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Электронный компонент: IL78L12

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IL78LXX
1
T
HREE
-T
ERMINAL
L
OW
C
URRENT
P
OSITIVE
V
OLTAGE
R
EGULATORS

The IL78LXX, A Series of positive voltage regulators are
inexpensive, easy-to-use devices suitable for a multitude of
applications that require a regulated supply of up to 100 mA. These
regulators feature internal current limiting and thermal shutdown
making them remarkably rugged. No external components are
required with the IL78LXX devices in many applications.
These devices offer a substantial performance advantage over the
traditional zener diode-resistor combination, as output impedance and
quiescent current are substantially reduced.
TO-226AA /
TO-92
Pin 1. Output
2.Ground
3.Input
F
EATURES
Wide Range of Available, Fixed Output Voltages
Low Cost
Internal Short Circuit Current Limiting
Internal Thermal Overload Protection
No External Components Required
Complementary Negative Regulators Offered
(IL79LXX Series)
Available in either 5% (AC) or 10% (C)
Selections
o
**
0.1
F
in
*
0.33
F
Vout
Vin
I L78LXX
Standard application

A common ground is required between the input
and the output voltages. The input voltage must
remaintypically 2.0 V above the output voltage even
during the low point on the input ripple voltage.
*C in is required if regulator is located an
*
appreciable distance from power supply filter.
**C O is not needed for stability; however, it does
*
improve transient response.

A
BSOLUTE MAXIMUM RATINGS
Rating Symbol
Value
Unit
Input Voltage (2.6 V-8.0 V)
(12V-18V)
(24V)
V
l
30
35
40
Vdc
Storage Temperature Range
Tstg
-65 to +150
C
Operating Junction Temperature Range
TJ
010+150
C
IL78LXX
2

IL78L05
ELECTRICAL CHARACTERISTICS
(V
l
=10 V, Io= 40 mA, C
l
= 0.33
F, Co
= 0.1
F, -40C <
T
J
< +125C unless otherwise noted.)
Characteristics Symbol
Min
Typ
Max
Unit
Output Voltage (
T
J
=+25C)
V
O
4.6
5.0
5.4
Vdc
Line Regulation
(T
J
= +25
C, Io
=40 mA)
7.0
Vdc
Vi 20 Vdc
7.1
8.0 Vdc
Vi 20 Vdc
Reg
line


-
-


55
45


200
150
mV
Load Regulation
(T
J
= +25
C, 1.0 mA I
O
100 mA)
(T
J
= +25
C, 1.0mA Io 40 mA)
Peg
load

-
-

11
5.0

60
30
mV
Output Voltage
(7.0
VdcVi20Vdc, 1.0 mAIo40 mA) (Vi=10
V, 1.0 mA
Io70 mA)
V
O

4.5
4.5

-
-

5.5
5.5
Vdc
Input Bias Current
(T
J
= +25
C)
(T
J
=+125
C)
I
IB

-
-

3.8
-

6.0
5.5
mA
Input Bias Current Change
(8.0
Vdc
Vi20 Vdc)
(1.0 mA
Io40 mA)
I
IB

-
-

-
-

1.5
0.2
mA
Output Noise Voltage
(T
A
=+25
C, 10 Hzf100 kHz)
Vn -
40
-
V
Ripple Rejection (I
O
= 40 mA, f= 120 Hz, 8.0
Vdc
Vi18 V, T
J
=
+25
C)
RR 40
49
-
dB
Dropout Voltage (T
J
= +25
C)
Vi-Vo -
1.7
-
Vdc

IL78L08
ELECTRICAL CHARACTERISTICS
(Vi=14V, Io
=40mA, Ci=0,33
F, Co=0,1F, -40C<T
J
< +125C), unless otherwise noted.)
Characteristics Symbol
Min
Typ
Max
Unit
Output Voltage (T
J
= +25
C)
V
O
7.36
8.0
8.64
Vdc
Line Regulation
(T
J
= +25
C, Io
= 40 mA) 10.5Vdc
Vi23Vdc
11 Vdc
Vi 23 Vdc
Reg
line


-
-


20
12


200
150
mV
Load Regulation
(
TJ
= +25
C, 1.0 mA Io
100 mA)
(
TJ
= +25
C, 1.0 mA Io 40 mA)
Peg
load

-
-

15
6.0

80
40
mV
Output Voltage
(10.5
VdcVi23Vdc, 1.0 mA Io40 mA) (Vi
=14V, 1.0 mA
Io70 mA)
V
O

