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78TXXAL-TQ3-R Fiches technique(PDF) 7 Page - Unisonic Technologies

No de pièce 78TXXAL-TQ3-R
Description  3-TERMINAL 1A POSITIVE VOLTAGE REGULATOR
PDF  9 Pages
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Fabricant  UTC [Unisonic Technologies]
Site Internet  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

78TXXAL-TQ3-R Fiches technique(HTML) 7 Page - Unisonic Technologies

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78TXXA
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
7 of 9
www.unisonic.com.tw
QW-R101-011.L
ELECTRICAL CHARACTERISTICS(Cont.)
FOR 78T18A
(VIN=27V, IOUT=0.5A)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Output Voltage
VOUT
TJ=25°C, IOUT=5mA-1.0A
17.28
18.0
18.72
V
VIN=21V~33V, IOUT=5mA-1.0A, PD 15W
≦
17.10
18.90
V
Load Regulation
ΔVOUT
TJ=25°C, IOUT=5mA-1.0A
180
mV
TJ=25°C, IOUT=0.25A-0.75A
90
mV
Line regulation
ΔVOUT
VIN=21V~33V, TJ=25°C
180
mV
VIN=21V~33V, TJ=25°C, IOUT=1.0A
180
mV
Quiescent Current
IQ
TJ=25°C, IOUT 1.0A
≦
8.0
mA
Quiescent Current Change
ΔIQ
VIN=21.5V~33V
1.0
mA
IOUT=5mA-1.0A
0.5
mA
Output Noise Voltage
eN
10Hz f 100kHz
≦≦
110
μV
Temperature coefficient of Vo
ΔVo/ΔT
IOUT=5mA
-2.2
mV/
°C
Ripple Rejection
RR
VIN=22V-32V, f=120Hz, TJ=25°C
53
69
dB
Peak Output Current
IPEAK
TJ=25°C
1.8
A
Short-Circuit Current
ISC
VIN=35V, TJ=25°C
250
mA
Dropout Voltage
VD
TJ=25°C
2.0
V
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



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