UTC LM78XX LINEAR INTEGRATED CIRCUIT
3-TERMINAL 1A POSITIVE
VOLTAGE REGULATOR
DESCRIPTION
The UTC 78XX family is monolithic fixed voltage
regulator integrated circuit. They are suitable for
applications that required supply current up to 1 A.
FEATURES
*Output current up to 1.5 A
*Fixed output voltage of 5V, 6V, 8V, 9V, 10V, 12V,
15V ,18V and 24V available
*Thermal overload shutdown protection
*Short circuit current limiting
*Output transistor SOA protection
TEST CIRCUIT
R13 R17 R9
T10
R14
R15
Z1
R16
T8 T9
T11
T4
T15
R1 R2
T1 T2
T5
1
TO-220
1
TO-263
1
TO-252
1: Input 2: GND 3: Output
INPUT
1
Z2
T12
T14
R19
R18
T13
T6
R5
R4
R6
T7
C1
T3
R11
R12
R10
R8
R7
OUTPUT
3
R3
GND
2
UTC UNISONIC TECHNOLOGIES CO., LTD. 1
QW-R101-006,C
UTC LM78XX LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS
( Operating temperature range applies unless otherwise specified )
PARAMETER SYMBOL RATING UNIT
Input voltage(for Vo=5~18V)
(for Vo=24V)
Output Current I o 1 A
Power Dissipation PD Internally Limited W
Operating Junction Temperature Range
Storage Temperature Range
VI
OPR -20 +150
T
STG -55 +150
T
UTC LM7805 ELECTRICAL CHARACTERISTICS
( VI=10V, Io=0.5A, Tj= 0°C - 125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Output Voltage Vo
Load Regulation
Line regulation
Quiescent Current Iq
Quiescent Current Change
Output Noise Voltage VN 10Hz<=f<=100kHz 40
Temperature coefficient of Vo
Ripple Rejection RR
Peak Output Current IPK
Short-Circuit Current ISC
Dropout Voltage Vd
∆Vo Tj=25°C,I
∆Vo V
∆Iq
∆Iq
∆Vo/∆T
Tj=25°C, I
I =7.5V to 20V,
V
O=5mA - 1.0A,PD<15W
I
O=5mA - 1.5A
Tj=25°C,I
V
Tj=25°C, I
VI =7.5V to 20V 1.0 mA
IO=5mA - 1.0A 0.5 mA
Io=5mA -0.6
V
Tj=25°C
VI=35V, Tj=25°C
Tj=25°C
O=0.25A - 0.75A
I =7V to 25V,Tj=25°C
I =7.5V to 20V,Tj=25°C,Io=1A
O=<1A
I =8V - 18V,f=120Hz,Tj=25°C
UTC LM7806 ELECTRICAL CHARACTERISTICS
( VI=11V, Io=0.5A, Tj= 0°C - 125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Output Voltage Vo
Load Regulation
Line regulation
Quiescent Current Iq
Quiescent Current Change
Output Noise Voltage VN 10Hz<=f<=100kHz 45
Temperature coefficient of Vo
Ripple Rejection RR
∆Vo Tj=25°C,I
∆Vo V
∆Iq
∆Iq
∆Vo/∆T
Tj=25°C, I
I =8.5V to 21V,
V
I
O=5mA - 1.0A, PD<15W
O=5mA - 1.5A
Tj=25°C,I
V
Tj=25°C, I
VI =8.5V to 21V 1.0 mA
IO=5mA - 1.0A 0.5 mA
Io=5mA -0.7
V
O=0.25A - 0.75A
I =8V to 25V,Tj=25°C
I =8.5V to 21V,Tj=25°C,Io=1A
O=<1A
I =9V - 19V,f=120Hz,Tj=25°C
