Datasheet

UNISONIC TECHNOLOGIES CO., LTD
78LXX
LINEAR INTEGRATED CIRCUIT
3-TERMINAL 0.1A POSITIVE
VOLTAGE REGULATOR

DESCRIPTION
The UTC 78LXX family is monolithic fixed voltage regulator
integrated circuit. They are suitable for applications that required
supply current up to 100mA.

FEATURES
* Output current up to 100mA
* Fixed output voltage of 5V, 6V, 8V, 9V, 10V, 12V, 15V and 18V
available
* Thermal overload shutdown protection
* Short circuit current limiting

ORDERING INFORMATION
Ordering Number
Pin Assignment
Package
Lead Free
Halogen Free
1 2 3 4 5 6 7 8
78LXXG-AB3-R
SOT-89
O G I - - - - 78LXXG-AB3-C-R
SOT-89
G I O - - - - 78LXXG-AF5-R
SOT-25
G I O N N
78LXXG-S08-R
SOP-8
O G G N N G G I
78LXXL-T92-B
78LXXG-T92-B
TO-92
O G I - - - - 78LXXL-T92-K
78LXXG-T92-K
TO-92
O G I - - - - 78LXXL-T9N-B
78LXXG-T9N-B
TO-92NL
O G I - - - - 78LXXL-T9N-K
78LXXG-T9N-K
TO-92NL
O G I - - - - Note: 1. XX: Output Voltage, refer to Marking Information.
2. Pin Assignment: O: Output G: GND I: Input N: No Connection
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QW-R101-001.R
78LXX

LINEAR INTEGRATED CIRCUIT
MARKING INFORMATION
PACKAGE
VOLTAGE CODE
MARKING
SOT-89
SOT-25
05:5.0V
06:6.0V
08:8.0V
09:9.0V
SOP-8
10:10V
Date Code
Voltage Code
UTC
78LXXG
Lot Code
12:12V
15:15V
TO-92
18:18V
TO-92NL
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QW-R101-001.R
78LXX

LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATINGS
UNIT
30
VIN
Input Voltage
V
35
Output Current
IOUT
100
mA
SOT-89
350
mW
SOT-25
240
mW
Power Dissipation
PD
SOP-8
300
mW
TO-92/TO-92NL
625
mW
Junction Temperature
TJ
+150
°C
Operating Temperature
TOPR
-40~+85
°C
Storage Temperature
TSTG
-55~+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.
VOUT=5~9V
VOUT=10~18V

ELECTRICAL CHARACTERISTICS
For UTC78L05 (VIN=10V, IOUT=40mA, 0°C<TJ<150°C, C1=0.33μF, Co=0.1μF, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX
UNIT
4.80
5.0
5.20
V
TJ=25°C
Output Voltage
VOUT
7V≤VIN≤20V,IOUT=1mA-40mA
4.75
5.25
V
7V≤VIN≤VMAX,IOUT=1mA-70mA
4.75
5.25 V (note 2)
TJ=25°C,IOUT=1mA-100mA
15
60
mV
Load Regulation
VOUT
TJ=25°C,IOUT=1mA-40mA
8
30
mV
7V≤VIN≤20V,TJ=25°C
8
150
mV
Line regulation
VOUT
8V≤VIN≤20V,TJ=25°C
6
100
mV
Quiescent Current
IQ
VIN=10V,IOUT=0mA,TJ=25°C
2.0
5.5
mA
1.5
mA
8V≤VIN≤20V
Quiescent Current Change
IQ
1mA≤VIN≤40mA
0.1
mA
Output Noise Voltage
eN
10Hz≤f≤100kHz
40
μV
Temperature coefficient of VOUT
VO/T IOUT=5mA
-0.65
mV/°C
Ripple Rejection
RR
8V≤VIN≤20V,f=120Hz,TJ=25°C
41
80
dB
Dropout Voltage
VD
TJ=25°C
1.7
V
For UTC78L06 (VIN=12V, IOUT=40mA, 0°C<TJ<150°C, C1=0.33μF, Co=0.1μF, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX
UNIT
5.76
6.0
6.24
V
TJ=25°C
Output Voltage
VOUT
8.5V≤VIN≤20V,IOUT=1mA-40mA
5.70
6.30
V
8.5V≤VIN≤VMAX, IOUT=1mA-70mA
5.70
6.30 V(note 2)
TJ=25°C,IOUT=1mA-100mA
16
80
mV
Load Regulation
∆VOUT
TJ=25°C,IOUT=1mA-40mA
9
40
mV
8.5V≤VIN≤20V,TJ=25°C
64
175
mV
Line regulation
∆VOUT
9V≤VIN≤20V,TJ=25°C
54
125
mV
Quiescent Current
IQ
VIN=12V,IOUT=0mA,TJ=25°C
3.9
6.0
mA
9V≤VIN≤20V
1.5
mA
Quiescent Current Change
∆IQ
1mA≤VIN≤40mA
0.1
mA
Output Noise Voltage
eN
10Hz≤f≤100kHz
49
μV
Temperature coefficient of VOUT
∆VO/∆T IOUT=5mA
-0.75
mV/°C
Ripple Rejection
RR
10V≤VIN≤20V,f=120Hz, TJ=25°C
40
46
dB
Dropout Voltage
VD
TJ=25°C
1.7
V
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QW-R101-001.R
78LXX

