STMicroelectronics L78M24CV Positive voltage regulator Datasheet

L78M00
SERIES
POSITIVE VOLTAGE REGULATORS
■
OUTPUT CURRENT TO 0.5A
■
OUTPUT VOLTAGES OF 5; 6; 8; 9; 12; 15;
18; 20; 24V
■
THERMAL OVERLOAD PROTECTION
■
SHORT CIRCUIT PROTECTION
■
OUTPUT TRANSITION SOA PROTECTION
TO-220
TO-220FP
DESCRIPTION
The L78M00 series of three-terminal positive
regulators is available in TO-220, TO-220FP,
DPAK and IPAK packages and with several fixed
output voltages, making it useful in a wide range of
applications. These regulators can provide local
on-card regulation, eliminating the distribution
problems 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
0.5A output current. Although designed primarily
as fixed voltage regulators, these devices can be
DPAK
IPAK
used with external components
adjustable voltage and currents.
to
obtain
SCHEMATIC DIAGRAM
January 2004
1/21
L78M00 SERIES
ABSOLUTE MAXIMUM RATINGS
Symbol
VI
Parameter
DC Input Voltage
Value
Unit
35
40
V
V
(for VO= 5 to 18V)
(for VO= 20, 24V)
IO
Output Current
Internally Limited
mA
Internally Limited
mW
-65 to +150
°C
0 to +150
°C
PD
Power Dissipation
Tstg
Storage Temperature Range
Top
Operating Junction Temperature Range
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is
not implied.
THERMAL DATA
Symbol
Parameter
TO-220
TO-220FP
DPAK
IPAK
Unit
Rthj-case
Thermal Resistance Junction-case
3
5
8
°C/W
Rthj-amb
Thermal Resistance Junction-ambient
50
60
100
°C/W
SHEMATIC DIAGRAM
2/21
L78M00 SERIES
CONNECTION DIAGRAM (top view)
TO-220
TO-220FP
DPAK
IPAK
ORDERING CODES
TYPE
TO-220
TO-220FP
DPAK (*)
IPAK
OUTPUT
VOLTAGE
L78M05
L78M06
L78M08
L78M09
L78M10
L78M12
L78M15
L78M18
L78M20
L78M24
L78M05CV
L78M06CV
L78M08CV
L78M09CV
L78M10CV
L78M12CV
L78M15CV
L78M18CV
L78M20CV
L78M24CV
L78M05CP
L78M06CP
L78M08CP
L78M09CP
L78M10CP
L78M12CP
L78M15CP
L78M18CP
L78M20CP
L78M24CP
L78M05CDT
L78M06CDT
L78M08CDT
L78M09CDT
L78M10CDT
L78M12CDT
L78M15CDT
L78M18CDT
L78M20CDT
L78M24CDT
L78M05CDT-1
L78M06CDT-1
L78M08CDT-1
L78M09CDT-1
L78M10CDT-1
L78M12CDT-1
L78M15CDT-1
L78M18CDT-1
L78M20CDT-1
L78M24CDT-1
5V
6V
8V
9V
10 V
12 V
15 V
18 V
20 V
24 V
(*) Available in Tape & Reel with the suffix "-TR".
APPLICATION CIRCUITS
3/21
L78M00 SERIES
TEST CIRCUITS
Figure 1 : DC Parameter
Figure 2 : Load Regulation
Figure 3 : Ripple Rejection
4/21
L78M00 SERIES
ELECTRICAL CHARACTERISTICS OF L78M05C (refer to the test circuits, TJ = 25°C, VI = 10V,
IO = 350 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified).
Symbol
Parameter
VO
Output Voltage
VO
Output Voltage
∆VO
Line Regulation
∆VO
Id
∆Id
Load Regulation
Test Conditions
IO = 5 to 350 mA
VI = 7 to 20 V
Min.
Typ.
