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  ON Semiconductor Electronic Components Datasheet  

7805CT Datasheet

1.0A Positive VoltageRegulators

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MC7800, MC7800A,
MC7800AE, NCV7800
1.0 A 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.
Features
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 1.5%, 2% and 4% Tolerance
Available in Surface Mount D2PAK−3, DPAK−3 and Standard
3−Lead Transistor Packages
NCV Prefix for Automotive and Other Applications Requiring
Unique Site and Control Change Requirements; AEC−Q100
Qualified and PPAP Capable
These are Pb−Free Devices
MAXIMUM RATINGS (TA = 25°C, unless otherwise noted)
Value
Unit
Rating
Symbol 369C 221A
Input Voltage
(5.0 − 18 V)
(24 V)
VI
35
40
936
Vdc
Power Dissipation
Thermal Resistance,
Junction−to−Ambient
PD
RqJA
Internally Limited
W
92 65 Figure °C/W
15
Thermal Resistance,
Junction−to−Case
RqJC 5.0 5.0 5.0 °C/W
Storage Junction Temperature
Range
Tstg
−65 to +150
°C
Operating Junction Temperature
TJ
+150
°C
Stresses exceeding those listed in the Maximum Ratings table may damage the
device. If any of these limits are exceeded, device functionality should not be
assumed, damage may occur and reliability may be affected.
*This device series contains ESD protection and exceeds the following tests:
Human Body Model 2000 V per MIL_STD_883, Method 3015.
Machine Model Method 200 V.
© Semiconductor Components Industries, LLC, 2014
November, 2014 − Rev. 27
1
http://onsemi.com
1
2
3
TO−220
T SUFFIX
CASE 221AB
Heatsink surface
connected to Pin 2.
Pin 1. Input
D2PAK−3
2. Ground D2T SUFFIX
1 3. Output CASE 936
3
Heatsink surface (shown as terminal 4 in
case outline drawing) is connected to Pin 2.
4
12
3
DPAK−3
DT SUFFIX
CASE 369C
STANDARD APPLICATION
Input
Cin*
0.33 mF
MC78XX
Output
CO**
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 mF could cause instability.
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 23 of this data sheet.
DEVICE MARKING INFORMATION
See general marking information in the device marking
section on page 28 of this data sheet.
Publication Order Number:
MC7800/D


  ON Semiconductor Electronic Components Datasheet  

7805CT Datasheet

1.0A Positive VoltageRegulators

No Preview Available !

MC7800, MC7800A, MC7800AE, NCV7800
R18
100 k
D1
Zener
MC7800
LAT
Q17
R24
50
LAT 3 A
Q18
Q19
QNPN
D2
Zener
R19
27.5 k
C3 1.0 P
Q10
QNPN
R22
100
R14
1.0 k
R15
R21 680
600
Q7
QNPN
R17
9.0 k
R1
10.66 k
Q5
QNPN 2
Q9
QNPN 2
Q6
QNPN
R11
15 k
R2
1.56 k
Q8
QNPN
Q14
QNPN
R5
4.5 k
C2
3.0 P
Q1
QNPN 6
Q13
QNPN
R6
1.0 k
Q15
QNPN
R20
17500
Q12
QNPN
R16 R10
600 3340-(3316ACT)
R12
3.0 k
R25
6.0 k
R26
3.0 k
R9
3.0 k
C1
N+ 30 P
Q4
QNPN
Q2 Q16
QNPN 4
Diode
Q3
QNPN
SUB
Q11 2
R13
11660
R7 R3
14 k 1.8 k
R8
5.0 k
Q20
QNPN
R23
0.2
Vin
R30
18 k
R29
9.0 k
R28
9.0 k
R27
9.0 k
Vout
5.01
Sense
This device contains 22 active transistors.
Figure 1. Representative Schematic Diagram
http://onsemi.com
2


Part Number 7805CT
Description 1.0A Positive VoltageRegulators
Maker ON Semiconductor
Total Page 30 Pages
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