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PDF ( 数据手册 , 数据表 ) MC7815

零件编号 MC7815
描述 (MC7800 Series) Three Terminal Positive Fixed Voltage Regulators
制造商 Motorola Semiconductor
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MC7815 数据手册, 描述, 功能
( DataSheet : www.DataSheet4U.com )
Order this document by MC7800/D
MC7800
Series
Three-Terminal Positive
Voltage Regulators
These voltage regulators are monolithic integrated circuits designed as
fixed–voltage regulators for a wide variety of applications including local,
on–card regulation. These regulators employ internal current limiting,
thermal shutdown, and safe–area compensation. With adequate heatsinking
they can deliver output currents in excess of 1.0 A. Although designed
primarily as a fixed voltage regulator, these devices can be used with
external components to obtain adjustable voltages and currents.
Output Current in Excess of 1.0 A
No External Components Required
Internal Thermal Overload Protection
Internal Short Circuit Current Limiting
Output Transistor Safe–Area Compensation
Output Voltage Offered in 2% and 4% Tolerance
Available in Surface Mount D2PAK and Standard 3–Lead Transistor
Packages
THREE–TERMINAL
POSITIVE FIXED
VOLTAGE REGULATORS
SEMICONDUCTOR
TECHNICAL DATA
T SUFFIX
PLASTIC PACKAGE
CASE 221A
Heatsink surface
connected to Pin 2.
1
2
3
Pin 1. Input
2. Ground
3. Output
D2T SUFFIX
PLASTIC PACKAGE
CASE 936
(D2PAK)
12
3
Heatsink surface (shown as terminal 4 in
case outline drawing) is connected to Pin 2.
DEVICE TYPE/NOMINAL OUTPUT VOLTAGE
MC7805
MC7806
MC7808
MC7809
5.0 V
6.0 V
8.0 V
9.0 V
MC7812
MC7815
MC7818
MC7824
12 V
15 V
18 V
24 V
STANDARD APPLICATION
Input
Cin*
0.33 µF
MC78XX
Output
CO**
ORDERING INFORMATION
Device
Output Voltage Tested Operating
Tolerance
Temperature Range
Package
MC78XXACT
Insertion Mount
2%
MC78XXACD2T
Surface Mount
MC78XXCT
TJ = 0° to +125°C
Insertion Mount
MC78XXCD2T
MC78XXBT
MC78XXBD2T
Surface Mount
4%
Insertion Mount
TJ = – 40° to +125°C Surface Mount
XX indicates nominal voltage.
A common ground is required between the input
and the output voltages. The input voltage must
remain typically 2.0 V above the output voltage
even during the low point on the input ripple
voltage.
XX, these two digits of the type number
indicate nominal voltage.
** Cin is required if regulator is located an
appreciable distance from power supply
filter.
** CO is not needed for stability; however,
it does improve transient response. Values
of less than 0.1 µF could cause instability.
www.DataSheet4U.com
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MOTOROLA ANALOG IC DEVICE DATA
© Motorola, Inc. 1995
Rev 4
1







MC7815 pdf, 数据表
MC7800 Series
ELECTRICAL CHARACTERISTICS (continued) (Vin = 19 V, IO = 500 mA, TJ = Tlow to Thigh [Note 1], unless otherwise noted.)
MC7812B
MC7812C
Characteristic
Symbol Min Typ Max Min Typ Max Unit
Output Noise Voltage (TA = 25°C)
10 Hz f 100 kHz
Vn µV/VO
– 10 –
– 10 –
Output Resistance f = 1.0 kHz
Short Circuit Current Limit (TA = 25°C)
Vin = 35 Vdc
rO – 1.1 –
ISC
– 0.2 –
– 1.1 – m
– 0.2 –
A
Peak Output Current (TJ = 25°C)
Average Temperature Coefficient of Output Voltage
Imax – 2.2 –
TCVO – – 0.8 –
– 2.2 –
A
– – 0.8 – mV/°C
ELECTRICAL CHARACTERISTICS (Vin = 19 V, IO = 10 A, TJ = Tlow to Thigh [Note 1], unless otherwise noted.)
MC7812AC
Characteristic
Symbol Min Typ Max Unit
Output Voltage (TJ = 25°C)
Output Voltage
(5.0 mA IO 1.0 A, PD 15 W)
14.8 Vdc Vin 27 Vdc
VO 11.75 12 12.25 Vdc
VO Vdc
11.5 12 12.5
Line Regulation (Note 2)
14.8 Vdc Vin 30 Vdc, IO = 500 mA
16 Vdc Vin 22 Vdc
16 Vdc Vin 22 Vdc, TJ = 25°C
14.5 Vdc Vin 27 Vdc, TJ = 25°C
Regline
mV
7.5 120
2.2 120
2.2 60
6.0 120
Load Regulation (Note 2)
5.0 mA IO 1.5 A, TJ = 25°C
5.0 mA IO 1.0 A
250 mA IO 750 mA
Quiescent Current
TJ = 25°C
Quiescent Current Change
15 Vdc Vin 30 Vdc, IO = 500 mA
14.8 Vdc Vin 27 Vdc, TJ = 25°C
5.0 mA IO 1.0 A
Ripple Rejection
15 Vdc Vin 25 Vdc, f = 120 Hz, IO = 500 mA
Dropout Voltage (IO = 1.0 A, TJ = 25°C)
Output Noise Voltage (TA = 25°C)
10 Hz f 100 kHz
Regload
IB
IB
RR
VI – VO
Vn
mV
1.6 100
1.2 100
1.0 50
– 6.0 mA
3.4 6.0
mA
– 0.8
– 0.8
– 0.5
dB
60 –
2.0 – Vdc
µV/VO
10 –
Output Resistance (f = 1.0 kHz)
rO – 1.1 – m
Short Circuit Current Limit (TA = 25°C)
Vin = 35 Vdc
ISC A
– 0.2 –
Peak Output Current (TJ = 25°C)
Imax – 2.2 –
A
Average Temperature Coefficient of Output Voltage
TCVO – – 0.8 – mV/°C
NOTES:
1. Tlow = 0°C for MC78XXAC, C Thigh = +125°C for MC78XXAC, C, B
= – 40°C for MC78XXB
2. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account
separately. Pulse testing with low duty cycle is used.
8 MOTOROLA ANALOG IC DEVICE DATA







