STMICROELECTRONICS L78M09CP

L78MxxC
Positive voltage regulators
Features
■
Output current to 0.5 A
■
Output voltages of 5; 6; 8; 9; 12; 15; 18; 24 V
■
Thermal overload protection
■
Short circuit protection
■
Output transition SOA protection
TO-220
TO-220FP
Description
The L78Mxx 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 0.5 A output current. Although
designed primarily as fixed voltage regulators,
these devices can be used with external
components to obtain adjustable voltage and
currents.
Table 1.
DPAK
IPAK
Device summary
Part numbers
February 2008
L78M05C
L78M12C
L78M06C
L78M15C
L78M08C
L78M18C
L78M09C
L78M24C
Rev 11
1/29
www.st.com
29
Contents
L78MxxC
Contents
1
Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2
Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3
Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
4
Test circuits
5
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
6
Typical performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
7
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
8
Order codes
9
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
2/29
............................................... 6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
L78MxxC
Diagram
1
Diagram
Figure 1.
Block diagram
3/29
Pin configuration
L78MxxC
2
Pin configuration
Figure 2.
Pin connections (top view)
Figure 3.
4/29
TO-220
TO220FP
DPAK
IPAK
Schematic diagram
L78MxxC
Maximum ratings
3
Maximum ratings
Table 2.
Absolute maximum ratings
Symbol
Parameter
Value
for VO= 5 to 18V
35
for VO= 20, 24V
40
Unit
VI
DC input voltage
IO
Output current
Internally limited
mA
PD
Power dissipation
Internally limited
mW
-65 to 150
°C
0 to 150
°C
TSTG
Storage temperature range
TOP
Operating junction temperature range
V
Note:
Absolute maximum ratings are those values beyond which damage to the device may occur.
Functional operation under these condition is not implied
Table 3.
Thermal data
Symbol
Parameter
TO-220
TO-220FP
DPAK
IPAK
Unit
RthJC
Thermal resistance junction-case
3
5
8
°C/W
RthJA
Thermal resistance junction-ambient
50
60
100
°C/W
Figure 4.
Application circuits
5/29
Test circuits
4
Test circuits
Figure 5.
DC parameter
Figure 6.
Load regulation
Figure 7.
Ripple rejection
6/29
L78MxxC
L78MxxC
Electrical characteristics
5
Electrical characteristics
Table 4.
Electrical characteristics of L78M05C (refer to the test circuits, TJ = 25 °C, VI = 10 V,
IO = 350 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified)
Symbol
Parameter
VO
Output voltage
VO
Output voltage
ΔVO
Line regulation
ΔVO
Load regulation
Id
ΔId
ΔVO/ΔT
Test conditions
IO = 5 to 350 mA, VI = 7 to 20 V
V
4.75
5
5.25
V
IO = 5 to 200 mA, TJ = 25°C
50
mV
mV
Quiescent current
Quiescent current change
6
IO = 5 to 350 mA
0.5
IO = 200 mA, VI = 8 to 25 V
0.8
B =10Hz to 100kHz
Vd
Dropout voltage
Isc
Short circuit current
mA
mA
-0.5
mV/°C
62
VI = 35 V
dB
40
µV
2
V
300
mA
Electrical characteristics of L78M06C (refer to the test circuits, TJ = 25 °C, VI = 11 V,
IO = 350 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified)
Parameter
VO
Output voltage
VO
Output voltage
ΔVO
Line regulation
ΔVO
Load regulation
Test conditions
IO = 5 to 350 mA, VI = 8 to 21 V
Min.
Typ.
Max.
Unit
5.75
6
6.25
V
5.7
6
6.3
V
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
mV
mV
Quiescent current
Quiescent current change
6
IO = 5 to 350 mA
0.5
IO = 200 mA, VI = 9 to 25 V
0.8
Output voltage drift
IO = 5 mA, TJ = 0 to 125°C
Supply voltage rejection
VI = 9 to 19 V, f = 120Hz, IO = 300mA
eN
Output noise voltage
B =10Hz to 100kHz
Vd
Dropout voltage
Isc
Short circuit current
SVR
5.2
100
Output noise voltage
ΔVO/ΔT
5
IO = 5 to 500 mA, TJ = 25°C
eN
ΔId
4.8
50
VI = 8 to 18 V, f = 120Hz, IO = 300mA
Id
Unit
VI = 8 to 25 V, IO = 200 mA
Supply voltage rejection
Symbol
Max.
100
IO = 5 mA, TJ = 0 to 125°C
Table 5.
Typ.
VI = 7 to 25 V, IO = 200 mA
Output voltage drift
SVR
Min.
VI = 35 V
mA
mA
-0.5
59
mV/°C
dB
45
µV
2
V
270
mA
7/29
Electrical characteristics
Table 6.
