UNISONIC TECHNOLOGIES CO., LTD
78DXX
3-TERMINALS 0.5A POSITIVE
VOLTAGE REGULATOR
DESCRIPTION
The UTC
78DXX
family is monolithic fixed voltage regulator
integrated circuit. They are suitable for applications that required
supply current up to 0.5 A.
LINEAR INTEGRATED CIRCUIT
FEATURE
* Output Current Up To 0.5 A
* Fixed Output Voltage Of 5V, 6V, 8V, 9V, 12V, 15V and 18V
Available
* Thermal Overload Shutdown Protection
* Short Circuit Current Limiting
* Output Transistor SOA Protection
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
78DXXL-AA3-R
78DXXG-AA3-R
78DXXL-TM3-T
78DXXG-TM3-T
78DXXL-TN3-R
78DXXG-TN3-R
78DXXL-TN3-T
78DXXG-TN3-T
78DXXL-TNA-R
78DXXG-TNA-R
78DXXL-TNA-T
78DXXG-TNA-T
Note: 1. XX: Output Voltage, refer to Marking Information
2. Pin Code: I: Input
G: GND O: Output
Package
SOT-223
TO-251
TO-252
TO-252
TO-252-3
TO-252-3
Pin Assignment
1
2
3
I
G
O
I
G
O
I
G
O
I
G
O
I
G
O
I
G
O
Packing
Tape Reel
Tube
Tape Reel
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Copyright © 2013 Unisonic Technologies Co., Ltd
1 of 8
QW-R101-005,U
78DXX
MARKING INFORMATION
PACKAGE
VOLTAGE CODE
LINEAR INTEGRATED CIRCUIT
MARKING
SOT-223
05: 5V
06: 6V
08: 8V
09: 9V
12: 12V
15: 15V
18: 18V
TO-251
TO-252
TO-252-3
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2 of 8
QW-R101-005,U
78DXX
BLOCK DIAGRAM
LINEAR INTEGRATED CIRCUIT
1 INPUT
R13
T10
R17
T8
R9
T9
Z2
T12
T14
R19
R18
R12
R11
R10
R14
T11
T5
T6
R15
Z1
T15
R5
T13
3 OUTPUT
R8
T4
R4
R6
T7
R16
R1
R2
C1
T3
R7
T1
T2
R3
2 GND
TYPICAL APPLICATION CIRCUIT
V
IN
1
UTC78DXX
2
3
Vo
UT
C
I
=0.33
μF
C
O
=0.1
μF
Note: Bypass capacitors are recommended for optimum stability and transient response and should be located as
close as possible to the regulators.
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3 of 8
QW-R101-005,U
78DXX
PARAMETER
Input Voltage
Output Current
Power Dissipation (T
C
=25°C)
SOT-223
TO-251 / TO-252
TO-252-3
LINEAR INTEGRATED CIRCUIT
SYMBOL
V
IN
I
OUT
P
D
RATINGS
35
0.5
8.5
10
UNIT
V
A
W
ABSOLUTE MAXIMUM RATINGS
(T
J
=25°C, unless otherwise specified)
Operating Junction Temperature
T
J
-20~ +150
°C
Storage Temperature
T
STG
-65 ~ +150
°C
Notes: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
THERMAL DATA
PARAMETER
Junction to Case
SOT-223
TO-251 / TO-252
TO-252-3
SYMBOL
θ
JC
RATINGS
15
12.5
UNIT
°C/W
ELECTRICAL CHARACTERISTICS
(T
J
=25°C, C
I
=0.33μF, C
O
=0.1μF, P
D
≤7W,
unless otherwise specified)
For 78D05
(V
IN
=10V, I
OUT
=0.5A)
PARAMETER
SYMBOL
TEST CONDITIONS
I
OUT
=5mA~0.5A
Output Voltage
V
OUT
V
IN
=7.5~20V,I
OUT
=5mA~0.5A
I
OUT
=5mA~0.5A
Load Regulation
ΔV
OUT
I
OUT
=5mA~200 mA
V
IN
=7V~25V
Line Regulation
ΔV
OUT
V
IN
=7.5~20V, I
OUT
=0.5A
Quiescent Current
I
Q
I
OUT
=0.5A
V
UT
=7.5~20V
Quiescent Current Change
ΔI
Q
I
OUT
=5mA~0.5A
Output Noise Voltage
eN
10Hz≤f≤100kHz
Temperature coefficient of V
OUT
ΔV
OUT
/ΔT I
OUT
=5mA
Ripple Rejection
RR
V
IN
=8~18V,f=120Hz
Peak Output Current
I
PEAK
Short-Circuit Current
I
SC
V
IN
=V
OUT
+19V
Dropout Voltage
V
D
MIN
4.8
4.75
TYP
5
MAX
5.2
5.25
50
25
50
50
8
1
0.5
62
40
-0.6
80
1.2
250
2
UNIT
V
V
mV
mV
mV
mV
mA
mA
mA
μV
mV/°C
dB
A
mA
V
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4 of 8
QW-R101-005,U
78DXX
ELECTRICAL CHARACTERISTICS (Cont.)