35
O=5mA - 1.0A
O=5mA - 1.0A
V
40
4.80 5.0 5.20 V
4.75 5.25 V
50 mV
25 mV
50 mV
50 mV
8.0 mA
62 80 dB
1.8 A
250 mA
2.0 V
5.76 6.0 6.24 V
5.70 6.30 V
60 mV
30 mV
60 mV
60 mV
8.0 mA
59 75 dB
V
°C
°C
µV
mV/°C
µV
mV/°C
UTC UNISONIC TECHNOLOGIES CO., LTD. 2
QW-R101-006,C
UTC LM78XX LINEAR INTEGRATED CIRCUIT
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Peak Output Current IPK
Short-Circuit Current ISC
Dropout Voltage Vd
UTC LM7808 ELECTRICAL CHARACTERISTICS
( VI=14V, Io=0.5A, Tj= 0°C - 125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Output Voltage Vo
Load Regulation
Line regulation
Quiescent Current Iq
Quiescent Current Change
Output Noise Voltage VN 10Hz<=f<=100kHz 58
Temperature coefficient of Vo
Ripple Rejection RR VI =11.5V to 21.5V,
Peak Output Current IPK
Short-Circuit Current ISC
Dropout Voltage Vd
∆Vo Tj=25°C,I
∆Vo V
∆Iq
∆Iq
∆Vo/∆T
UTC LM7809 ELECTRICAL CHARACTERISTICS
( VI=15V, Io=0.5A, Tj= 0°C - 125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Output Voltage Vo
Load Regulation
Line regulation
Quiescent Current Iq
Quiescent Current Change
Output Noise Voltage VN 10Hz<=f<=100kHz 58
Temperature coefficient of Vo
Ripple Rejection RR VI =12.5V to 22.5V,
Peak Output Current IPK
Short-Circuit Current ISC
Dropout Voltage Vd
∆Vo Tj=25°C,I
∆Vo
∆Iq
∆Iq
∆Vo/∆T
Tj=25°C
VI=35V, Tj=25°C
Tj=25°C
Tj=25°C, I
I
O=5mA - 1.0A, PD<15W
Tj=25°C,I
I =10.5V to 25V,Tj=25°C
V
I =10.5V to 23V,Tj=25°C,Io=1A
Tj=25°C, I
VI =10.5V to 23V 1.0 mA
IO=5mA - 1.0A 0.5 mA
Io=5mA -0.9
f=120Hz,Tj=25°C
Tj=25°C
VI=35V, Tj=25°C
Tj=25°C
Tj=25°C, I
O=5mA - 1.0A,PD<15W
I
Tj=25°C,I
VI =11.5V to 25 V,
Tj=25°C, PD<15W
V
I =11.5V to 24V,Tj=25°C,
Io<=1A
Tj=25°C, I
VI =11.5V to 24V 1.0 mA
IO=5mA – 1.0A 0.5 mA
Io=5mA -1.1
f=120Hz,Tj=25°C
Tj=25°C
VI=35V, Tj=25°C
Tj=25°C
O=5mA - 1.0A
I =10.5V to 23V,
V
O=5mA - 1.5A
O=0.25A - 0.75A
O=<1A
O=5mA - 1.0A
I =11.5V to 24V,
V
O=5mA - 1.5A
O=0.25A - 0.75A
O=<1A
1.8 A
250 mA
2.0 V
7.68 8.0 8.32 V
7.60 8.40 V
80 mV
40 mV
80 mV
80 mV
8.0 mA
µV
mV/°C
56 72 dB
1.8 A
250 mA
2.0 V
8.64 9.0 9.36 V
8.55 9.45 V
90 mV
45 mV
90 mV
90 mV
8.0 mA
µV
mV/°C
56 72 dB
1.8 A
250 mA
2.0 V
UTC UNISONIC TECHNOLOGIES CO., LTD. 3
QW-R101-006,C
UTC LM78XX LINEAR INTEGRATED CIRCUIT
UTC LM7810 ELECTRICAL CHARACTERISTICS
( VI=16V, Io=0.5A, Tj= 0°C - 125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Output Voltage Vo
Load Regulation
Line regulation