Symbol
Electrical characteristics of L78M08C (refer to the test circuits, TJ = 25 °C, VI = 14 V,
IO = 350 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified)
Parameter
VO
Output voltage
VO
Output voltage
ΔVO
Line regulation
ΔVO
Load regulation
Id
ΔId
ΔVO/ΔT
L78MxxC
Test conditions
IO = 5 to 350 mA, VI = 10.5 to 23 V
7.6
8
8.4
V
80
mV
mV
Quiescent current
Quiescent current change
6
IO = 5 to 350 mA
0.5
IO = 200 mA, VI = 10.5 to 25 V
0.8
Vd
Dropout voltage
Isc
Short circuit current
mA
mA
-0.5
mV/°C
56
VI = 35 V
dB
52
µV
2
V
250
mA
Electrical characteristics of L78M09C (refer to the test circuits, TJ = 25 °C, VI = 15 V,
IO = 350 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified)
Parameter
VO
Output voltage
VO
Output voltage
ΔVO
Line regulation
ΔVO
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
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
mV
mV
Quiescent current
Quiescent current change
6
IO = 5 to 350 mA
0.5
IO = 200 mA, VI = 11.5 to 25 V
0.8
Output voltage drift
IO = 5 mA, TJ = 0 to 125°C
Supply voltage rejection
VI = 12.5 to 23 V, f = 120Hz, IO = 300mA
eN
Output noise voltage
B =10Hz to 100kHz
Vd
Dropout voltage
Isc
Short circuit current
8/29
V
IO = 5 to 200 mA, TJ = 25°C
B =10Hz to 100kHz
SVR
8.3
160
Output noise voltage
ΔVO/ΔT
8
IO = 5 to 500 mA, TJ = 25°C
eN
ΔId
7.7
50
VI = 11.5 to 21.5 V, f = 120Hz,
IO = 300mA
Id
Unit
VI = 11 to 25 V, IO = 200 mA
Supply voltage rejection
Symbol
Max.
100
IO = 5 mA, TJ = 0 to 125°C
Table 7.
Typ.
VI = 10.5 to 25 V, IO = 200 mA
Output voltage drift
SVR
Min.
VI = 35 V
mA
mA
-0.5
56
mV/°C
dB
58
µV
2
V
250
mA
L78MxxC
Table 8.
Symbol
Electrical characteristics
Electrical characteristics of L78M12C (refer to the test circuits, TJ = 25 °C, VI = 19 V,
IO = 350 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified)
Parameter
VO
Output voltage
VO
Output voltage
ΔVO
Line regulation
ΔVO
Load regulation
Id
ΔId
ΔVO/ΔT
Test conditions
IO = 5 to 350 mA, VI = 14.5 to 27 V
V
11.4
12
12.6
V
IO = 5 to 200 mA, TJ = 25°C
120
mV
mV
Quiescent current
Quiescent current change
6
IO = 5 to 350 mA
0.5
IO = 200 mA, VI = 14.5 to 30 V
0.8
B =10Hz to 100kHz
Vd
Dropout voltage
Isc
Short circuit current
mA
mA
-1
mV/°C
55
VI = 35 V
dB
75
µV
2
V
240
mA
Electrical characteristics of L78M15C (refer to the test circuits, TJ = 25 °C, VI = 23 V,
IO = 350 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified)
Parameter
VO
Output voltage
VO
Output voltage
ΔVO
Line regulation
ΔVO
Load regulation
Test conditions
IO = 5 to 350 mA, VI = 17.5 to 30 V
Min.
Typ.
Max.
Unit
14.4
15
15.6
V
14.25
15
15.75
V
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
mV
mV
Quiescent current
Quiescent current change
6
IO = 5 to 350 mA
0.5
IO = 200 mA, VI = 17.5 to 30 V
0.8
Output voltage drift
IO = 5 mA, TJ = 0 to 125°C
Supply voltage rejection
VI = 18.5 to 28.5 V, f = 120Hz,
IO = 300mA
eN
Output noise voltage
B =10Hz to 100kHz
Vd
Dropout voltage
Isc
Short circuit current
SVR
12.5
240
Output noise voltage
ΔVO/ΔT
12
IO = 5 to 500 mA, TJ = 25°C
eN
ΔId
11.5
50
VI = 15 to 25 V, f = 120Hz, IO = 300mA
Id
Unit
VI = 16 to 30 V, IO = 200 mA
Supply voltage rejection
Symbol
Max.
100
IO = 5 mA, TJ = 0 to 125°C
Table 9.
Typ.
VI = 14.5 to 30 V, IO = 200 mA
Output voltage drift
SVR
Min.
VI = 35 V
mA
mA
-1
54
mV/°C
dB
90
µV
2
V
240
mA
9/29
Electrical characteristics
Table 10.
