UNISONIC TECHNOLOGIES CO., LTD
78DXXL
LINEAR INTEGRATED CIRCUIT
3-TERMINALS 0.5A POSITIVE
VOLTAGE REGULATOR
DESCRIPTION
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
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
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Copyright © 2015 Unisonic Technologies Co., Ltd
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
1 of 8
QW-R101-036.G
78DXXL
LINEAR INTEGRATED CIRCUIT
MARKING INFORMATION
PACKAGE
VOLTAGE CODE
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
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2 of 8
QW-R101-036.G
78DXXL
LINEAR INTEGRATED CIRCUIT
BLOCK DIAGRAM
1 INPUT
R13
R17
T10
Z2
R9
T8
T14
T9
R14
T12
R19
R18
R12
T13
T11
R11
T5
T6
R15
R10
3 OUTPUT
R8
R5
T4
Z1
T15
R4
R6
T7
R16
R1
R2
C1
R7
T3
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.
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3 of 8
QW-R101-036.G
78DXXL
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS (TJ=25°C, unless otherwise specified)
PARAMETER
SYMBOL
VIN
IOUT
RATINGS
UNIT
35
V
0.5
A
SOT-223
8.5
Power Dissipation (TC=25°C) SOT-89
PD
W
2.3
TO-251 / TO-252
10
Junction Temperature
TJ
-20~ +150
°C
Storage Temperature
TSTG
-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.
Input Voltage
Output Current
THERMAL DATA
PARAMETER
SOT-223
Junction to Case
SOT-89
TO-251 / TO-252
SYMBOL
θJC
RATINGS
15
5.5
12.5
UNIT
°C/W
ELECTRICAL CHARACTERISTICS
(TJ=25°C, CI =0.33μF, CO=0.1μF, PD≤7W, unless otherwise specified)
For 78D05L (VIN=10V, IOUT=0.5A)
PARAMETER
Output Voltage
Load Regulation
Line Regulation
Quiescent Current
Quiescent Current Change
Output Noise Voltage
Temperature coefficient of VOUT
Ripple Rejection
Peak Output Current
Short-Circuit Current
Dropout Voltage
SYMBOL
TEST CONDITIONS
IOUT=5mA~0.5A
VOUT
VIN =7.5~20V, IOUT=5mA~0.5A
IOUT=5mA~0.5A
∆VOUT
IOUT=5mA~200mA
VIN =7V~25V
∆VOUT
VIN =7.5~20V, IOUT=0.5A
IQ
IOUT=0.5A
VUT =7.5~20V
∆IQ
IOUT=5mA~0.5A
eN
10Hz≤f≤100kHz
∆VOUT/∆T IOUT=5mA
RR
VIN =8~18V,f=120Hz
IPEAK
ISC
VIN=VOUT+19V
VD
UNISONIC TECHNOLOGIES CO., LTD
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MIN
4.8
4.75
62
TYP
5
40
-0.6
80
1.2
250
2
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
4 of 8
QW-R101-036.G
78DXXL
LINEAR INTEGRATED CIRCUIT
ELECTRICAL CHARACTERISTICS (Cont.)
