Datasheet

UNISONIC TECHNOLOGIES CO., LTD
78DXX
LINEAR INTEGRATED CIRCUIT
3-TERMINALS 0.5A POSITIVE
VOLTAGE REGULATOR
1

DESCRIPTION
1
SOT-223
TO-251
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.

FEATURE
* Output Current Up To 0.5 A
* Fixed Output Voltage Of 5V, 6V, 7V, 8V, 9V, 12V, 15V, 18V, 20V
and 24V
Available
* Thermal Overload Shutdown Protection
* Short Circuit Current Limiting
* Output Transistor SOA Protection

1
1
TO-252
TO-252-3
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
78DXXG-AA3-R
78DXXL-TM3-T
78DXXG-TM3-T
78DXXL-TN3-R
78DXXG-TN3-R
78DXXL-TNA-R
78DXXG-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 © 2016 Unisonic Technologies Co., Ltd
Package
SOT-223
TO-251
TO-252
TO-252-3
Pin Assignment
1
2
3
I
G
O
I
G
O
I
G
O
I
G
O
Packing
Tape Reel
Tube
Tape Reel
Tape Reel
1 of 9
QW-R101-005.Y
78DXX

LINEAR INTEGRATED CIRCUIT
MARKING INFORMATION
PACKAGE
SOT-223
TO-251
TO-252
TO-252-3
VOLTAGE CODE
MARKING
05: 5V
06: 6V
07: 7V
08: 8V
09: 9V
12: 12V
15: 15V
18: 18V
20: 20V
24: 24V
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2 of 9
QW-R101-005.Y
78DXX

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
R7
C1
T3
T1
T2
R3
2 GND

TYPICAL APPLICATION CIRCUIT
VIN
1
UTC78DXX
CI=0.33 μF
2
3
VoUT
CO=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.
UNISONIC TECHNOLOGIES CO., LTD
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3 of 9
QW-R101-005.Y
78DXX

LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS (TJ=25°C, unless otherwise specified)
PARAMETER
SYMBOL
VIN
IOUT
Input Voltage
Output Current
Power Dissipation (TC=25°C)
SOT-223
TO-251/TO-252
TO-252-3
PD
RATINGS
35
0.5
8.5
UNIT
V
A
W
10
Operating Junction Temperature
TJ
-20~ +150
°C
Storage Temperature
TSTG
-65 ~ +150
°C
Note: 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

SYMBOL
SOT-223
TO-251/TO-252
TO-252-3
θJC
RATINGS
15
UNIT
°C/W
12.5
ELECTRICAL CHARACTERISTICS
(TJ=25°C, CI =0.33μF, CO=0.1μF, PD≤7W, unless otherwise specified)
For 78D05 (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~200 mA
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
50
25
50
50
8
1
0.5
UNIT
V
V
mV
mV
mV
mV
mA
mA
mA
μV
mV/°C
dB
A
mA
V
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QW-R101-005.Y
78DXX

LINEAR INTEGRATED CIRCUIT
ELECTRICAL CHARACTERISTICS (Cont.)
For 78D06 (VIN=11V, 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
For 78D07 (VIN=13V, 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
For 78D08 (VIN=14V, 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=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
MIN
5.76
5.7
SYMBOL
TEST CONDITIONS
IOUT=5mA~0.5A
VOUT
VIN=9.5~22V,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
MIN
6.72
6.65
SYMBOL
MIN
7.68
7.6
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
UNISONIC TECHNOLOGIES CO., LTD
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59
59
56
TYP
6
MAX
6.24
6.3
60
30
60
60
8
1
0.5
UNIT
V
V
mV
mV
mV
mV
mA
mA
mA
μV
mV/°C
dB
A
mA
V
MAX
7.28
7.35
70
35
70
70
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
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
45
-0.7
75
1.2
250
2
TYP
7
50
-0.8
75
1.2
250
2
TYP
8
58
-0.9
72
1.2
250
2
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QW-R101-005.Y
78DXX

