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PDF UTC78L18 Data sheet ( Hoja de datos )

Número de pieza UTC78L18
Descripción LINEAR INTEGRATED CIRCUIT
Fabricantes Unisonic Technologies 
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No Preview Available ! UTC78L18 Hoja de datos, Descripción, Manual

UTC78LXX 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, 12V,
15V, 18V and 24V available
*Thermal overload shutdown protection
*Short circuit current limiting
TEST CIRCUIT
SOP-8
1
TO-92
1
SOT-89
SOP-8 1:Output 2,3,6,7:GND 8:Input
4,5:N.C.
TO-92 1:Output 2:GND; 3:Input
SOT-89 1:Output 2:GND; 3:Input
R13
T10
R17
T8
R14
T11
T5
R9 Z2
T9
T13
T12
R19
R18
T14
R12
R11 R10
R15
Z1
R16
T6
R5
T4
T15
R1
T1
R4
R2
T2
R6
C1
T3
T7
R8
R7
R3
INPUT
3
OUTPUT
1
GND
2
UTC UNISONIC TECHNOLOGIES CO., LTD. 1
QW-R101-001,D

1 page




UTC78L18 pdf
UTC78LXX LINEAR INTEGRATED CIRCUIT
UTC78L18 ELECTRICAL CHARACTERISTICS
(VI=27V,Io=40mA,0°C<Tj<125°C,C1=0.33uF,Co=0.1uF,unless otherwise specified)(Note 1)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
Tj=25°C
17.28
Output Voltage
VO 21V<=VI<=33V,IO=1mA-40mA 17.10
21V<=VI<=VMAX,
17.10
Load Regulation
Line regulation
Quiescent Current
Quiescent Current Change
IO=1mA-70mA
Vo Tj=25°C,IO=1mA-100mA
Tj=25°C,IO=1mA-40mA
Vo 21V<=VI<=33V,Tj=25°C
22V<=VI<=33V,Tj=25°C
Iq VIN=27V,IO=0mA,Tj=25°C
Iq 21V<=VI<=33V
Iq 1mA<=VI<=40mA
Output Noise Voltage
Temperature coefficient of Vo
Ripple Rejection
Dropout Voltage
VN
Vo/T
RR
Vd
10Hz<=f<=100kHz
Io=5mA
23V<=VI<=33V,f=120Hz,Tj=25°C
Tj=25°C
34
TYP
18.0
30
15
145
135
2.0
150
-1.8
48
1.7
MAX UNIT
18.72 V
18.90 V
18.90 V
(note 2)
170 mV
85 mV
300 mV
250 mV
6.0 mA
1.5 mA
0.1 mA
uV
mV/°C
dB
V
UTC78L24 ELECTRICAL CHARACTERISTICS
(VI=33V,Io=40mA,0°C <Tj<125°C,C1=0.33uF,Co=0.1uF,unless otherwise specified)(Note 1)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP
Tj=25°C
23.04 24.0
Output Voltage
VO 27V<=VI<=38V,IO=1mA-40mA 22.8
27V<=VI<=VMAX,
22.8
Load Regulation
Line regulation
Quiescent Current
Quiescent Current Change
IO=1mA-70mA
Vo Tj=25°C,IO=1mA-100mA
Tj=25°C,IO=1mA-40mA
Vo 27V<=VI<=38V,Tj=25°C
28V<=VI<=38V,Tj=25°C
Iq VIN=33V,IO=0mA,Tj=25°C
Iq 27V<=VI<=38V
Iq 1mA<=VI<=40mA
40
20
160
150
2.2
Output Noise Voltage
Temperature coefficient of Vo
Ripple Rejection
Dropout Voltage
VN 10Hz<=f<=100kHz
200
Vo/T Io=5mA
-2.0
RR 27V<=VI<=38V,f=120Hz,Tj=25°C 34 45
Vd Tj=25°C
1.7
MAX UNIT
24.96 V
25.2 V
25.2 V
(note 2)
200 mV
100 mV
300 mV
250 mV
6.0 mA
1.5 mA
0.1 mA
uV
mV/°C
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. The data above represent pulse test conditions with junction
temperatures specified at the initiation of test.
Note 2: Power dissipation<0.5W
UTC UNISONIC TECHNOLOGIES CO., LTD. 5
QW-R101-001,D

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