VI =13V to 25V,
Quiescent Current Iq
Quiescent Current Change
Output Noise Voltage VN 10Hz<=f<=100kHz 58
Temperature coefficient of Vo
Ripple Rejection RR
Peak Output Current IPK
Short-Circuit Current ISC
Dropout Voltage Vd
∆Vo Tj=25°C,I
∆Vo VI =13V to 25V,Tj=25°C
∆Iq
∆Iq
∆Vo/∆T
UTC LM7812 ELECTRICAL CHARACTERISTICS
( VI=19V, Io=0.5A, Tj= 0°C - 125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Output Voltage Vo
Load Regulation
Line regulation
Quiescent Current Iq
Quiescent Current Change
Output Noise Voltage VN 10Hz<=f<=100kHz 75
Temperature coefficient of Vo
Ripple Rejection RR
Peak Output Current IPK
Short-Circuit Current ISC
Dropout Voltage Vd
∆Vo Tj=25°C,I
∆Vo V
∆Iq
∆Iq
∆Vo/∆T
Tj=25°C, I
I
O=5mA - 1.0A,PD<=15W
Tj=25°C,I
Tj=25°C,Io<=1A
Tj=25°C, I
VI =12.6V to 25V 1.0 mA
IO=5mA - 1.0A 0.5 mA
Io=5mA -1.1
VI =13V - 23V,f=120Hz,Tj=25°C
Tj=25°C
VI=35V, Tj=25°C
Tj=25°C
Tj=25°C, I
O=5mA - 1.0A,PD<15W
I
Tj=25°C,I
I =14.5V to 30V,Tj=25°C
V
I =14.6V to 27V,Tj=25°C,
Io=1A
Tj=25°C, I
VI =14.5V to 30V 1.0 mA
IO=5mA - 1.0A 0.5 mA
Io=5mA -1.5
V
I =15V - 25V,f=120Hz,Tj=25°C
Tj=25°C
VI=35V, Tj=25°C
Tj=25°C
O=5mA - 1.0A
VI =12.5V to 25V,
O=5mA - 1.5A
O=0.25A - 0.75A
O=<1A
O=5mA - 1.0A
I =14.5V to 27V,
V
O=5mA - 1.5A
O=0.25A - 0.75A
O=<1A
9.60 10.0 10.40 V
9.50 10.50 V
100 mV
50 mV
100 mV
100 mV
8.0 mA
µV
mV/°C
56 72 dB
1.8 A
250 mA
2.0 V
11.52 12.0 12.48 V
11.40 12.60 V
120 mV
60 mV
120 mV
120 mV
8.0 mA
µV
mV/°C
55 72 dB
1.8 A
250 mA
2.0 V
UTC UNISONIC TECHNOLOGIES CO., LTD. 4
QW-R101-006,C
UTC LM78XX LINEAR INTEGRATED CIRCUIT
UTC LM7815 ELECTRICAL CHARACTERISTICS
( VI=23V, Io=0.5A, Tj= 0°C - 125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Output Voltage Vo
Load Regulation
Line regulation
VI =17.7V to 30V,
Quiescent Current Iq
Quiescent Current Change
Output Noise Voltage VN 10Hz<=f<=100kHz 90
Temperature coefficient of Vo
Ripple Rejection RR VI =18.5V to 28.5V
Peak Output Current IPK
Short-Circuit Current ISC
Dropout Voltage Vd
∆Vo Tj=25°C,I
∆Vo V
∆Iq
∆Iq
∆Vo/∆T
UTC LM7818 ELECTRICAL CHARACTERISTICS
( VI=27V, Io=0.5A, Tj= 0°C - 125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Output Voltage Vo
Load Regulation
Line regulation
VI =21V to 33V,
Quiescent Current Iq
Quiescent Current Change
Output Noise Voltage VN 10Hz<=f<=100kHz 110
Temperature coefficient of Vo
Ripple Rejection RR
Peak Output Current IPK
Short-Circuit Current ISC