7.2
7.2

-
-

8.8
8.8
Vdc
Input Bias Current
(
TJ
= +25
C)
(
TJ
= +125
C)
I
IB

-
-

3.0

6.0
5.5
mA
Input Bias Current Change
(11 Vdc
Vi 23 Vdc)
(1.0 mA
Io 40 mA)
I
IB

-
-

-
-

1.5
0.2
mA
Output Noise Voltage (
TA
= +25C, 10 Hz 5
15100 kHz)
Vn -
52
-
nV
Ripple Rejection (
IQ
= 40 mA, 1 s 120 Hz, 12 V 5
V[ < 23 V,
TJ
= +25C)
RR 36
55
-
dB
Dropout Voltage (
TJ
+25C)
Vl-VQ
-
1.7
-
Vdc
IL78LXX
3
IL78L09
ELECTRICAL CHARACTERISTICS
(Vi=15V, Io=40mA,Ci=0.33
F,Co=0.1F,-40C<Tj<+125C, unless otherwise noted.)
Characteristics Symbol
Min
Typ
Max
Unit
Output Voltage (T
J
= +25
C)
Vo
8.3 9.0 9.7 Vdc
Line Regulation
(T
J
= +25
C, Io
= 40 mA)
11.5Vdc
Vi 24Vdc
12Vdc
Vi< 24Vdc
Reg
line


-
-


20
12


200
150
mV
Load Regulation
(T
J
=. +25
C, 1.0 mA Io
100 mA)
(T
J
= +25
C, 1.0 mA Io
40 mA)
Reaload
-
-

15
6.0

90
40
mV
Output Voltage
(11.5Vdc
Vi24Vdc, 1.0 mA < Io 40mA) (Vi=
15V, 1.0 mA
Io 70 mA)
Vo
8.1
8.1

-
-

9.9
9.9
Vdc
Input Bias Current
(T
J
= +25
C)
(T
J
= +125
C)
I
IB

-
-

3.0
-

6.0
5.5
mA
Input Bias Current Change
(11 Vdc
Vi 23 Vdc)
(1.0mA
Io 40mA)
I
IB

-
-

-
-

1.5
0.2
mA
Output Noise Voltage
(T
A
= +25
C, 10 Hz f 100 kHz)
Vn -
52
-
V
Ripple Rejection (I
O
= 40 mA,
f= 120 Hz, 13V
Vi 24 V, T
J
=+25
C)
RR 36
55
-
dB
Dropout Voltage
(T
J
= +25
C)
Vi-Vo - 1.7
-
Vdc

IL78L12
ELECTRICAL CHARACTERISTICS
(Vi =19 V, Io =40 mA, Ci = 0.33
F, Co = 0.1 F, -40C < T
J
< +125C, unless otherwise noted.)
Characteristics Symbol
Min
Typ
Max
Unit
Output Voltage (T
J
= +25
C)
Vo 11.1
12
12.9
Vdc
Line Regulation
(
TJ
= +25C.
IQ
= 40 mA)
14.5Vdc
Vi 27Vdc
16 Vdc
Vi 27 Vdc
Reg
line


-
-


120
100


250
200
mV
Load Regulation
(T
J
=
+25
C,
1.0 mA
Io
100 mA)
(T
J
=
+25
C,
1.0
mA
Io
40 mA)
Peg
load

-
-

20
10

100
50
mV
Output Voltage
(14.5Vdc
Vi 27Vdc, 1.0mAIo 40mA) (Vi =
19V, 1.0mA <Io
70mA)
Vo
10.8 10.8

-
-

13.2
13.2
Vdc
Input Bias Current
(T
J
= +25
C)
(T
J
=
+125
C)
I
IB

-
-

4.2
-

6.5
6.0
mA
Input Bias Current Change
(16Vdc
Vi 27Vdc)
(1.0 mA
Io 40 mA)
I
IB

-
-

-
-

1.5
0.2
mA
Output Noise Voltage
(T
A
= +25
C, 10Hz f 100 kHz)
Vn -
80
-
pV
Ripple Rejection (I
O
= 40 mA,
f= 120 Hz, 15V
Vi 25V,T
J
=+25
C)
RR 36
42
-
dB
Dropout Voltage
(T
J
= +25
C)
Vi-Vo "
1.7
-
Vdc
IL78LXX
4
IL78L15
ELECTRICAL CHARACTERISTICS
(Vi = 23 V, Io
= 40 mA, Ci = 0.33
F, Co= 0.1 F, -40C < T
J
< +125C unless otherwise noted.)
Characteristics Symbol
Min
Typ
Max
Unit
Output Voltage (T
J
= +25
C)
Vo 13.8
15
16.2
Vdc
Line Regulation
(T
J
= +25
C, Io
= 40mA)
17.5Vdc
Vi 30Vdc
20Vdc
Vi 30Vdc
Reg
line


-
-


130
110


300
250
mV
Load Regulation
(T
J
=
+25
C,
1.0
mA
Io
100 mA)
(T
J
= +25
C, 1.0 mA Io < 40 mA)
Peg
load

