UNISONIC TECHNOLOGIES CO., LTD
78DXXL
3-TERMINALS 0.5A POSITIVE
VOLTAGE REGULATOR
DESCRIPTION
LINEAR INTEGRATED CIRCUIT
The UTC
78DXXL
family is monolithic fixed voltage regulator
integrated circuit. They are suitable for applications that required
supply current up to 0.5 A.
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
Package
SOT-223
SOT-89
TO-251
TO-252
TO-252-3
Pin Assignment
1
2
3
I
G
O
O
G
I
I
G
O
I
G
O
I
G
O
Packing
Tape Reel
Tape Reel
Tube
Tape Reel
Tape Reel
Ordering Number
Lead Free
Halogen Free
-
78DXXLG-AA3-R
-
78DXXLG-AB3-B-R
78DXXLL-TM3-T
78DXXLG-TM3-T
78DXXLL-TN3-R
78DXXLG-TN3-R
78DXXLL-TNA-R
78DXXLG-TNA-R
Note: 1. XX: Output Voltage, refer to Marking Information
2. Pin Code: I: Input
G: GND O: Output
www.unisonic.com.tw
Copyright © 2015 Unisonic Technologies Co., Ltd
1 of 8
QW-R101-036.G
78DXXL
MARKING INFORMATION
PACKAGE
VOLTAGE CODE
LINEAR INTEGRATED CIRCUIT
MARKING
SOT-223
SOT-89
05: 5V
06: 6V
08: 8V
09: 9V
12: 12V
15: 15V
18: 18V
TO-251
TO-252
TO-252-3
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 8
QW-R101-036.G
78DXXL
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
Note: Bypass capacitors are recommended for optimum stability and transient response and should be located as
close as possible to the regulators.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 8
QW-R101-036.G
78DXXL
PARAMETER
SYMBOL
V
IN
I
OUT
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS
(T
J
=25°C, unless otherwise specified)
RATINGS
UNIT
Input Voltage
35
V
Output Current
0.5
A
SOT-223
8.5
Power Dissipation (T
C
=25°C) SOT-89
P
D
W
2.3
TO-251 / TO-252
10
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
SYMBOL
θ
JC
RATINGS
15
5.5
12.5
UNIT
°C/W
PARAMETER
SOT-223
Junction to Case
SOT-89
TO-251 / TO-252
ELECTRICAL CHARACTERISTICS
(T
J
=25°C, C
I
=0.33μF, C
O
=0.1μF, P
D
≤7W,
unless otherwise specified)
For 78D05L
(V
IN
=10V, 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
TEST CONDITIONS
I
OUT
=5mA~0.5A
V
OUT
V
IN
=7.5~20V, I
OUT
=5mA~0.5A
I
OUT
=5mA~0.5A
∆V
OUT
I
OUT
=5mA~200mA
V
IN
=7V~25V
∆V
OUT
V
IN
=7.5~20V, I
OUT
=0.5A
I
Q
I
OUT
=0.5A
V
UT
=7.5~20V
∆I
Q
I
OUT
=5mA~0.5A
e
N
10Hz≤f≤100kHz
∆V
OUT
/∆T I
OUT
=5mA
RR
V
IN
=8~18V,f=120Hz
I
PEAK
I
SC
V
IN
=V
OUT
+19V
V
D
SYMBOL
MIN
4.8
4.75
TYP
5
MAX
5.2
5.25
100
50
100
100
8
1
0.5
UNIT
V
V
mV
mV
mV
mV
mA
mA
mA
μV
mV/°C
dB
A
mA
V
62
40
-0.6
80
1.2
250
2
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
4 of 8
QW-R101-036.G
78DXXL
ELECTRICAL CHARACTERISTICS (Cont.)
For 78D06L
(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 78D08L
(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 78D09L
(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
∆V
OUT
I
OUT
=5mA~200mA
V
IN
=8~25V
∆V
OUT
V
IN
=8.5~21V, I
OUT
=0.5A
I
Q
I
OUT
=0.5A
V
IN
=8.5~21V
∆I
Q
I
OUT
=5mA~0.5A
e
N
10Hz≤f≤100kHz
∆V
OUT
/∆T 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
∆V
OUT
I
OUT
=5mA~200mA
V
IN
=10.5~25V
∆V
OUT
V
IN
=10.5~23V, I
OUT
=0.5A
I
Q
I
OUT
=0.5A
V
IN
=10.5~23V
∆I
Q
I
OUT
=5mA~0.5A
e
N
10Hz≤f≤100kHz
∆V
OUT
/∆T 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
∆V
OUT
I
OUT
=5mA~200mA
V
IN
=11.5~25V
∆V
OUT
V
IN
=11.5~24V, I
OUT
=0.5A
I
Q
I
OUT
=0.5A
V
IN
=11.5~24V
∆I
Q
I
OUT
=5mA~0.5A
e
N
10Hz≤f≤100kHz
∆V
OUT
/∆T 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
120
60
120
120
8
1
0.5
59
45
-0.7
75
1.2
250
2
TYP
8
MAX
8.32
8.4
160
80
160
160
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
180
90
180
180
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-R101-036.G
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