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What is 78L05?

This electronic component, produced by the manufacturer "Unisonic Technologies", performs the same function as "0.1A, 5V, POSITIVE VOLTAGE REGULATOR".


78L05 Datasheet PDF - Unisonic Technologies

Part Number 78L05
Description 0.1A, 5V, POSITIVE VOLTAGE REGULATOR
Manufacturers Unisonic Technologies 
Logo Unisonic Technologies Logo 

78L05 is a voltage regulator integrated circuit (IC) that provides a regulated output voltage of 5 volts. It is commonly used in electronic circuits to provide a stable voltage supply to other components, such as microcontrollers, sensors, and LEDs.

The "78" in its name indicates that it belongs to the 78xx series of linear voltage regulators, while "L05" indicates the specific model number for the 5-volt version.


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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
Lead Free
Halogen Free
Package
Pin Assignment
1234567
-
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
OGGNNGG
78LXXL-T92-B
78LXXG-T92-B
TO-92
OG I - - - -
78LXXL-T92-K
78LXXG-T92-K
TO-92
OG 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
8
-
-
I
-
-
-
-
Packing
Tape Reel
Tape Reel
Tape Reel
Tape Reel
Tape Box
Bulk
Tape Box
Bulk
www.unisonic.com.tw
Copyright © 2014 Unisonic Technologies Co., Ltd
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78L05 equivalent
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
TJ=25°C
11.52 12.0 12.48 V
Output Voltage
VOUT 14.5VVIN27V,IOUT=1mA-40mA 11.40
12.60 V
14.5VVINVMAX, IOUT=1mA-70mA 11.40
12.60 V(note 2)
Load Regulation
VOUT
TJ=25°C, IOUT=1mA-100mA
TJ=25°C, IOUT=1mA-40mA
22 100
13 50
mV
mV
Line regulation
VOUT
14.5VVIN27V,TJ=25°C
16VVIN27V,TJ=25°C
25 300
20 250
mV
mV
Quiescent Current
IQ VIN=19V,IOUT=0mA,TJ=25°C
2.0 6.0
mA
Quiescent Current Change
IQ
16VVIN27V
1mAVIN40mA
1.5 mA
0.1 mA
Output Noise Voltage
eN 10Hzf100kHz
80 μV
Temperature coefficient of VOUT
VO/T IOUT=5mA
-1.0 mV/C
Ripple Rejection
RR 15VVIN25V,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
Output Voltage
TJ=25°C
VOUT 17.5VVIN30V,IOUT=1mA-40mA
14.40 15.0 15.60
14.25
15.75
V
V
Load Regulation
Line Regulation
Quiescent Current
VOUT
VOUT
IQ
17.5VVINVMAX, IOUT=1mA-70mA
TJ=25°C, IOUT=1mA-100mA
TJ=25°C, IOUT=1mA-40mA
17.5VVIN30V,TJ=25°C
20VVIN30V,TJ=25°C
VIN=23V,IOUT=0mA,TJ=25°C
14.25
15.75 V(note 2)
25 150
mV
15 75
mV
25 150
mV
15 75
mV
2.2 6.5
mA
Quiescent Current Change
IQ
20VVIN30V
1mAVIN40mA
1.5 mA
0.1 mA
Output Noise Voltage
eN 10Hzf100kHz
90 μV
Temperature Coefficient of VOUT VO/T IOUT=5mA
-1.3 mV/C
Ripple Rejection
Dropout Voltage
RR 18.5VVIN28.5V,f=120Hz, TJ=25°C 34
VD TJ=25°C
63
1.7
dB
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
Output Voltage
TJ=25°C
VOUT 21VVIN33V,IOUT=1mA-40mA
17.64 18.0 18.36
17.46
18.54
V
V
Load Regulation
Line Regulation
Quiescent Current
VOUT
VOUT
IQ
21VVINVMAX,IOUT=1mA-70mA
TJ=25°C, IOUT=1mA-100mA
TJ=25°C, IOUT=1mA-40mA
21VVIN33V,TJ=25°C
22VVIN33V,TJ=25°C
VIN=27V,IOUT=0mA,TJ=25°C
17.46
27
19
145
135
2.0
18.54 V(note 2)
180 mV
90 mV
300 mV
250 mV
6.0 mA
Quiescent Current Change
IQ
21VVIN33V
1mAVIN40mA
1.5 mA
0.1 mA
Output Noise Voltage
eN 10Hzf100kHz
150 μV
Temperature Coefficient of VOUT VO/T IOUT=5mA
-1.8 mV/C
Ripple Rejection
Dropout Voltage
RR 23VVIN33V,f=120Hz,TJ=25°C
VD TJ=25°C
34 48
1.7
dB
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
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 8
QW-R101-001.R


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78L05 voltage regulator


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