LINEAR INTEGRATED CIRCUIT
ELECTRICAL CHARACTERISTICS (Cont.)
For UTC78L08 (VIN=14V, IOUT=40mA, 0°C<TJ<150°C, C1=0.33μF, Co=0.1μF, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX
UNIT
7.68
8.0
8.32
V
TJ=25°C
Output Voltage
VOUT
10.5V≤VIN≤23V,IOUT=1mA-40mA
7.60
8.40
V
10.5V≤VIN≤VMAX, IOUT=1mA-70mA
7.60
8.40 V(note 2)
TJ=25°C,IOUT=1mA-100mA
18
80
mV
Load Regulation
∆VOUT
TJ=25°C,IOUT=1mA-40mA
10
40
mV
10.5V≤VIN≤23V,TJ=25°C
10
175
mV
Line regulation
∆VOUT
11V≤VIN≤23V,TJ=25°C
8
125
mV
Quiescent Current
IQ
VIN=14V,IOUT=0mA,TJ=25°C
2.0
5.5
mA
11V≤VIN≤23V
1.5
mA
Quiescent Current Change
∆IQ
1mA≤VIN≤40mA
0.1
mA
Output Noise Voltage
eN
10Hz≤f≤100kHz
49
μV
-0.75
Temperature coefficient of Vo
∆VO/∆T IOUT=5mA
mV/C
Ripple Rejection
RR
11V≤VIN≤23V,f=120Hz,TJ=25°C
39
70
dB
Dropout Voltage
VD
TJ=25°C
1.7
V
For UTC78L09 (VIN=15V, IOUT=40mA, 0°C<TJ<150°C, C1=0.33μF, Co=0.1μF, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX
UNIT
8.64
9.0
9.36
V
TJ=25°C
Output Voltage
VOUT
11.5V≤VIN≤24V,IOUT=1mA-40mA
8.55
9.45
V
11.5V≤VIN≤VMAX, IOUT=1mA-70mA 8.55
9.45 V(note 2)
19
90
mV
TJ=25°C,IOUT=1mA-100mA
Load Regulation
VOUT
TJ=25°C,IOUT=1mA-40mA
11
40
mV
90
200
mV
11.5V≤VIN≤24V,TJ=25°C
Line regulation
VOUT
13V≤VIN≤24V,TJ=25°C
100
150
mV
Quiescent Current
IQ
VIN=15V,IOUT=0mA,TJ=25°C
2.0
6.0
mA
13V≤VIN≤24V
1.5
mA
Quiescent Current Change
IQ
1mA≤VIN≤40mA
0.1
mA
Output Noise Voltage
eN
10Hz≤f≤100kHz
70
μV
Temperature coefficient of VOUT
VO/T IOUT=5mA
-0.75
mV/C
Ripple Rejection
RR
12V≤VIN≤24V,f=120Hz,TJ=25°C
38
44
dB
Dropout Voltage
VD
TJ=25°C
1.7
V
For UTC78L10 (VIN=16V, IOUT=40mA, 0°C<TJ<150°C, C1=0.33μF, Co=0.1μF, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX
UNIT
9.6
10.0 10.4
V
TJ=25°C
Output Voltage
VOUT
12.5V≤VIN≤25V,IOUT=1mA-40mA
9.5
10.5
V
12.5V≤VIN≤VMAX, IOUT=1mA-70mA
9.5
10.5 V(note 2)
TJ=25°C, IOUT=1mA-100mA
20
90
mV
Load Regulation
∆VOUT
TJ=25°C, IOUT=1mA-40mA
11
40
mV
12.5V≤VIN≤25V,TJ=25°C
100
200
mV
Line regulation
∆VOUT
14V≤VIN≤25V,TJ=25°C
100
170
mV
Quiescent Current
IQ
VIN=17V,IOUT=0mA,TJ=25°C
2.0
6.0
mA
12.5V≤VIN≤25V
1.5
mA
Quiescent Current Change
IQ
1mA≤VIN≤40mA
0.1
mA
Output Noise Voltage
eN
10Hz≤f≤100kHz
74
μV
Temperature coefficient of VOUT
VO/T IOUT=5mA
-0.8
mV/C
Ripple Rejection
RR
15V≤VIN≤25V,f=120Hz,TJ=25°C
38
43
dB
Dropout Voltage
VD
TJ=25°C
1.7
V
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QW-R101-001.R
78LXX