Symbol
Electrical characteristics of L78M18C (refer to the test circuits, TJ = 25 °C, VI = 26 V,
IO = 350 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified)
Parameter
VO
Output voltage
VO
Output voltage
ΔVO
Line regulation
ΔVO
Load regulation
Id
ΔId
ΔVO/ΔT
L78MxxC
Test conditions
IO = 5 to 350 mA, VI = 20.5 to 33 V
17.1
18
18.9
V
180
mV
mV
Quiescent current
Quiescent current change
6
IO = 5 to 350 mA
0.5
IO = 200 mA, VI = 21 to 33 V
0.8
Vd
Dropout voltage
Isc
Short circuit current
mA
mA
-1.1
mV/°C
53
VI = 35 V
dB
100
µV
2
V
240
mA
Electrical characteristics of L78M24C (refer to the test circuits, TJ = 25 °C, VI = 23 V,
IO = 350 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified)
Parameter
VO
Output voltage
VO
Output voltage
ΔVO
Line regulation
ΔVO
Load regulation
Test conditions
IO = 5 to 350 mA, VI = 27 to 38 V
Min.
Typ.
Max.
Unit
23
24
25
V
22.8
24
25.2
V
VI = 27 to 38 V, IO = 200 mA
100
VI = 28 to 38 V, IO = 200 mA
50
IO = 5 to 500 mA, TJ = 25°C
480
IO = 5 to 200 mA, TJ = 25°C
240
mV
mV
Quiescent current
Quiescent current change
6
IO = 5 to 350 mA
0.5
IO = 200 mA, VI = 27 to 38 V
0.8
Output voltage drift
IO = 5 mA, TJ = 0 to 125°C
Supply voltage rejection
VI = 28 to 38 V, f = 120Hz, IO = 300mA
eN
Output noise voltage
B =10Hz to 100kHz
Vd
Dropout voltage
Isc
Short circuit current
10/29
V
IO = 5 to 200 mA, TJ = 25°C
B =10Hz to 100kHz
SVR
18.7
360
Output noise voltage
ΔVO/ΔT
18
IO = 5 to 500 mA, TJ = 25°C
eN
ΔId
17.3
50
VI = 22 to 32 V, f = 120Hz, IO = 300mA
Id
Unit
VI = 24 to 33 V, IO = 200 mA
Supply voltage rejection
Symbol
Max.
100
IO = 5 mA, TJ = 0 to 125°C
Table 11.
Typ.
VI = 21 to 33 V, IO = 200 mA
Output voltage drift
SVR
Min.
VI = 35 V
mA
mA
-1.2
50
mV/°C
dB
170
µV
2
V
240
mA
L78MxxC
Typical performance
6
Typical performance
Figure 8.
Dropout voltage vs junction temp.
Figure 9.
Dropout characteristics
Figure 10. Peak output current vs input-output Figure 11. Output voltage vs junction
differential voltage
temperature
Figure 12. Supply voltage rejection vs freq.
Figure 13. Quiescent current vs junction temp.
11/29
Typical performance
Figure 14. Load transient response
L78MxxC
Figure 15. Line transient response
Figure 16. Quiescent current vs input voltage
Figure 17. Fixed output regulator
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.
12/29
L78MxxC
Typical performance
Figure 18. Constant current regulator
IO = VXX/R1+Id
Figure 19. Circuit for increasing output voltage
IR1 ≥ 5 Id
VO = VXX(1+R2/R1)+IdR2
Figure 20. Adjustable output regulator (7 to 30 V)
13/29
Typical performance
Figure 21. 0.5 to 10 V regulator
VO=VXXR4/R1
Figure 22. High current voltage regulator
VBEQ1
R1 = ______________
IREQ-(IQ1/βQ1)
VBEQ1
IO = IREG + Q1 (IREG ______)
R1
Figure 23. High output current with short circuit protection
RSC=VBEQ2/ISC
14/29
L78MxxC
L78MxxC
Typical performance
Figure 24. Tracking voltage regulator
Figure 25. High input voltage circuit
VIN = VI - (VZ + VBE)
Figure 26. Reducing power dissipation with dropping resistor
VI(min)-VXX-VDROP(max)
R = ____________________
IO(max)+Id(max)
15/29
Typical performance
L78MxxC
Figure 27. Power AM modulator (unity voltage gain, IO ≤0.5)
Note:
The circuit performs well up to 100 kHz.
Figure 28. Adjustable output voltage with temperature compensation
VO = VXX (1+R2/R1) + VBE
Note:
16/29
Q2 is connected as a diode in order to compensate the variation of the Q1 VBE with the
temperature. C allows a slow rise time of the VO.