4.8
5
5.2
V
5
5.25
V
mV
VI = 7 to 25 V
IO = 200 mA
100
VI = 8 to 25 V
IO = 200 mA
50
IO = 5 to 500 mA
TJ = 25°C
100
IO = 5 to 200 mA
TJ = 25°C
50
IO = 5 to 350 mA
IO = 200 mA
∆VO/∆T Output Voltage Drift
Unit
4.75
Quiescent Current
Quiescent Current Change
Max.
VI = 8 to 25 V
mV
6
mA
0.5
mA
0.8
IO = 5 mA
TJ = 0 to 125°C
Supply Voltage Rejection
VI = 8 to 18 V
IO = 300mA
f = 120Hz
eN
Vd
Output Noise Voltage
Dropout Voltage
B =10Hz to 100KHz
40
2
µV
V
Isc
Short Circuit Current
VI = 35 V
300
mA
SVR
-0.5
mV/°C
62
dB
ELECTRICAL CHARACTERISTICS OF L78M06C (refer to the test circuits, TJ = 25°C, VI = 11V,
IO = 350 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified).
Symbol
Parameter
VO
Output Voltage
VO
Output Voltage
∆VO
Line Regulation
∆VO
Id
∆Id
Load Regulation
Test Conditions
IO = 5 to 350 mA
VI = 8 to 21 V
Min.
Typ.
Max.
5.75
6
6.25
V
5.7
6
6.3
V
mV
VI = 8 to 25 V
IO = 200 mA
100
VI = 9 to 25 V
IO = 200 mA
50
IO = 5 to 500 mA
TJ = 25°C
120
IO = 5 to 200 mA
TJ = 25°C
60
Quiescent Current
Quiescent Current Change
IO = 5 to 350 mA
Unit
mV
6
mA
0.5
mA
IO = 200 mA
VI = 9 to 25 V
IO = 5 mA
TJ = 0 to 125°C
Supply Voltage Rejection
VI = 9 to 19 V
IO = 300mA
f = 120Hz
eN
Vd
Output Noise Voltage
Dropout Voltage
B =10Hz to 100KHz
45
2
µV
V
Isc
Short Circuit Current
VI = 35 V
270
mA
∆VO/∆T Output Voltage Drift
SVR
0.8
-0.5
59
mV/°C
dB
5/21
L78M00 SERIES
ELECTRICAL CHARACTERISTICS OF L78M08C (refer to the test circuits, TJ = 25°C, VI = 14V,
IO = 350 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified).
Symbol
Parameter
VO
Output Voltage
Test Conditions
Min.
Typ.
Max.
Unit
7.7
8
8.3
V
7.6
8
VO
Output Voltage
IO = 5 to 350 mA
VI = 10.5 to 23 V
∆VO
Line Regulation
VI = 10.5 to 25 V
IO = 200 mA
VI = 11 to 25 V
IO = 200 mA
50
∆VO
Load Regulation
IO = 5 to 500 mA
TJ = 25°C
160
IO = 5 to 200 mA
TJ = 25°C
80
Id
∆Id
Quiescent Current
Quiescent Current Change
∆VO/∆T Output Voltage Drift
SVR
IO = 5 to 350 mA
IO = 200 mA
VI = 10.5 to 25 V
IO = 5 mA
TJ = 0 to 125°C
8.4
V
100
mV
mV
6
mA
0.5
mA
0.8
-0.5
mV/°C
Supply Voltage Rejection
VI = 11.5 to 21.5 V f = 120Hz
IO = 300mA
eN
Vd
Output Noise Voltage
Dropout Voltage
B =10Hz to 100KHz
52
2
µV
V
Isc
Short Circuit Current
VI = 35 V
250
mA
56
dB
ELECTRICAL CHARACTERISTICS OF L78M09C (refer to the test circuits, TJ = 25°C, VI = 15V,
IO = 350 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified).
Symbol
Parameter
VO
Output Voltage
VO
Output Voltage
∆VO
Line Regulation
∆VO
Id
∆Id
Load Regulation
Test Conditions
IO = 5 to 350 mA
VI = 11.5 to 24 V
Min.
Typ.
Max.