For 78D06
(V
IN
=11V, I
OUT
=0.5A)
PARAMETER
Output Voltage
Load Regulation
Line Regulation
Quiescent Current
Quiescent Current Change
Output Noise Voltage
Temperature coefficient of V
OUT
Ripple Rejection
Peak Output Current
Short-Circuit Current
Dropout Voltage
For 78D08
(V
IN
=14V, I
OUT
=0.5A)
PARAMETER
Output Voltage
Load Regulation
Line Regulation
Quiescent Current
Quiescent Current Change
Output Noise Voltage
Temperature coefficient of V
OUT
Ripple Rejection
Peak Output Current
Short-Circuit Current
Dropout Voltage
For 78D09
(V
IN
=15V, I
OUT
=0.5A)
PARAMETER
Output Voltage
Load Regulation
Line Regulation
Quiescent Current
Quiescent Current Change
Output Noise Voltage
Temperature coefficient of V
OUT
Ripple Rejection
Peak Output Current
Short-Circuit Current
Dropout Voltage
SYMBOL
LINEAR INTEGRATED CIRCUIT
TEST CONDITIONS
I
OUT
=5mA~0.5A
V
OUT
V
IN
=8.5~21V,I
OUT
=5mA~0.5A
I
OUT
=5mA~0.5A
ΔV
OUT
I
OUT
=5mA~200mA
V
IN
=8~25V
ΔV
OUT
V
IN
=8.5~21V, I
OUT
=0.5A
I
Q
I
OUT
=0.5A
V
IN
=8.5~21V
ΔI
Q
I
OUT
=5mA~0.5A
eN
10Hz≤f≤100kHz
ΔV
OUT
/ΔT I
OUT
=5mA
RR
V
IN
=9~19V,f=120Hz
I
PEAK
I
SC
V
IN
=V
OUT
+19V
V
D
TEST CONDITIONS
I
OUT
=5mA~0.5A
V
OUT
V
IN
=10.5~23V, I
OUT
=5mA~0.5A
I
OUT
=5mA~0.5A
ΔV
OUT
I
OUT
=5mA~200mA
V
IN
=10.5~25V
ΔV
OUT
V
IN
=10.5~23V, I
OUT
=0.5A
I
Q
I
OUT
=0.5A
V
IN
=10.5~23V
ΔI
Q
I
OUT
=5mA~0.5A
eN
10Hz≤f≤100kHz
ΔV
OUT
/ΔT I
OUT
=5mA
RR
V
IN
=11.5~21.5V, f=120Hz
I
PEAK
I
SC
V
IN
=V
OUT
+19V
V
D
TEST CONDITIONS
I
OUT
=5mA~0.5A
V
OUT
V
IN
=11.5~24V,I
OUT
=5mA~0.5A
I
OUT
=5mA~0.5A
ΔV
OUT
I
OUT
=5mA~200mA
V
IN
=11.5~25V
ΔV
OUT
V
IN
=11.5~24V, I
OUT
=0.5A
I
Q
I
OUT
=0.5A
V
IN
=11.5~24V
ΔI
Q
I
OUT
=5mA~0.5A
eN
10Hz≤f≤100kHz
ΔV
OUT
/ΔT I
OUT
=5mA
RR
V
IN
=12.5~22.5V,f=120Hz
I
PEAK
I
SC
V
IN
=V
OUT
+19V
V
D
SYMBOL
SYMBOL
MIN
5.76
5.7
TYP
6
MAX
6.24
6.3
60
30
60
60
8
1
0.5
59
45
-0.7
75
1.2
250
2
TYP
8
MAX
8.32
8.4
80
40
80
80
8
1
0.5
UNIT
V
V
mV
mV
mV
mV
mA
mA
mA
μV
mV/°C
dB
A
mA
V
UNIT
V
V
mV
mV
mV
mV
mA
mA
mA
μV
mV/°C
dB
A
mA
V
UNIT
V
V
mV
mV
mV
mV
mA
mA
mA
μV
mV/°C
dB
A
mA
V
5 of 8
MIN
7.68
7.6
56
58
-0.9
72
1.2
250
2
TYP
9
MAX
9.36
9.45
90
45
90
90
8
1
0.5
MIN
8.64
8.55
56
58
-1.1
72
1.2
250
2
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
QW-R101-005,U
PCB Design
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