Steren MC7805CT Manual

Steren Ikke kategoriseret MC7805CT

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Side 1/16
SEMICONDUCTOR
TECHNICAL DATA
Order this document by MC7800/D
D2T SUFFIX
PLASTIC PACKAGE
CASE 936
(D2PAK)
THREE–TERMINAL
POSITIVE FIXED
VOLTAGE REGULATORS
STANDARD APPLICATION
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,
MC78XX
Input
Cin
*
0.33
µ
FCO**
Output
Pin 1. Input
2. Ground
3. Output
T SUFFIX
PLASTIC PACKAGE
CASE 221A
Heatsink surface
connected to Pin 2.
Heatsink surface (shown as terminal 4 in
case outline drawing) is connected to Pin 2.
3
1
2
3
12
These two digits of the type number
indicate nominal voltage.
Cin
is required if regulator is located an
appreciable distance from power supply
lter.
CO
is not needed for stability; however,
it does improve transient response. Values
of less than 0.1 µF could cause instability.
*
**
These voltage regulators are monolithic integrated circuits designed as
xed–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 xed 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 Oered in 2% and 4% Tolerance
•Available in Surface Mount D2PAK and Standard 3–Lead Transistor
Packages
•Previous Commercial Temperature Range has been Extended to a
Junction Temperature Range of –40°C to +125 C°
DEVICE TYPE/NOMINAL OUTPUT VOLTAGE
MC7805AC MC7812C
12 V
LM340AT–5
5 0 V
LM340T–12
12
V
MC7805C
5
.
0
V
MC7815AC
LM340T–5 LM340AT–15
15 V
MC7806AC
6 0 V
MC7815C
15
V
MC7806C
6
.
0
V
LM340T–15
MC7808AC
8 0 V
MC7818AC
18 V
MC7808C
8
.
0
V
MC7818C
18
V
MC7809C 9.0 V MC7824AC
24 V
MC7812AC
12 V
MC7824C
24
V
LM340AT–12
12
V
ORDERING INFORMATION
Device
Output Voltage
Tolerance
Operating
Temperature Range Package
MC78XXACT
Insertion Mount
LM340AT–XX 2%
Insertion
Mount
MC78XXACD2T
TJ=
–
40
°
to +125
°
C
Surface Mount
MC78XXCT
T
J = –
40
to
+
125 C
Insertion Mount
LM340T–XX 4%
Insertion
Mount
MC78XXCD2T Surface Mount
XX indicates nominal voltage.
฀Motorola, Inc. 1997 Rev 5
MC7800, MC7800A, LM340, LM340A Series
2MOTOROLA ANALOG IC DEVICE DATA
MAXIMUM RATINGS (TA = 25°C, unless otherwise noted.)
Rating Symbol Value Unit
Input Voltage (5.0 – 18 V) VI35 Vdc
Input Voltage (24 V) 40
Power Dissipation
Case 221A
TA = 25 C P°DInternally Limited W
Thermal Resistance, Junction–to–Ambient R
θJA 65 C/W°
Thermal Resistance, Junction–to–Case RθJC 5.0 C/W°
Case 936 (D2PAK)
TA = 25 C P°DInternally Limited W
Thermal Resistance, Junction–to–Ambient R
θJA See Figure 13 C/W°
Thermal Resistance, Junction–to–Case RθJA 5.0 C/W°
Storage Junction Temperature Range T
stg –65 to +150 C°
Operating Junction Temperature T
J+150 C°
NOTE: ESD data available upon request.
R15
680
R18
100 k
D1
Zener
R1
10.66 k
R2
1.56 k
R17
9.0 k
Q7
QNPN
LAT
Q17
Q9
QNPN 2
Q8
QNPN
Q14
QNPN
Q6
QNPN
Q5
QNPN 2
LAT 3 A
Q18
R5
4.5 k
R6
1.0 k
Q13
QNPN Q2
QNPN 4
SUB
Q11 2
R11
15 k
QNPN 6
Q1
R7
14 k
R3
1.8 k
R8
5.0 k
Diode
Q16
Q4
QNPN
N+
C1
30 P
C2
3.0 P
R9
3.0 k
R16
600
R20
17500
Q15
QNPN
Q10
QNPN
R22
100
Q12
QNPN
R24
50
1.0 P
R21
600 R23
0.2
R19
27.5 k
D2
Zener
Q19
QNPN
R14
1.0 k
Q20
QNPN
R28
9.0 k
R27
9.0 k
R29
9.0 k
R25
6.0 k
R26
3.0 k
R12
3.0 k
R10
3340–(3316ACT)
R30
18 k
Sense
Vout
5.01
Vin
R13
11660
Q3
QNPN
MC7800
C3
Representative Schematic Diagram
This device contains 22 active transistors.

Produkt Specifikationer

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Model: MC7805CT

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