout Voltage
V
D
T
J
= 25
C
2.0 V
Quiescent Current
T
J
= 25
C
4.3
8.0
mA
V
I
= 8V to 25V, T
J
= 25
C
1.3
Quiescent Current
Change
I
Q
I
O
= 5mA to 1A, T
J
= 25
C
0.5
mA



Bay Linear, Inc
2478 Armstrong Street, Livermore, CA 94550 Tel: (925) 606-5950, Fax: (925) 940-9556 www.baylinear.com
LM78XX



Electrical Characteristics (LM7808)
(V
I
=14V, I
O
=500mA, 0
C T
J
125 C, unless otherwise specified. (Note 1)

Parameter Symbol
Conditions
MIN
TYP
MAX
UNIT
Output Voltage
V
O
T
J
= 25
C
7.7 8.0 8.3 V
V
I
= 10.5V to 25V T
J
= 25
C
6
160
Line Regulation
V
O
V
I
= 11V to 17V T
J
= 25
C
2
80
mV
I
O
= 5mA to 1.5A, 25
C
12
160
Load Regulation
V
O
I
O
= 250mA to 750mA, 25
C
4
80
mV
Ripple Rejection
RR
V
I
= 11.5V to 21.5V, f=120Hz
55
72
dB
Output Noise Voltage
V
N
F= 10Hz to 100Hz T
J
= 25
C
52
V
Dropout Voltage
V
D
T
J
= 25
C
2.0 V
Quiescent Current
T
J
= 25
C
4.3 8 mA
V
I
= 10.5V to 25V, T
J
= 25
C
1
Quiescent Current
Change
I
Q
I
O
= 5mA to 1A, T
J
= 25
C
0.5
mA



Electrical Characteristics (LM7809)
(V
I
=16V, I
O
=500mA, 0
C T
J
125 C, unless otherwise specified. (Note 1)

Parameter Symbol
Conditions
MIN
TYP
MAX
UNIT
Output Voltage
V
O
T
J
= 25
C
8.6 9.0 9.40 V
V
I
= 11.5V to 27V T
J
= 25
C
7
180
Line Regulation
V
O
V
I
= 13V to 19V T
J
= 25
C
2
90
mV
I
O
= 5mA to 1.5A, 25
C
12
180
Load Regulation
V
O
I
O
= 250mA to 750mA, 25
C
4
90
mV
Ripple Rejection
RR
V
I
= 12V to 19V, f=120Hz
55
70
dB
Output Noise Voltage
V
N
F= 10Hz to 100Hz TJ
= 25
C
60
V
Dropout Voltage
V
D
T
J
= 25
C
2.0 V
Quiescent Current
T
J
= 25
C
4.3 8 mA
V
I
= 11.5V to 27V, T
J
= 25
C
1.0
Quiescent Current
Change
I
Q
I
O
= 5mA to 1A, T
J
= 25
C
0.5
mA





Bay Linear, Inc
2478 Armstrong Street, Livermore, CA 94550 Tel: (925) 606-5950, Fax: (925) 940-9556 www.baylinear.com
LM78XX





Electrical Characteristics (LM7810)
(V
I
=17V, I
O
=500mA, 0
C T
J
125 C, , unless otherwise specified. (Note 1)

Parameter Symbol
Conditions
MIN
TYP
MAX
UNIT
Output Voltage
V
O
T
J
= 25
C
9.6 10 10.4 V
V
I
= 12.5V to 28V T
J
= 25
C
7
200
Line Regulation
V
O
V
I
= 14V to 20V T
J
= 25
C
2
100
mV
I
O
= 5mA to 1.5A, 25
C
12
200
Load Regulation
V
O
I
O
= 250mA to 750mA, 25
C
4
100
mV
Ripple Rejection
RR
V
I
= 13V to 23V, f=120Hz
55
71
dB
Output Noise Voltage
V
N
F= 10Hz to 100Hz TJ
= 25
C
70
V
Dropout Voltage
V
D
T
J
= 25
C
2.0 V
Quiescent Current
T
J
= 25
C
4.3 8 mA
V
I
= 12.5V to 28V, T
J
= 25
C
1.0
Quiescent Current
Change
I
Q
I
O
= 5mA to 1A, T
J
= 25
C
0.5
mA