Unit
8.65
9
9.35
V
8.55
9
9.45
V
mV
VI = 11.5 to 25 V
IO = 200 mA
100
VI = 12 to 25 V
IO = 200 mA
50
IO = 5 to 500 mA
TJ = 25°C
180
IO = 5 to 200 mA
TJ = 25°C
90
Quiescent Current
Quiescent Current Change
IO = 5 to 350 mA
mV
6
mA
0.5
mA
IO = 200 mA
VI = 11.5 to 25 V
IO = 5 mA
TJ = 0 to 125°C
Supply Voltage Rejection
VI = 12.5 to 23 V
IO = 300mA
f = 120Hz
eN
Vd
Output Noise Voltage
Dropout Voltage
B =10Hz to 100KHz
58
2
µV
V
Isc
Short Circuit Current
VI = 35 V
250
mA
∆VO/∆T Output Voltage Drift
SVR
6/21
0.8
-0.5
56
mV/°C
dB
L78M00 SERIES
ELECTRICAL CHARACTERISTICS OF L78M10C (refer to the test circuits, TJ = 25°C, VI = 16V,
IO = 350 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified).
Symbol
Parameter
VO
Output Voltage
VO
Output Voltage
∆VO
Line Regulation
∆VO
Id
∆Id
Load Regulation
Test Conditions
IO = 5 to 350 mA
VI = 12.5 to 25 V
Min.
Typ.
Max.
Unit
9.6
10
10.4
V
9.5
10
10.5
V
mV
VI = 12.5 to 30 V
IO = 200 mA
100
VI = 13 to 30 V
IO = 200 mA
50
IO = 5 to 500 mA
TJ = 25°C
200
IO = 5 to 200 mA
TJ = 25°C
100
Quiescent Current
Quiescent Current Change
∆VO/∆T Output Voltage Drift
IO = 5 to 350 mA
IO = 200 mA
VI = 12.5 to 30 V
mV
6
mA
0.5
mA
0.8
IO = 5 mA
TJ = 0 to 125°C
Supply Voltage Rejection
VI = 13.5 to 24 V
IO = 300mA
f = 120Hz
eN
Vd
Output Noise Voltage
Dropout Voltage
B =10Hz to 100KHz
64
2
µV
V
Isc
Short Circuit Current
VI = 35 V
245
mA
SVR
-0.5
mV/°C
56
dB
ELECTRICAL CHARACTERISTICS OF L78M12C (refer to the test circuits, TJ = 25°C, VI = 19V,
IO = 350 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified).
Symbol
Parameter
VO
Output Voltage
VO
Output Voltage
∆VO
Line Regulation
∆VO
Id
∆Id
Load Regulation
Test Conditions
IO = 5 to 350 mA
VI = 14.5 to 27 V
Min.
Typ.
Max.
Unit
11.5
11.4
12
12.5
V
12
12.6
V
mV
VI = 14.5 to 30 V
IO = 200 mA
100
VI = 16 to 30 V
IO = 200 mA
50
IO = 5 to 500 mA
TJ = 25°C
240
IO = 5 to 200 mA
TJ = 25°C
120
Quiescent Current
Quiescent Current Change
IO = 5 to 350 mA
mV
6
mA
0.5
mA
IO = 200 mA
VI = 14.5 to 30 V
IO = 5 mA
TJ = 0 to 125°C
Supply Voltage Rejection
VI = 15 to 25 V
IO = 300mA
f = 120Hz
eN
Vd
Output Noise Voltage
Dropout Voltage
B =10Hz to 100KHz
75
2
µV
V
Isc
Short Circuit Current
VI = 35 V
240
mA
∆VO/∆T Output Voltage Drift
SVR
0.8
-1
55
mV/°C
dB
7/21
L78M00 SERIES
ELECTRICAL CHARACTERISTICS OF L78M15C (refer to the test circuits, TJ = 25°C, VI = 23V,
IO = 350 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified).
Symbol
Parameter
VO
Output Voltage
VO
Output Voltage
∆VO
Line Regulation
∆VO
Id
∆Id
Load Regulation
IO = 5 to 350 mA
VI = 17.5 to 30 V
Min.