-
-

25
12

150
75
mV
Output Voltage
(17.5Vdc
Vi 30Vdc, 1.0 mAIo 40 mA) (Vi =
23V, 1.0mA
Io 70 mA)
Vo
13.5 13.5

-
-

16.5
16.5
Vdc
Input Bias Current
(T
J
= +25
C)
(T
J
=
+125
C)
I
IB

-
-

4.4
-

6.5
6.0
mA
Input Bias Current Change
(20Vdc
Vi 30Vdc)
(1.0mA
Io 40 mA)
I
IB

-
-

-
-

1.5
0.2
mA
Output Noise Voltage
(T
A
= +25
C, 10Hz f 100 kHz)
Vn -
90
-
nV
Ripple Rejection (I
O
= 40 mA, f =120 Hz, 18.5V
Vi
28.5V, T
J
= +25
C)
RR 33
39
-
dB
Dropout Voltage (T
J
= +25
C)
Vi-Vo - 1.7
-
Vdc
IL78L18
ELECTRICAL CHARACTERISTICS
(Vi = 27 V, Io
= 40 mA, Ci = 0.33
F, Co = 0.1 F. 0C < T
J
< +125C, unless otherwise noted.)
Characteristics Symbol
Min
Typ
Max
Unit
Output Voltage (T
J
= +25
C)
V
O
16.6
18
19.4
Vdc
Line Regulation
(T
J
= +25
C, Io= 40 mA)
20.7Vdc
Vi 33Vdc
21 Vdc
Vi < 33Vdc

Reg
line


32
27


325
275
mV
Load Regulation
(T
J
= +25
C, 1.0 mA Io 100 mA)
(T
J
= +25
C, 1.0 mA Io 40 mA)
Peg
load

-
-

30
15

170
85
mV
Output Voltage
(21.4Vdc
Vi33Vdc, 1.0 mA Io 40 mA)
(20.7Vdc
Vi33Vdc, 1.0mA Io 40 mA) (Vi =
27 V, 1.0mA
Io 70 mA)
(Vi = 27V, 1.0mA
Io 70mA)
Vo

16.2

16.2


-

-


19.8

19.8
Vdc
Input Bias Current
(T
J
=
+25
C)
(T
J
= +125
C)
I
IB

-
-

3.1
-

6.5
6.0
mA
Input Bias Current Change
(22Vdc
Vi 33Vdc)
(21Vdc
Vi
33 Vdc)
(1.0mA
Io
40 mA)
I
IB

-

-

-

-

1.5

0.2
mA
Output Noise Voltage
(T
=+25C,10Hz Io lOOkHz)
Vn -
150
-
nV
Ripple Rejection (I
O
= 40 mA,f = 120 Hz,
23 V
Vi 33 V, T
J
= +25
C)
RR 32
46
-
dB
Dropout Voltage (T
J
= +25
C)
Vi-Vo - 1.7
-
Vdc

IL78LXX
5
IL78L24
ELECTRICAL CHARACTERISTICS
(Vi = 33 V, Io
= 40 mA, Ci = 0.33
F. Co
= 0.1
F, 0C < T
J
< +125C, unless otherwise noted.)
Characteristics Symbol
Min
Typ
Max
Unit
Output Voltage (T
J
= +25
C)
V
O
22.1
24
25.9
Vdc
Line Regulation
(T
J
= +25
C, Io
= 40 mA)
27.5 Vdc
Vi 38 Vdc
28 Vdc
Vi 38 Vdc
Reg
line


-
-


35
30


350
300
mV
Load Regulation
(T
J
= +25
C, 1.0 mA Io 100 mA)
(T
J
= +25
C, 1.0 mA Io 40 mA)
Reg
load

-
-

40
20

200
100
mV
Output Voltage
(28Vdc
Vi 38Vdc, 1.0 mA Io 40 mA)
(27Vdc
Vi 33Vdc, 1.0 mA Io 70 mA)
V
O

21.6
21.6

-
-

26.4
26.4
Vdc
Input Bias Current
(T
J
= +25
C)
(T
J
= +125
C)
I
IB

-
-

3.1
-

6.5
6.0
mA
Input Bias Current Change
(28 Vdc
Vi 38 Vdc)
(1.0 mA
Io 40 mA)
I
IB

-
-

-
-

1.5
0.2
rnA
Output Noise Voltage
(T
= +25
C, 10Hz f 100 kHz)
Vn -
200
-
nV
Ripple Rejection (I
O
= 40 mA, f= 120 Hz, 29V
Vi
35V, T
J
= +25
C)
RR 30
43
-
dB
Dropout Voltage (T
J
= +25
C)
Vi-Vo - 1.7
-
Vdc