For 78D06L (VIN=11V, IOUT=0.5A)
PARAMETER
MIN
5.76
5.7
Output Noise Voltage
Temperature coefficient of VOUT
Ripple Rejection
Peak Output Current
Short-Circuit Current
Dropout Voltage
TEST CONDITIONS
IOUT=5mA~0.5A
VOUT
VIN=8.5~21V,IOUT=5mA~0.5A
IOUT=5mA~0.5A
∆VOUT
IOUT=5mA~200mA
VIN=8~25V
∆VOUT
VIN=8.5~21V, IOUT=0.5A
IQ
IOUT=0.5A
VIN =8.5~21V
∆IQ
IOUT=5mA~0.5A
eN
10Hz≤f≤100kHz
∆VOUT/∆T IOUT=5mA
RR
VIN =9~19V,f=120Hz
IPEAK
ISC
VIN=VOUT+19V
VD
For 78D08L (VIN=14V, IOUT=0.5A)
PARAMETER
SYMBOL
MIN
7.68
7.6
Output Voltage
Load Regulation
Line Regulation
Quiescent Current
Quiescent Current Change
SYMBOL
Output Noise Voltage
Temperature coefficient of VOUT
Ripple Rejection
Peak Output Current
Short-Circuit Current
Dropout Voltage
TEST CONDITIONS
IOUT=5mA~0.5A
VOUT
VIN=10.5~23V, IOUT=5mA~0.5A
IOUT=5mA~0.5A
∆VOUT
IOUT=5mA~200mA
VIN =10.5~25V
∆VOUT
VIN =10.5~23V, IOUT=0.5A
IQ
IOUT=0.5A
VIN =10.5~23V
∆IQ
IOUT=5mA~0.5A
eN
10Hz≤f≤100kHz
∆VOUT/∆T IOUT=5mA
RR
VIN =11.5~21.5V, f=120Hz
IPEAK
ISC
VIN=VOUT+19V
VD
For 78D09L (VIN=15V, IOUT=0.5A)
PARAMETER
SYMBOL
Output Voltage
Load Regulation
Line Regulation
Quiescent Current
Quiescent Current Change
Output Voltage
Load Regulation
Line Regulation
Quiescent Current
Quiescent Current Change
Output Noise Voltage
Temperature coefficient of VOUT
Ripple Rejection
Peak Output Current
Short-Circuit Current
Dropout Voltage
TEST CONDITIONS
IOUT=5mA~0.5A
VOUT
VIN =11.5~24V,IOUT=5mA~0.5A
IOUT=5mA~0.5A
∆VOUT
IOUT=5mA~200mA
VIN =11.5~25V
∆VOUT
VIN =11.5~24V, IOUT=0.5A
IQ
IOUT=0.5A
VIN=11.5~24V
∆IQ
IOUT=5mA~0.5A
eN
10Hz≤f≤100kHz
∆VOUT/∆T IOUT=5mA
RR
VIN=12.5~22.5V,f=120Hz
IPEAK
ISC
VIN=VOUT+19V
VD
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
59
56
MIN
8.64
8.55
56
TYP
6
MAX
6.24
6.3
120
60
120
120
8
1
0.5
UNIT
V
V
mV
mV
mV
mV
mA
mA
mA
μV
mV/°C
dB
A
mA
V
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
MAX
9.36
9.45
180
90
180
180
8
1
0.5
UNIT
V
V
mV
mV
mV
mV
mA
mA
mA
μV
mV/°C
dB
A
mA
V
45
-0.7
75
1.2
250
2
TYP
8
58
-0.9
72
1.2
250
2
TYP
9
58
-1.1
72
1.2
250
2
5 of 8
QW-R101-036.G
78DXXL
LINEAR INTEGRATED CIRCUIT
ELECTRICAL CHARACTERISTICS (Cont.)
For 78D12L (VIN=19V, IOUT=0.5A)
PARAMETER
Output Voltage
Load Regulation
Line Regulation
Quiescent Current
Quiescent Current Change
Output Noise Voltage
Temperature coefficient of VOUT
Ripple Rejection
Peak Output Current
Short-Circuit Current
Dropout Voltage
SYMBOL
TEST CONDITIONS
IOUT=5mA~0.5A
VOUT
VIN =14.5~27V,IOUT=5mA~0.5A
IOUT=5mA~0.5A
∆VOUT
IOUT=5mA~200mA
VIN=14.5~30V
∆VOUT
VIN=14.6~27V, IOUT=0.5A
IQ
IOUT=0.5A
VIN =14.5~30V
∆IQ
IOUT=5mA~0.5A
eN
10Hz≤f≤100kHz
∆VOUT/∆T IOUT=5mA
RR
VIN =15~25V, f=120Hz