Typ.
Max.
Unit
14.4
14.25
15
15.6
V
15
15.75
V
mV
VI = 17.5 to 30 V
IO = 200 mA
100
VI = 20 to 30 V
IO = 200 mA
50
IO = 5 to 500 mA
TJ = 25°C
300
IO = 5 to 200 mA
TJ = 25°C
150
Quiescent Current
Quiescent Current Change
∆VO/∆T Output Voltage Drift
SVR
Test Conditions
IO = 5 to 350 mA
IO = 200 mA
VI = 17.5 to 30 V
IO = 5 mA
TJ = 0 to 125°C
mV
6
mA
0.5
mA
0.8
-1
mV/°C
Supply Voltage Rejection
VI = 18.5 to 28.5 V f = 120Hz
IO = 300mA
eN
Vd
Output Noise Voltage
Dropout Voltage
B =10Hz to 100KHz
90
2
µV
V
Isc
Short Circuit Current
VI = 35 V
240
mA
54
dB
ELECTRICAL CHARACTERISTICS OF L78M18C (refer to the test circuits, TJ = 25°C, VI = 26V,
IO = 350 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified).
Symbol
Parameter
VO
Output Voltage
VO
Output Voltage
∆VO
Line Regulation
∆VO
Id
∆Id
Load Regulation
Test Conditions
IO = 5 to 350 mA
VI = 20.5 to 33 V
Min.
Typ.
Max.
Unit
17.3
18
18.7
V
17.1
18
18.9
V
mV
VI = 21 to 33 V
IO = 200 mA
100
VI = 24 to 33 V
IO = 200 mA
50
IO = 5 to 500 mA
TJ = 25°C
360
IO = 5 to 200 mA
TJ = 25°C
180
Quiescent Current
Quiescent Current Change
IO = 5 to 350 mA
mV
6
mA
0.5
mA
IO = 200 mA
VI = 21 to 33 V
IO = 5 mA
TJ = 0 to 125°C
Supply Voltage Rejection
VI = 22 to 32 V
IO = 300mA
f = 120Hz
eN
Vd
Output Noise Voltage
Dropout Voltage
B =10Hz to 100KHz
100
2
µV
V
Isc
Short Circuit Current
VI = 35 V
240
mA
∆VO/∆T Output Voltage Drift
SVR
8/21
0.8
-1.1
53
mV/°C
dB
L78M00 SERIES
ELECTRICAL CHARACTERISTICS OF L78M20C (refer to the test circuits, TJ = 25°C, VI = 29V,
IO = 350 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified).
Symbol
Parameter
VO
Output Voltage
VO
Output Voltage
∆VO
Line Regulation
∆VO
Id
∆Id
Load Regulation
Test Conditions
IO = 5 to 350 mA
VI = 23 to 35 V
Min.
Typ.
Max.
Unit
19.2
20
20.8
V
19
20
21
V
mV
VI = 23 to 35 V
IO = 200 mA
100
VI = 24 to 35 V
IO = 200 mA
50
IO = 5 to 500 mA
TJ = 25°C
400
IO = 5 to 200 mA
TJ = 25°C
200
Quiescent Current
Quiescent Current Change
∆VO/∆T Output Voltage Drift
IO = 5 to 350 mA
IO = 200 mA
VI = 23 to 35 V
mV
6
mA
0.5
mA
0.8
IO = 5 mA
TJ = 0 to 125°C
Supply Voltage Rejection
VI = 24 to 34 V
IO = 300mA
f = 120Hz
eN
Vd
Output Noise Voltage
Dropout Voltage
B =10Hz to 100KHz
110
2
µV
V
Isc
Short Circuit Current
VI = 35 V
240
mA
SVR
-1.1
mV/°C
53
dB
ELECTRICAL CHARACTERISTICS OF L78M24C (refer to the test circuits, TJ = 25°C, VI = 33V,
IO = 350 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified),
Symbol
Parameter
VO
Output Voltage
Test Conditions
Min.