LINEAR INTEGRATED CIRCUIT
ELECTRICAL CHARACTERISTICS (Cont.)
For UTC78L12 (VIN=19V, IOUT=40mA, 0°C<TJ<150°C, C1=0.33μF, Co=0.1μF, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX
UNIT
11.52 12.0 12.48
V
TJ=25°C
Output Voltage
VOUT
14.5V≤VIN≤27V,IOUT=1mA-40mA
11.40
12.60
V
14.5V≤VIN≤VMAX, IOUT=1mA-70mA 11.40
12.60 V(note 2)
TJ=25°C, IOUT=1mA-100mA
22
100
mV
Load Regulation
VOUT
TJ=25°C, IOUT=1mA-40mA
13
50
mV
14.5V≤VIN≤27V,TJ=25°C
25
300
mV
Line regulation
VOUT
16V≤VIN≤27V,TJ=25°C
20
250
mV
Quiescent Current
IQ
VIN=19V,IOUT=0mA,TJ=25°C
2.0
6.0
mA
16V≤VIN≤27V
1.5
mA
Quiescent Current Change
IQ
1mA≤VIN≤40mA
0.1
mA
Output Noise Voltage
eN
10Hz≤f≤100kHz
80
μV
Temperature coefficient of VOUT
VO/T IOUT=5mA
-1.0
mV/C
Ripple Rejection
RR
15V≤VIN≤25V,f=120Hz,TJ=25°C
37
65
dB
Dropout Voltage
VD
TJ=25°C
1.7
V
For UTC78L15 (VIN=23V, IOUT=40mA, 0°C<TJ<150°C, C1=0.33μF, Co=0.1μF, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX
UNIT
14.40 15.0 15.60
V
TJ=25°C
Output Voltage
VOUT 17.5V≤VIN≤30V,IOUT=1mA-40mA
14.25
15.75
V
17.5V≤VIN≤VMAX, IOUT=1mA-70mA
14.25
15.75 V(note 2)
25
150
mV
TJ=25°C, IOUT=1mA-100mA
Load Regulation
VOUT
TJ=25°C, IOUT=1mA-40mA
15
75
mV
25
150
mV
17.5V≤VIN≤30V,TJ=25°C
Line Regulation
VOUT
20V≤VIN≤30V,TJ=25°C
15
75
mV
Quiescent Current
IQ
VIN=23V,IOUT=0mA,TJ=25°C
2.2
6.5
mA
20V≤VIN≤30V
1.5
mA
Quiescent Current Change
IQ
1mA≤VIN≤40mA
0.1
mA
Output Noise Voltage
eN
10Hz≤f≤100kHz
90
μV
Temperature Coefficient of VOUT
VO/T IOUT=5mA
-1.3
mV/C
Ripple Rejection
RR
18.5V≤VIN≤28.5V,f=120Hz, TJ=25°C
34
63
dB
Dropout Voltage
VD
TJ=25°C
1.7
V
For UTC78L18 (VIN=27V, IOUT=40mA, 0°C<TJ<150°C, C1=0.33μF, Co=0.1μF, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX
UNIT
17.64 18.0 18.36
V
TJ=25°C
Output Voltage
VOUT 21V≤VIN≤33V,IOUT=1mA-40mA
17.46
18.54
V
21V≤VIN≤VMAX,IOUT=1mA-70mA
17.46
18.54 V(note 2)
TJ=25°C, IOUT=1mA-100mA
27
180
mV
Load Regulation
VOUT
TJ=25°C, IOUT=1mA-40mA
19
90
mV
21V≤VIN≤33V,TJ=25°C
145
300
mV
Line Regulation
VOUT
22V≤VIN≤33V,TJ=25°C
135
250
mV
Quiescent Current
IQ
VIN=27V,IOUT=0mA,TJ=25°C
2.0
6.0
mA
21V≤VIN≤33V
1.5
mA
Quiescent Current Change
IQ
1mA≤VIN≤40mA
0.1
mA
Output Noise Voltage
eN
10Hz≤f≤100kHz
150
μV
Temperature Coefficient of VOUT
VO/T IOUT=5mA
-1.8
mV/C
Ripple Rejection
RR
23V≤VIN≤33V,f=120Hz,TJ=25°C
34
48
dB
Dropout Voltage
VD
TJ=25°C
1.7
V
Note 1. The Maximum steady state usable output current is dependent on input voltage, heat sinking, lead length of
the package and copper pattern of PCB.
2. Power dissipation<0.5W
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QW-R101-001.R
78LXX

