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PDF ( 数据手册 , 数据表 ) MC7809AE

零件编号 MC7809AE
描述 3-Terminal 1A Positive Voltage Regulator
制造商 Fairchild Semiconductor
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MC7809AE 数据手册, 描述, 功能
www.fairchildsemi.com
MC78XXE/LM78XXE/MC78XXAE
3-Terminal 1A Positive Voltage Regulator
Features
• Output Current up to 1A
• Output Voltages of 5, 6, 8, 9, 12, 15, 18, 24V
• Thermal Overload Protection
• Short Circuit Protection
• Output Transistor Safe Operating Area Protection
Description
The MC78XXE/LM78XXE/MC78XXAE series of three
terminal positive regulators are available in the
TO-220/D-PAK package and with several fixed output
voltages, making them useful in a wide range of
applications. Each type employs internal current limiting,
thermal shut down and safe operating area protection,
making it essentially indestructible. If adequate heat sinking
is provided, they can deliver over 1A output current.
Although designed primarily as fixed voltage regulators,
these devices can be used with external components to
obtain adjustable voltages and currents.
TO-220
GND
Internal Block Digram
1
D-PAK
GND
1
1. Input 2. GND 3. Output
INPUT
1
CURRENT
GENERATOR
STARTING
CIRCUIT
REFERENCE
VOLTAGE
SERIES
PASS
ELEMENT
SOA
PROTECTION
ERROR
AMPLIFIER
OUTPUT
3
©2003 Fairchild Semiconductor Corporation
THERMAL
PROTECTION
GND
2
Rev. 1.0.0







MC7809AE pdf, 数据表
MC78XXE/LM78XXE/MC78XXAE
Electrical Characteristics (MC7818E) (Continued)
(Refer to test circuit ,0°C < TJ < 125°C, IO = 500mA, VI = 27V, CI = 0.33µF, CO= 0.1µF, unless otherwise specified)
Parameter
Symbol
Conditions
Output Voltage
Line Regulation (Note1)
Load Regulation (Note1)
Quiescent Current
Quiescent Current Change
Output Voltage Drift (Note2)
Output Noise Voltage
Ripple Rejection (Note2)
Dropout Voltage
Output Resistance (Note2)
Short Circuit Current
Peak Current (Note2)
VO
Regline
Regload
IQ
IQ
VO/T
VN
RR
VDrop
rO
ISC
IPK
TJ =+25°C
5.0mA IO 1.0A, PO 15W
VI = 21V to 33V
TJ =+25°C
VI = 21V to 33V
VI = 24V to 30V
TJ =+25°C
IO = 5mA to 1.5A
IO = 250mA to 750mA
TJ = +25°C
IO = 5mA to 1.0A
VI = 21V to 33V
IO = 5mA
f = 10Hz to 100kHz, TA = +25°C
f = 120Hz
VI = 22V to 32V
IO = 1A, TJ = +25°C
f = 1kHz
VI = 35V, TA = +25°C
TJ = +25°C
MC7818E
Min. Typ. Max.
17.3 18 18.7
17.1 18 18.9
Unit
V
- 15 360
mV
- 5 180
- 15 360
mV
- 5.0 180
- 5.2 8.0 mA
- - 0.5
mA
- -1
- -1 - mV/°C
- 110 - µV/Vo
53 69 -
dB
- 2-
- 22 -
- 250 -
- 2.2 -
V
m
mA
A
Note:
1. 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 is used.
2. These parameters, although guaranteed, are not 100% tested in production.
8







MC7809AE equivalent, schematic
MC78XXE/LM78XXE/MC78XXAE
Electrical Characteristics (MC7818AE) (Continued)
(Refer to the test circuits. 0°C < TJ < 125°C, Io =1A, V I = 27V, C I=0.33µF, C O=0.1µF, unless otherwise specified)
Parameter
Output Voltage
Line Regulation (Note1)
Load Regulation (Note1)
Quiescent Current
Quiescent Current Change
Output Voltage Drift (Note2)
Output Noise Voltage
Ripple Rejection (Note2)
Dropout Voltage
Output Resistance (Note2)
Short Circuit Current
Peak Current (Note2)
Symbol
VO
Regline
Regload
IQ
IQ
V/T
VN
RR
VDrop
rO
ISC
IPK
Conditions
TJ =+25°C
IO = 5mA to 1A, PO 15W
VI = 21V to 33V
VI= 21V to 33V, IO = 500mA
VI= 21V to 33V
TJ =+25°C
VI= 20.6V to 33V
VI= 24V to 30V
TJ =+25°C, IO = 5mA to 1.5A
IO = 5mA to 1.0A
IO = 250mA to 750mA
TJ =+25°C
VI = 21V to 33V, TJ=+25°C
VI = 21V to 33V, IO = 500mA
IO = 5mA to 1.0A
IO = 5mA
f = 10Hz to 100kHz
TA =+25°C
f = 120Hz, IO = 500mA
VI = 22V to 32V
IO = 1A, TJ =+25°C
f = 1kHz
VI= 35V, TA =+25°C
TJ=+25°C
Min. Typ. Max.
17.64 18 18.36
17.3 18 18.7
Unit
V
- 15 180
- 5 180
mV
- 15 180
- 5 90
- 15 100
- 15 100 mV
- 7 50
- 5.2 6.0 mA
- - 0.8
- - 0.8 mA
- - 0.5
- -1.0 - mV/°C
- 10 - µV/Vo
- 57 -
- 2.0 -
- 19 -
- 250 -
- 2.2 -
dB
V
m
mA
A
Note:
1. Load and line regulation are specified at constant junction temperature. Change in VO due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
2. These parameters, although guaranteed, are not 100% tested in production.
16










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