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78TXXAL-TQ2-R Folha de dados(PDF) 7 Page - Unisonic Technologies

Nome de Peças 78TXXAL-TQ2-R
Descrição Electrónicos  3-TERMINAL 1A POSITIVE VOLTAGE REGULATOR
PDF  7 Pages
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Fabricante Electrônico  UTC [Unisonic Technologies]
Página de início  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

78TXXAL-TQ2-R Folha de dados(HTML) 7 Page - Unisonic Technologies

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78TXXA
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
7 of 7
www.unisonic.com.tw
QW-R101-012.I
ELECTRICAL CHARACTERISTICS(Cont.)
FOR 78T18A
(VIN=27V, IOUT=0.5A)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
TJ=25°C, IOUT=5mA-1.0A
17.28
18.0
18.72
V
Output Voltage
VOUT
VIN=21V~33V, IOUT=5mA-1.0A, PD 15W
≦
17.10
18.90
V
TJ=25°C, IOUT=5mA-1.0A
180
mV
Load Regulation
ΔVOUT
TJ=25°C, IOUT=0.25A-0.75A
90
mV
VIN=21V~33V, TJ=25°C
180
mV
Line regulation
ΔVOUT
VIN=21V~33V, TJ=25°C, IOUT=1.0A
180
mV
Quiescent Current
IQ
TJ=25°C, IOUT 1.0A
≦
8.0
mA
VIN=21.5V~33V
1.0
mA
Quiescent Current Change
ΔIQ
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
FOR 78T24A
(VIN=33V, IOUT=0.5A)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
TJ=25°C, IOUT=5mA-1.0A
23.04 24.0
24.96
V
Output Voltage
VOUT
VIN=27V~38V, IOUT=5mA-1.0A, PD 15W
≦
22.80
25.20
V
TJ=25°C, IOUT=5mA-1.0A
240
mV
Load Regulation
ΔVOUT
TJ=25°C, IOUT=0.25A-0.75A
120
mV
VIN=27V~38V, TJ=25°C
240
mV
Line regulation
ΔVOUT
VIN=27V~38V, TJ=25°C, IOUT=1.0A
240
mV
Quiescent Current
IQ
TJ=25°C, IOUT 1.0A
≦
8.0
mA
VIN=28V~38V
1.0
mA
Quiescent Current Change
ΔIQ
IOUT=5mA-1.0A
0.5
mA
Output Noise Voltage
eN
10Hz f 100kHz
≦≦
170
μV
Temperature coefficient of Vo
ΔVo/ΔT IOUT=5mA
-2.8
mV/
°C
Ripple Rejection
RR
VIN=28V-38V, f=120Hz, TJ=25°C
50
66
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
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.



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