LINEAR INTEGRATED CIRCUIT
APPLICATION CIRCUIT
VIN
3
2
C1
0.33μF
VoUT
1
UTC78LXX
C0
0.1μF
Notes: 1. To specify an output voltage, substitute voltage value for "XX".
2. Bypass capacitors are recommended for optimum stability and transient response and should be located
as close as possible to the regulators.

TEST CIRCUIT
INPUT
3
R13
R17
T10
Z2
R9
T8
T14
T9
R14
T12
R19
R18
R12
T13
T11
R11
T5
R10
OUTPUT
1
T6
R8
R15
R5
T4
Z1
T15
R4
R6
T7
R16
R1
R2
C1
R7
T3
T1
T2
R3
GND
2
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QW-R101-001.R
78LXX
TYPICAL CHARACTERISTICS
Ambient temperature vs. Power
dissipation
UTC78L05 Output Voltage
vs.Ambient temperature
TO-92
600
Output Volatge, VOUT(V)
Power Dissiaption, PD(mW)
700
500
400
300
SOT-89
SOP-8
25
50
75
5.2
5.1
5.0
4.9
4.8
-50
100
Ambient Temperature, TA(°C)
12.1
12.0
11.9
11.8
IP=0mA
TJ=25°C
20
15
UTC78L12
10
5
UTC78L05
0
11.7
-50
0
50
100
0
10
20
30
40
Ambient Temperature, TA(°C)
Input Voltage, VIN(V)
UTC78L05 Dropout Characteristics
Short Circuit output current
500 T =25°C
J
IO
IO
U
T=
IO
U
T=
0m
4
A
U
0
T=
10 mA
0m
A
5
Short circuit Current(mA)
TJ=25°C
4.5
4.1
0
50
100
Ambient Temperature, TA(°C)
Output Characteristics
25
Output Volatge, VOUT(V)
Output Volatge, VOUT(V)
UTC78L12 Output Voltage vs.
Ambient temperature
Output Volatge, VOUT(V)

LINEAR INTEGRATED CIRCUIT
6.0
6.5
7.0
Input Voltage, VIN(V)
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400
300
200
100
0
10
20
30
40
input-outputVoltage difference(V)
7 of 8
QW-R101-001.R
78LXX

LINEAR INTEGRATED CIRCUIT
TYPICAL CHARACTERISTICS(Cont.)
UTC78L05 Quiescent Current vs.
Input Voltage
TJ=25°C
2.7
2.6
Quiescent Current, IQ (mA)
Quiescent Current, IQ (mA)
UTC78L12 Quiescent Current vs.
Output Current
2.5
2.4
2.3
2.2
UTC78L12
2.1
2.0
4
IOUT=0mA
TJ=25°C
3
2
1
1.9
0
0
20
40
60
80
100
0
200
(TJ=0°C)
100
(TJ=25°C)
(TJ=150°C)
0
10
20
30
40
Input-output voltage difference(V)
30
40
Dropout Voltage
2.5
Input Output Differentional (V)
Peak Output Current (mA)
Peak Output Current
vs. Dropout Voltage Difference
300
20
Input Voltage, VIN(V)
Output Current, IOUT (mA)
400
10
2.0
IOUT=70mA
IOUT=40mA
1.5
IOUT=1.0mA
1.0
0.5
DROPOUT CONDITIONS
ΔVOUT=2% of VOUT
0
25
50
75
100
125
Junction Temperature, TJ (°C)
UTC assumes no responsibility for equipm ent failures that result from using products at values that
exceed, even mom entarily, rated values (such as m aximum ratings, operating condition ranges, or
other param eters) 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 system s where
m alfunction 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 inform ation
presented in this docum ent 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-R101-001.R