MC7815 equivalent, schematic
BF
T
Q
H
Z
4
1 23
A
K
U
L
V
G
N
D
MC7800 Series
OUTLINE DIMENSIONS
T SUFFIX
PLASTIC PACKAGE
CASE 221A–06
ISSUE Y
–T–
SEATING
PLANE
C
S
R
J
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. DIM Z DEFINES A ZONE WHERE ALL BODY AND
LEAD IRREGULARITIES ARE ALLOWED.
INCHES
MILLIMETERS
DIM MIN MAX MIN MAX
A 0.570 0.620 14.48 15.75
B 0.380 0.405 9.66 10.28
C 0.160 0.190 4.07 4.82
D 0.025 0.035 0.64 0.88
F 0.142 0.147 3.61 3.73
G 0.095 0.105 2.42 2.66
H 0.110 0.155 2.80 3.93
J 0.018 0.025 0.46 0.64
K 0.500 0.562 12.70 14.27
L 0.045 0.060 1.15 1.52
N 0.190 0.210 4.83 5.33
Q 0.100 0.120 2.54 3.04
R 0.080 0.110 2.04 2.79
S 0.045 0.055 1.15 1.39
T 0.235 0.255 5.97 6.47
U 0.000 0.050 0.00 1.27
V 0.045
– 1.15
Z – 0.080 – 2.04
A
K
B
F
12
3
J
D
0.010 (0.254) M T
G
D2T SUFFIX
PLASTIC PACKAGE
CASE 936–03
(D2PAK)
ISSUE B
–T–
E
TERMINAL 4
U
S
H
V
M
L
P
N
R
C
NOTES:
1 DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2 CONTROLLING DIMENSION: INCH.
3 TAB CONTOUR OPTIONAL WITHIN DIMENSIONS
A AND K.
4 DIMENSIONS U AND V ESTABLISH A MINIMUM
MOUNTING SURFACE FOR TERMINAL 4.
5 DIMENSIONS A AND B DO NOT INCLUDE MOLD
FLASH OR GATE PROTRUSIONS. MOLD FLASH
AND GATE PROTRUSIONS NOT TO EXCEED
0.025 (0.635) MAXIMUM.
INCHES
MILLIMETERS
DIM MIN MAX MIN MAX
A 0.386 0.403 9.804 10.236
B 0.356 0.368 9.042 9.347
C 0.170 0.180 4.318 4.572
D 0.026 0.036 0.660 0.914
E 0.045 0.055 1.143 1.397
F 0.051 REF
1.295 REF
G 0.100 BSC
2.540 BSC
H 0.539 0.579 13.691 14.707
J 0.125 MAX
3.175 MAX
K 0.050 REF
1.270 REF
L 0.000 0.010 0.000 0.254
M 0.088 0.102 2.235 2.591
N 0.018 0.026 0.457 0.660
P 0.058 0.078 1.473 1.981
R 5_ REF
5_ REF
S 0.116 REF
2.946 REF
U 0.200 MIN
5.080 MIN
V 0.250 MIN
6.350 MIN
Literature Distribution Centers:
USA/EUROPE: Motorola Literature Distribution; P.O. Box 20912; Phoenix, Arizona 85036.
JAPAN: Nippon Motorola Ltd.; 4–32–1, Nishi–Gotanda, Shinagawa–ku, Tokyo 141, Japan.
ASIA PACIFIC: Motorola Semiconductors H.K. Ltd.; Silicon Harbour Center, No. 2 Dai King Street, Tai Po Industrial Estate, Tai Po, N.T., Hong Kong.
*MC7800/D*16
CODELINE TO BE PLACED HERE
MOTOROLA ANALOG IC DEVMICCE78D00A/DTA










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