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PDF MC78M18CDT Data sheet ( Hoja de datos )
| Número de pieza | MC78M18CDT | |
| Descripción | Three-Terminal MEDIUM Current Positive Voltage Regulators | |
| Fabricantes | ON | |
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MC78M00, MC78M00A
Series
Three-Terminal
Medium Current Positive
Voltage Regulators
The MC78M00/MC78M00A Series positive voltage regulators are
identical to the popular MC7800 Series devices, except that they are
specified for only half the output current. Like the MC7800 devices,
the MC78M00 three–terminal regulators are intended for local,
on–card voltage regulation.
Internal current limiting, thermal shutdown circuitry and safe–area
compensation for the internal pass transistor combine to make these
devices remarkably rugged under most operating conditions.
Maximum output current, with adequate heatsinking is 500 mA.
• No External Components Required
• Internal Thermal Overload Protection
• Internal Short Circuit Current Limiting
• Output Transistor Safe–Area Compensation
• MC78M00A High Accuracy (±2%) Available for 5.0 V, 8.0 V, 12 V
and 15 V
Representative Schematic Diagram
1.0 k 1.0 k
300
3.6
k
6.4
k
210
6.7
V 16 k
1.0 k
100
200
3.0 k
5.6 k
300
6.0 k
2.0 k 3.9 k
40
pF
50 200
Input
0.24
13
Output
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1
2
3
MARKING
DIAGRAMS
TO–220
T SUFFIX
CASE 221A
Heatsink surface
connected to Pin 2.
MC
78MxxZT
ALYWW
1
3
DPAK
DT SUFFIX
CASE 369A
8MxxZ
ALYWW
Heatsink surface (shown as terminal 4 in
case outline drawing) is connected to Pin 2.
Pin 1. Input
2. Ground
3. Output
xx = Voltage Option
Z = A, B, or C Option
A = Assembly Location
WL, L = Wafer Lot
YY, Y = Year
WW, W = Work Week
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 10 of this data sheet.
6.0 2.8 k
k
This device contains 28 active transistors.
Gnd
© Semiconductor Components Industries, LLC, 2000
April, 2000 – Rev. 7
1
Publication Order Number:
MC78M00/D
1 page  
MC78M00, MC78M00A Series
MC78M15C/AC/B ELECTRICAL CHARACTERISTICS (VI = 23 V, IO = 350 mA, 0°C < TJ < 125°C, PD ≤ 5.0 W,
unless otherwise noted.)
Characteristics
Symbol Min Typ Max
Output Voltage (TJ = 25°C)
MC78M15C
MC78M15AC
Output Voltage Variation
(17.5 Vdc ≤ VI ≤ 30 Vdc, 5.0 mA ≤ IO ≤ 350 mA)
MC78M15C
MC78M15AC
Input Regulation
(TJ = 25°C, 17.5 Vdc ≤ VI ≤ 30 Vdc, IO = 200 mA)
Load Regulation
(TJ = 25°C, 5.0 mA ≤ IO ≤ 500 mA)
(TJ = 25°C, 5.0 mA ≤ IO ≤ 200 mA)
Input Bias Current (TJ = 25°C)
Quiescent Current Change
(17.5 Vdc ≤ VI ≤ 30 Vdc, IO = 200 mA)
(5.0 mA ≤ IO ≤ 350 mA)
Output Noise Voltage (TA = 25°C, 10 Hz ≤ f ≤ 100 kHz)
Ripple Rejection
(IO = 100 mA, f = 120 Hz, 18.5 V ≤ VI ≤ 28.5 V)
(IO = 300 mA, f = 120 Hz, 18.5 V ≤ VI ≤ 28.5 V, TJ = 25°C)
Dropout Voltage
(TJ = 25°C)
Short Circuit Current Limit (TJ = 25°C, VI = 35 V)
Average Temperature Coefficient of Output Voltage
(IO = 5.0 mA)
Peak Output Current
(TJ = 25°C)
VO
14.4 15 15.6
14.7 15 15.3
VO
14.25 – 15.75
14.40 – 15.60
Regline
–
10 50
Regload
IIB
∆IIB
Vn
RR
VI–VO
–
–
–
–
–
–
54
54
–
25 300
10 150
3.2 6.0
– 0.8
– 0.5
90 –
––
70 –
2.0 –
IOS – 50 –
∆VO/∆T – ±0.3 –
IO – 700 –
Unit
Vdc
Vdc
mV
mV
mA
mA
µV
dB
Vdc
mA
mV/°C
mA
MC78M18C ELECTRICAL CHARACTERISTICS (VI = 27 V, IO = 350 mA, 0°C < TJ < 125°C, PD ≤ 5.0 W, unless otherwise noted.)