LINEAR INTEGRATED CIRCUIT
ELECTRICAL CHARACTERISTICS (Cont.)
For 78D09 (VIN=15V, 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
For 78D12 (VIN=19V, IOUT=0.5A)
PARAMETER
SYMBOL
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
MIN
8.64
8.55
SYMBOL
MIN
11.52
11.4
TEST CONDITIONS
IOUT=5mA~0.5A
Output Voltage
VOUT
VIN =14.5~27V,IOUT=5mA~0.5A
IOUT=5mA~0.5A
Load Regulation
∆VOUT
IOUT=5mA~200mA
VIN=14.5~30V
Line Regulation
∆VOUT
VIN=14.6~27V, IOUT=0.5A
Quiescent Current
IQ
IOUT=0.5A
VIN =14.5~30V
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 =15~25V, f=120Hz
Peak Output Current
IPEAK
Short-Circuit Current
ISC
VIN=VOUT+19V
Dropout Voltage
VD
For 78D15 (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
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56
55
MIN
14.4
14.25
54
TYP
9
58
-1.1
72
1.2
250
2
TYP
12
75
-1.5
72
1.2
250
2
TYP
15
90
-1.8
70
1.2
250
2
MAX
9.36
9.45
90
45
90
90
8
1
0.5
UNIT
V
V
mV
mV
mV
mV
mA
mA
mA
μV
mV/°C
dB
A
mA
V
MAX UNIT
12.48
V
12.6
V
120
mV
60
mV
120
mV
120
mV
8
mA
1
mA
0.5
mA
μV
mV/°C
dB
A
mA
V
MAX UNIT
15.6
V
15.75
V
150
mV
75
mV
150
mV
150
mV
8
mA
1
mA
0.5
mA
μV
mV/°C
dB
A
mA
V
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QW-R101-005.Y
78DXX

LINEAR INTEGRATED CIRCUIT
ELECTRICAL CHARACTERISTICS(Cont.)
For 78D18 (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
For 78D20 (VIN =29V, 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
For 78D24 (VIN=33V, 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
MIN
17.28
17.1
SYMBOL
TEST CONDITIONS
IOUT=5mA~0.5A
VOUT
VIN =23~35V, IOUT=5mA~0.5A
IOUT=5mA~0.5A
VOUT
IOUT=5mA~200mA
VIN=23~35V
VOUT
VIN=23~35V, IOUT=0.5A
IQ
IOUT≤0.5A
VIN=23.5~35V
IQ
IOUT=5mA~0.5A
eN
10Hz≤f≤100kHz
VOUT/T IOUT=5mA
RR
VIN =24~34V,f=120Hz
IPEAK
ISC
VIN=35V
VD
MIN
19.20
19.00
SYMBOL
MIN
23.04
22.8
TEST CONDITIONS
IOUT=5mA~0.5A
VOUT
VIN=27~38V, IOUT=5mA~0.5A
IOUT=5mA~0.5A
∆VOUT
IOUT=5mA~200mA
VIN=27~38V
∆VOUT
VIN=27~38V, IOUT=0.5A
IQ
IOUT=0.5A
VIN=28~38V
∆IQ
IOUT=5mA~0.5A
eN
10Hz≤f≤100kHz
∆VOUT/∆T IOUT=5mA
RR
VIN =28~38V, f=120Hz
IPEAK
ISC
VIN=35V
VD
UNISONIC TECHNOLOGIES CO., LTD
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53
52
50
TYP
18
110
-2.2
69
1.2
250
2
TYP
20.0
130
-2.6
68
1.2
250
2.0
TYP
24
170
-2.8
66
1.2
250
2
MAX UNIT
18.72
V
18.9
V
180
mV
90
mV
180
mV
180
mV
8
mA
1
mA
0.5
mA
μV
mV/°C
dB
A
mA
V
MAX UNIT
20.80
V
21.00
V
200
mV
100
mV
200
mV
200
mV
8
mA
1
mA
0.5
mA
V
mV/C
dB
A
mA
V
MAX UNIT
24.96
V
25.2
V
240
mV
120
mV
240
mV
240
mV
8
mA
1
mA
0.5
mA
μV
mV/°C
dB
A
mA
V
7 of 9
QW-R101-005.Y
78DXX
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)
5
Bias Current, IB (mA)

LINEAR INTEGRATED CIRCUIT
VIN=10V
IOUT=0A
2
1
5.3
5.2
5.1
5.0
4.9
4.8
4.7
4.6
4.5
0
-25
VIN=10V
IOUT=5.0mA
-5 15 35 55 75 95 115 135 155
Junction Temperature, TJ (°C)
Dropout Voltage vs. Junction Temperature
2
1.8
IOUT=0.5A
1.6
-25
1.6
-5 15 35 55 75 95 115 135 155
Junction Temperature, TJ (°C)
Short Current vs. Input Voltage
1.4
1.2
1.4
IOUT=0.1A
1.2
1
IOUT=0A
0.8
1
0.8
0.6
0.6
0.4
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)
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QW-R101-005.Y
78DXX
Output Voltage
Deviation (mV)
TYPICAL CHARACTERISTICS (Cont.)
Load Current
(mA)
Input Voltage
Change (V)
Output Voltage
Deviation (mV)

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.
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QW-R101-005.Y