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What is UTC7818?

This electronic component, produced by the manufacturer "YOUW ANG", performs the same function as "3 TERMINAL 1A POSITIVE Voltage Regulator".


UTC7818 Datasheet PDF - YOUW ANG

Part Number UTC7818
Description 3 TERMINAL 1A POSITIVE Voltage Regulator
Manufacturers YOUW ANG 
Logo YOUW ANG Logo 


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UTC78XX
LINEAR INTEGRATED CIRCUIT
3 TERMINAL 1A POSITIVE
VOLTAGE REGULATORS
DESCRIPTION
The UTC78XX series o three-terminal positive regulators
are available in TO-220 package and with several fixed
output voltage, making them useful in a wide range of
application. Each type employs internal current limiting,
thermal shut-down and safe area protection, making it
essentially indestructible. If adequate heat sinking is
provided ,they can deliver over 1A output current, Although
designed as fixed voltage regulators, these devices can be
used with external components to obtain adjustable voltage
and currents.
FEATURES
*Output current up to 1A
*5V;6V;8V;9V;10V;12V;15V;18V;24V output voltage
available
*Thermal overload protection
*Short circuit protection
*Output transistor SOA protection
BLOCK DIAGRAM
1
TO-220
1:INPUT; 2:GND; 3:OUTPUT
1
Input
3
Output
2
GND
ABSOLUTE MAXIMUM RATINGS(Ta=25°C)
Characteristic
Symbol
Input voltage
(for Vo=5V to 18V)
Vi
(forVo=24V)
Thermal resistance junction-air
Rθ JA
Thermal resistance junction-cases
R©JC
Operating Temperature
Topr
Storage Temperature
Tstg
Value
35
40
65
5
0~ +125
-65 ~ +150
www.DataSheet4U.com
YOUW ANG ELECTRONICS CO.LTD
Unit
V
V
°C/W
°C/W
°C
°C
1

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UTC7818 equivalent
UTC78XX
LINEAR INTEGRATED CIRCUIT
UTC7815 ELECTRICAL CHARACTERISTICS
(Refer to test circuits,0<Tj<125°C,Io=500mA,Vi=23V,Ci=0.33µF, Co=0.1µF, unless otherwise specified)
Characteristic
Symbol
Test Conditions
Min Typ Max Units
Tj=25°C
14.4 15.0 15.6 V
Output voltage
Vo 5.0mA<Io<1.0A,Po<15W
Vi=17.5V to 30V
14.25 15 15.75 V
Line regulation
Vo Tj=25°C,Vi=17.5V to 30V
11 300 mV
Tj=25°C,Vi=20V to 26V
3 150 mV
Load regulation
Vo Tj=25°C,Io=5.0mA to 1.5A
12 300 mV
Tj=25°C,Io=250mA to 750mA
4 150 mV
Quiescent current
IQ Tj=25°C
5.2 8 mA
Quiescent current change
IQ Io=5mA to 1.0A
0.5 mA
Vi=17.5V to 305V
1.0 mA
Output voltage drift
Vo/T Io=5mA
-1 mV/°C
Output noise voltage
VN f=10Hz to 100kHz,Ta=25°C
90 µV
Ripple rejection
RR f=120Hz, Vi=18.5V to 28.5V
54 70
dB
Dropout voltage
Vo Io=1.0A,Tj=25°C
2V
Output resistance
Ro f=1kHz
19 m
Short circuit current
Isc Vi=35V,Ta=25°C
250 mA
peak current
Ipk Tj=25°C
2.2 A
UTC7818 ELECTRICAL CHARACTERISTICS
(Refer to test circuits,0<Tj<125°C,Io=500mA,Vi=23V,Ci=0.33µF, Co=0.1µF, unless otherwise specified)
Characteristic
Symbol
Test Conditions
Min Typ Max Units
Tj=25°C
17.3 18.0 18.7 V
Output voltage
Vo 5.0mA<Io<1.0A,Po<15W
Vi=21V to 33V
17.1 18 18.9 V
Line regulation
Vo Tj=25°C,Vi=21V to 33V
15 360 mV
Tj=25°C,Vi=24V to 30V
5 180 mV
Load regulation
Vo Tj=25°C,Io=5.0mA to 1.5A
15 360 mV
Tj=25°C,Io=250mA to 750mA
5.0 180 mV
Quiescent current
IQ Tj=25°C
5.2 8 mA
Quiescent current change
IQ Io=5mA to 1.0A
0.5 mA
Vi=21V to 32V
1.0 mA
Output voltage drift
Vo/T Io=5mA
-1 mV/°C
Output noise voltage
VN f=10Hz to 100kHz,Ta=25°C
110 µV
Ripple rejection
RR f=120Hz, Vi=22V to 32V
53 69
dB
Dropout voltage
Vo Io=1.0A,Tj=25°C
2V
Output resistance
Ro f=1kHz
22 m
Short circuit current
Isc Vi=35V,Ta=25°C
250 mA
peak current
Ipk Tj=25°C
2.2 A
www.DataSheet4U.com
YOUW ANG ELECTRONICS CO.LTD
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