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78TXXAL-TQ2-D-R Datasheet(PDF) 7 Page - Unisonic Technologies

Part # 78TXXAL-TQ2-D-R
Description  LINEAR INTEGRATED CIRCUIT
PDF  8 Pages
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Manufacturer  UTC [Unisonic Technologies]
Direct Link  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

78TXXAL-TQ2-D-R Datasheet(HTML) 7 Page - Unisonic Technologies

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78TXXA
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
7 of 8
www.unisonic.com.tw
QW-R101-011,F
ELECTRICAL CHARACTERISTICS(Cont.)
FOR 78T24A (VIN=33V, IOUT=0.5A, TJ= 0°C - 125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified)(Note 1)
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
µV
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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