L78MxxC
7
Package mechanical data
Package mechanical data
In order to meet environmental requirements, ST offers these devices in ECOPACK®
packages. These packages have a lead-free second level interconnect. The category of
second Level Interconnect is marked on the package and on the inner box label, in
compliance with JEDEC Standard JESD97. The maximum ratings related to soldering
conditions are also marked on the inner box label. ECOPACK is an ST trademark.
ECOPACK specifications are available at: www.st.com.
17/29
Package mechanical data
L78MxxC
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
0.70
0.019
0.027
D1
E
1.27
0.49
0.050
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
18/29
L78MxxC
Package mechanical data
TO-220FP mechanical data
Dim.
mm.
Min.
Max.
Min.
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
Typ
inch.
16
Typ.
Max.
0.630
L3
28.6
30.6
1.126
1.204
L4
9.8
10.6
0.385
0.417
L5
2.9
3.6
0.114
0.142
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
7012510A-H
19/29
Package mechanical data
L78MxxC
Figure 29. Drawing dimension DPAK (type STD-ST)
0068772/G
20/29
L78MxxC
Package mechanical data
Figure 30. Drawing dimension DPAK (type FUJITSU-subcon.)
0068772/G
21/29
Package mechanical data
L78MxxC
Figure 31. Drawing dimension DPAK (type IDS-subcon.)
0068772/G
22/29
L78MxxC
Table 12.
Package mechanical data
DPAK mechanical data
Dim.
Min.
Type STD-ST
Type FUJITSU-SUBCON.
Type IDS-SUBCON
mm.
mm.
mm.
Typ.
Max.
Min.
Typ.
Max.
Min.
Typ.
Max.
2.30
2.35
2.19
2.38
A
2.20
2.40
2.25
A1
0.90
1.10
0.96
1.06
0.89
1.14
A2
0.03
0.23
0
0.10
0.03
0.23
b
0.64
0.90
0.76
0.86
0.64
0.88
b4
5.20
5.40
5.28
5.38
5.21
5.46
c
0.45
0.60
0.46
0.56
0.46
0.58
c2
0.48
0.60
0.46
0.56
0.46
0.58
D
6.00
6.20
6.05
6.15
5.97
6.22
5.27
5.47
D1
E
5.10
6.40
6.60
E1
4.70
e
2.28
2.23
4.40
4.60
H
9.35
10.10
L
1.00
2.80
L2
0.80
L4
0.60
R
V2
Note:
6.65
6.35
1.00
2.28
2.33
2.28
4.51
4.61
10.42
10.30
9.40
1.40
1.60
0.90
2.50
2.65
1.03
1.13
0.89
1.27
0.70
0.90
0.64
1.02
0.40
8°
6.73
4.70
9.90
0.20
0°
6.60
4.77
e1
L1
6.55
5.20
0°
0.20
8°
0°
8°
The DPAK package coming from the two subcontractors (Fujitsu and IDS) are fully
compatible with the ST's package suggested footprint.
23/29
Package mechanical data
L78MxxC
Figure 32. DPAK footprint recommended data
Table 13.
Footprint data
Values
24/29
Dim.
mm.
inch.
A
6.70
0.264
B
6.70
0.64
C
1.8
0.070
D
3.0
0.118
E
1.60
0.063
F
2.30
0.091
G
2.30
0.091
L78MxxC
Package mechanical data
IPAK mechanical data
mm.
inch.
Dim.
Min.
Typ.
Max.
Min.
Typ.
Max.
A
2.2
2.4
0.086
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
25/29
Package mechanical data
L78MxxC
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
26/29
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
L78MxxC
Order codes
8
Order codes
Table 14.
Order codes
Packages
TO-220
TO-220FP
DPAK
IPAK
Output voltage
L78M05CV
L78M05CP
L78M05CDT-TR
L78M05CDT-1
5V
L78M06CDT-TR
L78M06CDT-1 (1)
6V
L78M08CDT-TR
L78M08CDT-1
(1)
8V
L78M09CDT-1
(1)
9V
L78M08CV
L78M09CV
L78M09CP
L78M09CDT-TR
L78M12CV
L78M12CDT-TR
12 V
L78M15CV
L78M15CDT-TR
15 V
L78M18CDT-TR
L78M24CV
L78M24CP
(1)
L78M24CDT-TR
18 V
L78M24CDT-1
(1)
24 V
1. Available on request
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Revision history
L78MxxC
9
Revision history
Table 15.
Document revision history
Date
Revision
21-Jun-2004
6
Document updating.
30-Aug-2006
7
Order codes has been updated and new template.
29-Nov-2006
8
DPAK mechanical data has been updated and add footprint data.
06-Jun-2007
9
Order codes has been updated.
10-Dec-2007
10
Added Table 1.
19-Feb-2008
11
Modified: Table 1 on page 1.
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Changes
L78MxxC
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