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78T12AL-TQ3-R Datasheet(PDF) 7 Page - Unisonic Technologies

Part # 78T12AL-TQ3-R
Description  3-TERMINAL 1A POSITIVE VOLTAGE REGULATOR
PDF  9 Pages
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Manufacturer  UTC [Unisonic Technologies]
Direct Link  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

78T12AL-TQ3-R Datasheet(HTML) 7 Page - Unisonic Technologies

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78TXXA
LINEAR INTEGRATED CIRCUIT
UNISONIC TECHNOLOGIES CO., LTD
7 of 9
www.unisonic.com.tw
QW-R101-011.M
ELECT RI CAL CH ARACT ERI ST I CS (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
V
OUT
TJ=25C, IOUT=0.25A-0.75A
90
mV
VIN=21V~33V, TJ=25C
180
mV
Line regulation
V
OUT
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
I
Q
IOUT=5mA-1.0A
0.5
mA
Output Noise Voltage
eN
10Hz≦≦
f
100kHz
110
V
Temperature coefficient of Vo
Vo/T
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
V
OUT
TJ=25C, IOUT=0.25A-0.75A
120
mV
VIN=27V~38V, TJ=25C
240
mV
Line regulation
V
OUT
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
I
Q
IOUT=5mA-1.0A
0.5
mA
Output Noise Voltage
eN
≦≦
10Hz
f
100kHz
170
V
Temperature coefficient of Vo
Vo/T I
OUT=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



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