Typ.
Max.
Unit
23
24
25
V
22.8
24
25.2
V
100
mV
VO
Output Voltage
IO = 5 to 350 mA
VI = 27 to 38 V
∆VO
Line Regulation
VI = 27 to 38 V
IO = 200 mA
VI = 28 to 38 V
IO = 200 mA
50
∆VO
Load Regulation
IO = 5 to 500 mA
TJ = 25°C
480
IO = 5 to 200 mA
TJ = 25°C
240
Id
∆Id
Quiescent Current
Quiescent Current Change
∆VO/∆T Output Voltage Drift
IO = 5 to 350 mA
IO = 200 mA
VI = 27 to 38 V
mV
6
mA
0.5
mA
0.8
IO = 5 mA
TJ = 0 to 125°C
Supply Voltage Rejection
VI = 28 to 38 V
IO = 300mA
f = 120Hz
eN
Vd
Output Noise Voltage
Dropout Voltage
B =10Hz to 100KHz
170
2
µV
V
Isc
Short Circuit Current
VI = 35 V
240
mA
SVR
-1.2
50
mV/°C
dB
9/21
L78M00 SERIES
Figure 4 : Dropout Voltage vs Junction
Temperature
Figure 7 : Output Voltage vs Junction
Temperature
Figure 5 : Dropout Characteristics
Figure 8 : Supply Voltage Rejection vs
Frequency
Figure 6 : Peak Output Current vs Input-Output
Differential Voltage
Figure 9 : Quiescent Current vs Junction
Temperature
10/21
L78M00 SERIES
Figure 10 : Load Transient Response
Figure 12 : Quiescent Current vs Input Voltage
Figure 11 : Line Transient Response
11/21
L78M00 SERIES
Figure 13 : Fixed Output Regulator
NOTE:
1. To specify an output voltage, substitute voltage value for "XX".
2. Although no output capacitor is need for stability, it does improve transient response.
3. Required if regulator is locate an appreciable distance from power supply filter.
Figure 14 :
Vxx
IO = 
+ Id
R1
Figure 15 :
IR1 ≥ 5 Id
R2
VO = VXX (1+  ) + Id R2
R1
12/21
L78M00 SERIES
Figure 16 : Adjustable Output Regulator (7 to 30V)
Figure 17 : 0.5 to 10V Regulator
R4
VO = Vxx 
R1
Figure 18 : High Current Voltage Regulator
VBEQ1
R1 = 
IQ1
IREQ - 
βQ1
VBEQ1
IO = IREG + Q1 (IREG )
R
1
Figure 19 : High Output Current with Short Circuit
V BEQ2
VO = 
I SC
13/21
L78M00 SERIES
Figure 20 : Tracking Voltage Regulator
Figure 21 : High Input Voltage Circuit
VIN = VI - (VZ + VBE)
Figure 22 : Reducing Power Dissipation with Dropping Resistor
VI(min) - VXX - VDROP(max)
R = 
IO(max) + Id(max)
14/21
L78M00 SERIES
Figure 23 : Power AM Modulator (unity voltage gain, IO ≤ 0.5)
NOTE: The circuit performs well up to 100 KHz.
Figure 24 : Adjustable Output Voltage with Temperature Compensation
R2
VO = VXX (1+ )
+ VBE
R1
NOTE: Q2 is connected as a diode in order to compensate the variation of the Q1 VBE with the temperature. C allows a slow risetime of the VO.
15/21
L78M00 SERIES
TO-220 MECHANICAL DATA
DIM.
mm.
MIN.
TYP
inch
MAX.
MIN.
TYP.
MAX.