Characteristics
Symbol Min Typ Max Unit
Output Voltage (TJ = 25°C)
Output Voltage Variation
(21 Vdc ≤ VI ≤ 33 Vdc, 5.0 mA ≤ IO ≤ 350 mA)
Line Regulation
(TJ = 25°C, 21 Vdc ≤ VI ≤ 33 Vdc, IO = 200 mA)
Load Regulation
(TJ = 25°C, 5.0 mA ≤ IO ≤ 500 mA)
(TJ = 25°C, 5.0 mA ≤ IO ≤ 200 mA)
Input Bias Current (TJ = 25°C)
Quiescent Current Change
(21 Vdc ≤ VI ≤ 33 Vdc, IO = 200 mA)
(5.0 mA ≤ IO ≤ 350 mA)
Output Noise Voltage (TA = 25°C, 10 Hz ≤ f ≤ 100 kHz)
Ripple Rejection
(IO = 100 mA, f = 120 Hz, 22 V ≤ VI ≤ 32 V)
(IO = 300 mA, f = 120 Hz, 22 V ≤ VI ≤ 32 V, TJ = 25°C)
Dropout Voltage
(TJ = 25°C)
Short Circuit Current Limit (TJ = 25°C, VI = 35 V)
Average Temperature Coefficient of Output Voltage
(IO = 5.0 mA)
Peak Output Current
(TJ = 25°C)
VO 17.3 18 18.7 Vdc
VO 17.1 – 18.9 Vdc
Regline
–
10 50 mV
Regload
IIB
∆IIB
Vn
RR
VI–VO
–
–
–
–
–
–
53
53
–
mV
30 360
10 180
3.2 6.5 mA
mA
– 0.8
– 0.5
100 –
µV
dB
––
70 –
2.0 – Vdc
IOS – 50 – mA
∆VO/∆T – ±0.3 – mV/°C
IO – 700 – mA
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5
5 Page 
MC78M00, MC78M00A Series
PACKAGE DIMENSIONS
TO–220
T SUFFIX
CASE 221A–09
ISSUE AA
Q
H
Z
B
4
1 23
F
T
–T–
SEATING
PLANE
C
S
A
U
K
L
V
G
N
D
R
J
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. DIMENSION Z DEFINES A ZONE WHERE ALL
BODY AND LEAD IRREGULARITIES ARE
ALLOWED.
INCHES
DIM MIN MAX
A 0.570 0.620
B 0.380 0.405
C 0.160 0.190
D 0.025 0.035
F 0.142 0.147
G 0.095 0.105
H 0.110 0.155
J 0.018 0.025
K 0.500 0.562
L 0.045 0.060
N 0.190 0.210
Q 0.100 0.120
R 0.080 0.110
S 0.045 0.055
T 0.235 0.255
U 0.000 0.050
V 0.045 –––
Z ––– 0.080
MILLIMETERS
MIN MAX
14.48 15.75
9.66 10.28
4.07 4.82
0.64 0.88
3.61 3.73
2.42 2.66
2.80 3.93
0.46 0.64
12.70 14.27
1.15 1.52
4.83 5.33
2.54 3.04
2.04 2.79
1.15 1.39
5.97 6.47
0.00 1.27
1.15 –––
––– 2.04
DPAK
DT SUFFIX
CASE 369A–13
ISSUE Z
B
VR
–T–
SEATING
PLANE
C
E
S
F
4
1 23
A
K
J
LH
D 2 PL
G 0.13 (0.005) M T
U
Z
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
INCHES
DIM MIN MAX
A 0.235 0.250
B 0.250 0.265
C 0.086 0.094
D 0.027 0.035
E 0.033 0.040
F 0.037 0.047
G 0.180 BSC
H 0.034 0.040
J 0.018 0.023
K 0.102 0.114
L 0.090 BSC
R 0.175 0.215
S 0.020 0.050
U 0.020 –––
V 0.030 0.050
Z 0.138 –––
MILLIMETERS
MIN MAX
5.97 6.35
6.35 6.73
2.19 2.38
0.69 0.88
0.84 1.01
0.94 1.19
4.58 BSC
0.87 1.01
0.46 0.58
2.60 2.89
2.29 BSC
4.45 5.46
0.51 1.27
0.51 –––
0.77 1.27
3.51 –––
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11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet MC78M18CDT.PDF ] | |
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