IPEAK
ISC
VIN=VOUT+19V
VD
For 78D15L (VIN=23V, IOUT=0.5A, CI =0.33μF, CO=0.1μF,)
PARAMETER
SYMBOL
TEST CONDITIONS
IOUT=5mA~0.5A
Output Voltage
VOUT
VIN =17.5~30V, IOUT=5mA~0.5A
IOUT=5mA~0.5A
Load Regulation
∆VOUT
IOUT=5mA~200mA
VIN=18.5~30V
Line Regulation
∆VOUT
VIN=17.5~30V, IOUT=0.5A
Quiescent Current
IQ
IOUT=0.5A
VIN=17.5~30V
Quiescent Current Change
∆IQ
IOUT=5mA~0.5A
Output Noise Voltage
eN
10Hz≤f≤100kHz
Temperature coefficient of VOUT
∆VOUT/∆T IOUT=5mA
Ripple Rejection
RR
VIN=18.5~28.5V, f=120Hz
Peak Output Current
IPEAK
Short-Circuit Current
ISC
VIN=VOUT+19V
Dropout Voltage
VD
For 78D18L (VIN=27V, IOUT=0.5A)
PARAMETER
Output Voltage
Load Regulation
Line Regulation
Quiescent Current
Quiescent Current Change
Output Noise Voltage
Temperature coefficient of VOUT
Ripple Rejection
Peak Output Current
Short-Circuit Current
Dropout Voltage
SYMBOL
TEST CONDITIONS
IOUT=5mA~0.5A
VOUT
VIN=21~33V,IOUT=5mA~0.5A
IOUT=5mA~0.5A
∆VOUT
IOUT=5mA~200mA
VIN=21~33V
∆VOUT
VIN=21~33V, IOUT =0.5A
IQ
IOUT=0.5A
VIN=21.5~33V
∆IQ
IOUT=5mA~0.5A
eN
10Hz≤f≤100kHz
∆VOUT/∆T IOUT=5mA
RR
VIN =22~32V,f=120Hz
IPEAK
ISC
VIN= 35V
VD
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
MIN
11.52
11.4
55
MIN
14.4
14.25
54
MIN
17.28
17.1
53
TYP
12
75
-1.5
72
1.2
250
2
TYP
15
90
-1.8
70
1.2
250
2
TYP
18
110
-2.2
69
1.2
250
2
MAX
12.48
12.6
240
120
240
240
8
1
0.5
UNIT
V
V
mV
mV
mV
mV
mA
mA
mA
μV
mV/°C
dB
A
mA
V
MAX UNIT
15.6
V
15.75
V
300
mV
150
mV
300
mV
300
mV
8
mA
1
mA
0.5
mA
μV
mV/°C
dB
A
mA
V
MAX UNIT
18.72
V
18.9
V
360
mV
180
mV
360
mV
360
mV
8
mA
1
mA
0.5
mA
μV
mV/°C
dB
A
mA
V
6 of 8
QW-R101-036.G
78DXXL
Output Voltage, VOUT (V)
Circuit Operating Current, IBIAS (mA)
TYPICAL CHARACTERISTICS
6
Output Voltage vs. Junction Temperature
Bias Current vs. Junction Temperature
5.5
5.4
4
3
Output Voltage, VOUT (V)
Bias Current, IB (mA)
5
VIN=10V
IOUT=0A
2
1
-25
VIN=10V
IOUT=5.0mA
5.3
5.2
5.1
5.0
4.9
4.8
4.7
4.6
4.5
0
-5 15 35 55 75 95 115 135 155
Junction Temperature, TJ (°C)
-25
Dropout Voltage vs. Junction Temperature
2
1.8
1.6
1.4
IOUT=0.1A
1.2
1
IOUT=0A
0.8
0.6
0.4
-5 15 35 55 75 95 115 135 155
Junction Temperature, TJ (°C)
Short Current vs. Input Voltage
1.4
IOUT=0.5A
1.6
Short Current, ISC (A)
Dropout Voltage, VD (V)
LINEAR INTEGRATED CIRCUIT
1.2
1
0.8
0.6
0.4
0.2
0.2
0
-40 -20 0 20 40 60 80 100 120 140
Junction Temperature, TJ (°C)
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0
0 3 6 9 12 15 18 21 24 27 30 33 36 40
Input Voltage, VIN (V)
7 of 8
QW-R101-036.G
78DXXL
LINEAR INTEGRATED CIRCUIT
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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QW-R101-036.G