A
4.40
4.60
0.173
0.181
C
1.23
1.32
0.048
0.051
D
2.40
2.72
0.094
0.107
D1
1.27
0.050
E
0.49
0.70
0.019
0.027
F
0.61
0.88
0.024
0.034
F1
1.14
1.70
0.044
0.067
F2
1.14
1.70
0.044
0.067
G
4.95
5.15
0.194
0.203
G1
2.4
2.7
0.094
0.106
H2
10.0
10.40
0.393
0.409
L2
16.4
0.645
L4
13.0
14.0
0.511
0.551
L5
2.65
2.95
0.104
0.116
L6
15.25
15.75
0.600
0.620
L7
6.2
6.6
0.244
0.260
L9
3.5
3.93
0.137
0.154
DIA.
3.75
3.85
0.147
0.151
P011C
16/21
L78M00 SERIES
TO-220FP MECHANICAL DATA
mm.
DIM.
MIN.
inch
TYP
MAX.
MIN.
TYP.
MAX.
A
4.40
4.60
0.173
0.181
B
2.5
2.7
0.098
0.106
D
2.5
2.75
0.098
0.108
E
0.45
0.70
0.017
0.027
F
0.75
1
0.030
0.039
F1
1.15
1.50
0.045
0.059
F2
1.15
1.50
0.045
0.059
G
4.95
5.2
0.194
0.204
G1
2.4
2.7
0.094
0.106
H
10.0
10.40
0.393
0.409
L2
16
0.630
28.6
30.6
1.126
1.204
L4
9.8
10.6
0.385
0.417
L6
15.9
16.4
0.626
0.645
L7
9
9.3
0.354
0.366
DIA.
3
3.2
0.118
0.126
B
D
A
E
L3
L3
L6
F2
H
G
G1
¯
F
F1
L7
1 2 3
L2
L4
7012510/G
17/21
L78M00 SERIES
DPAK MECHANICAL DATA
mm.
inch
DIM.
MIN.
TYP
MAX.
MIN.
TYP.
MAX.
A
2.2
2.4
0.086
A1
0.9
1.1
0.035
0.094
0.043
A2
0.03
0.23
0.001
0.009
B
0.64
0.9
0.025
0.035
B2
5.2
5.4
0.204
0.212
C
0.45
0.6
0.017
0.023
C2
0.48
0.6
0.019
0.023
D
6
6.2
0.236
D1
E
5.1
6.4
0.244
0.200
6.6
0.252
0.260
E1
4.7
0.185
e
2.28
0.090
e1
4.4
4.6
0.173
0.181
H
9.35
10.1
0.368
0.397
L
(L1)
L2
L4
1
0.039
2.8
0.110
0.8
0.6
0.031
1
0.023
0.039
0068772-F
18/21
L78M00 SERIES
IPAK MECHANICAL DATA
mm.
inch
DIM.
MIN.
A
TYP
2.2
MAX.
MIN.
2.4
0.086
TYP.
MAX.
0.094
A1
0.9
1.1
0.035
0.043
B
0.64
0.9
0.025
0.035
B2
5.2
5.4
0.204
0.212
B3
0.95
B5
0.037
0.3
B6
0.012
0.95
0.037
C
0.45
0.6
0.017
0.023
C2
0.48
0.6
0.019
0.023
D
6
6.2
0.236
0.244
E
6.4
6.6
0.252
0.260
G
4.4
4.6
0.173
0.181
H
15.9
16.3
0.626
0.641
L
9
9.4
0.354
0.370
L1
0.8
1.2
0.031
0.047
L2
0.8
1
0.031
0.039
0068771-F
19/21
L78M00 SERIES
Tape & Reel DPAK-PPAK MECHANICAL DATA
mm.
inch
DIM.
MIN.
TYP
A
MIN.
TYP.
330
13.0
13.2
MAX.
12.992
C
12.8
D
20.2
0.795
N
60
2.362
T
20/21
MAX.
0.504
0.512
22.4
0.519
0.882
Ao
6.80
6.90
7.00
0.268
0.272
0.2.76
Bo
10.40
10.50
10.60
0.409
0.413
0.417
Ko
2.55
2.65
2.75
0.100
0.104
0.105
Po
3.9
4.0
4.1
0.153
0.157
0.161
P
7.9
8.0
8.1
0.311
0.315
0.319
L78M00 SERIES
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