Electrical Characteristics (LM7812)
(V
I
=19V, I
O
=500mA, 0
C T
J
125 C, unless otherwise specified. (Note 1)

Parameter Symbol
Conditions
MIN
TYP
MAX
UNIT
Output Voltage
V
O
T
J
= 25
C
11.50 12 12.5 V
V
I
= 14.5V to 30V T
J
= 25
C
10
240
Line Regulation
V
O
V
I
= 16V to 22V T
J
= 25
C
3.0
120
mV
I
O
= 5mA to 1.5A, 25
C
12
240
Load Regulation
V
O
I
O
= 250mA to 750mA, 25
C
4
120
mV
Ripple Rejection
RR
V
I
= 15V to 25V, f=120Hz
55
71
dB
Output Noise Voltage
V
N
F= 10Hz to 100Hz TJ
= 25
C
75
V
Dropout Voltage
V
D
T
J
= 25
C
2.0 V
Quiescent Current
T
J
= 25
C
4.3
8.0
mA
V
I
= 14.5V to 30V, T
J
= 25
C
1.0
Quiescent Current
Change
I
Q
I
O
= 5mA to 1A, T
J
= 25
C
0.5
mA

Bay Linear, Inc
2478 Armstrong Street, Livermore, CA 94550 Tel: (925) 606-5950, Fax: (925) 940-9556 www.baylinear.com
LM78XX


Electrical Characteristics (LM7815)
(V
I
=23V, I
O
=500mA, 0
C T
J
125 C, unless otherwise specified. (Note 1)

Parameter Symbol
Conditions
MIN
TYP
MAX
UNIT
Output Voltage
V
O
T
J
= 25
C
14.40 15 15.60 V
V
I
= 17.5V to 30V T
J
= 25
C
12
300
Line Regulation
V
O
V
I
= 20V to 26V T
J
= 25
C
3
150
mV
I
O
= 5mA to 1.5A, 25
C
12
300
Load Regulation
V
O
I
O
= 250mA to 750mA, 25
C
4
150
mV
Ripple Rejection
RR
V
I
= 18.5V to 28.5V, f=120Hz
54
70
dB
Output Noise Voltage
V
N
F= 10Hz to 100Hz TJ
= 25
C
90
V
Dropout Voltage
V
D
T
J
= 25
C
2.0 V
Quiescent Current
T
J
= 25
C
4.3
8.0
mA
V
I
= 17.5V to 30V, T
J
= 25
C
1.0
Quiescent Current
Change
I
Q
I
O
= 5mA to 1A, T
J
= 25
C
0.5
mA




Electrical Characteristics (LM7818)
(V
I
=27V, I
O
=500mA, 0
C T
J
125 C, unless otherwise specified. (Note 1)

Parameter Symbol
Conditions
MIN
TYP
MAX
UNIT
Output Voltage
V
O
T
J
= 25
C
17.30 18 18.7 V
V
I
= 21V to 33V T
J
= 25
C
15
360
Line Regulation
V
O
V
I
= 24V to 33V T
J
= 25
C
5
180
mV
I
O
= 5mA to 1.5A, 25
C
12
360
Load Regulation
V
O
I
O
= 250mA to 750mA, 25
C
4
180
mV
Ripple Rejection
RR
V
I
= 22V to 32V, f=120Hz
53
69
dB
Output Noise Voltage
V
N
F= 10Hz to 100Hz TJ
= 25
C
110
V
Dropout Voltage
V
D
T
J
= 25
C
2.0 V
Quiescent Current
T
J
= 25
C
4.5
8.0
mA
V
I
= 21V to 33V, T
J
= 25
C
1.0
Quiescent Current
Change
I
Q
I
O
= 5mA to 1A, T
J
= 25
C
0.5
mA