Dropout Voltage Vd
∆Vo Tj=25°C,I
∆Vo V
∆Iq
∆Iq
∆Vo/∆T
Tj=25°C, I
I
O=5mA - 1.0A,PD<15W
Tj=25°C,I
I =18.5V to 30V,Tj=25°C
Tj=25°C, I
Tj=25°C, I
VI =17.5V to 30V 1.0 mA
IO=5mA - 1.0A 0.5 mA
Io=5mA -1.8
f=120Hz,Tj=25°C
Tj=25°C
VI=35V, Tj=25°C
Tj=25°C
Tj=25°C, I
I =21V to 33V,IO=5mA - 1.0A 17.10 18.90 V
V
Tj=25°C,I
I =21V to 33V,Tj=25°C
Tj=25°C, I
Tj=25°C, I
VI =21.5V to 33V 1.0 mA
IO=5mA - 1.0A 0.5 mA
Io=5mA -2.2
V
I =22V - 32V,f=120Hz,Tj=25°C
Tj=25°C
VI=35V, Tj=25°C
Tj=25°C
O=5mA - 1.0A
I =17.5V to 30V,
V
O=5mA - 1.5A
O=0.25A - 0.75A
O =1A
O=<1A
O=5mA - 1.0A
O=5mA - 1.5A
O=0.25A - 0.75A
O =<1A,PD<15W
O=<1A
14.40 15.0 15.60 V
14.25 15.75 V
150 mV
75 mV
150 mV
150 mV
8.0 mA
µV
mV/°C
54 70 dB
1.8 A
250 mA
2.0 V
17.28 18.0 18.72 V
180 mV
90 mV
180 mV
180 mV
8.0 mA
µV
mV/°C
53 69 dB
1.8 A
250 mA
2.0 V
UTC UNISONIC TECHNOLOGIES CO., LTD. 5
QW-R101-006,C
UTC LM78XX LINEAR INTEGRATED CIRCUIT
UTC LM7824 ELECTRICAL CHARACTERISTICS
( VI=33V, Io=0.5A, Tj= 0°C - 12°C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Output Voltage Vo
Load Regulation
Line regulation
Quiescent Current Iq
Quiescent Current Change
Output Noise Voltage VN 10Hz<=f<=100kHz 170
Temperature coefficient of Vo
Ripple Rejection RR
Peak Output Current IPK
Short-Circuit Current ISC
Dropout Voltage Vd
Note 1: The Maximum steady state usable output current are dependent on input voltage, heat sinking, lead length
of the package and copper pattern of PCB. The data above represents pulse test conditions with junction
temperatures specified at the initiation of test.
Note 2: Power dissipation<0.5W
∆Vo Tj=25°C,I
∆Vo V
∆Iq
∆Iq
∆Vo/∆T
APPLICATION CIRCUIT
Vi Vo
1
Tj=25°C, I
I =27V to 38V,IO=5mA - 1.0A 22.80 25.20 V
V
Tj=25°C,I
I =27V to 38V,Tj=25°C
V
I =27V to 38V,Tj=25°C,Io=1A
Tj=25°C, I
VI =28V to 38V 1.0 mA
IO=5mA - 1.0A 0.5 mA
Io=5mA -2.8
V
I =28V - 38V,f=120Hz,Tj=25°C
Tj=25°C
VI=35V, Tj=25°C
Tj=25°C
O=5mA - 1.0A
O=5mA - 1.5A
O=0.25A - 0.75A
O=<1A
23.04 24.0 24.96 V
240 mV
120 mV
240 mV
240 mV
8.0 mA
µV
mV/°C
50 66 dB
1.8 A
250 mA
2.0 V
UTC LM78XX
3
C1
0.33
µ
F
2
C0
0.1
µ
F
Note 1: To specify an output voltage, substitute voltage value for "XX".
Note 2: Bypass capacitors are recommended for optimum stability and transient response and should be located as
close as possible to the regulators.
UTC UNISONIC TECHNOLOGIES CO., LTD. 6
QW-R101-006,C
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