파트넘버.co.kr MC7805 데이터시트 PDF


MC7805 반도체 회로 부품 판매점

(MC7800 Series) Three Terminal Positive Fixed Voltage Regulators



Motorola Semiconductor 로고
Motorola Semiconductor
MC7805 데이터시트, 핀배열, 회로
( 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
www.DataSheet4U.com
MOTOROLA ANALOG IC DEVICE DATA
© Motorola, Inc. 1995
Rev 4
1


MC7805 데이터시트, 핀배열, 회로
MC7800 Series
MAXIMUM RATINGS (TA = 25°C unless otherwise noted.)
Rating
Symbol
Input Voltage (5.0 – 18 V)
(24 V)
VI
Power Dissipation
Case 221A
TA = 25°C
Thermal Resistance, Junction–to–Ambient
Thermal Resistance, Junction–to–Case
Case 936 (D2PAK)
TA = 25°C
Thermal Resistance, Junction–to–Ambient
Thermal Resistance, Junction–to–Case
Storage Junction Temperature Range
Operating Junction Temperature
PD
RθJA
RθJC
PD
RθJA
RθJA
Tstg
TJ
Value
35
40
Internally Limited
65
5.0
Internally Limited
See Figure 13
5.0
– 65 to +150
+150
Unit
Vdc
W
°C/W
°C/W
W
°C/W
°C/W
°C
°C
R18
100 k
D1
Zener
Representative Schematic Diagram
MC7800
LAT
Q17
Q7
QNPN
R17
9.0 k
R1
10.66 k
Q5
QNPN 2
Q9
QNPN 2
Q6
QNPN
R11
15 k
Q8
QNPN
R2
1.56 k
Q14
QNPN
R5
4.5 k
C2
3.0P
R6
1.0 k
R24
50
LAT 3A
Q18
C3 1.0P
Q10
QNPN
R22
100
Q19
QNPN
D2
Zener
R19
27.5 k
R14
1.0 k
R21
R15
680
600
Q15
QNPN
R20
17500
Q12
QNPN
R12
3.0 k
R25
6.0 k
R16
600
R10
3340–(3316ACT)
R26
3.0 k
Q1
QNPN 6
Q13
QNPN
R7
14 k
R9
3.0 k
C1
N+ 30P
Q4
QNPN
Q2 Q16
QNPN 4
Diode
Q3
QNPN
R3 R8
1.8 k 5.0 k
SUB
Q11 2
R13
11660
Q20
QNPN
R23
0.2
Vin
R29
9.0 k
R28
9.0 k
R30
18 k
R27
9.0 k
Vout
5.01
Sense
This device contains 22 active transistors.
2 MOTOROLA ANALOG IC DEVICE DATA




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MC7805 regulator

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