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78LXX-AB3-B-R Datasheet(PDF) 5 Page - Unisonic Technologies

Part # 78LXX-AB3-B-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

78LXX-AB3-B-R Datasheet(HTML) 5 Page - Unisonic Technologies

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78LXX
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
5 of 8
www.unisonic.com.tw
QW-R101-001,AG
ELECTRICAL CHARACTERISTICS (Cont.)
For UTC78L15 (VIN=23V, IOUT=40mA, 0°C <TJ<125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
TJ=25°C
14.40 15.0
15.60
V
17.5V≦VIN≦30V,IOUT=1mA-40mA
14.25
15.75
V
Output Voltage
VOUT
17.5V≦VIN≦VMAX, IOUT=1mA-70mA
14.25
15.75 V(note 2)
TJ=25°C,IOUT=1mA-100mA
20
150
mV
Load Regulation
VOUT
Tj=25°C,IOUT=1mA-70mA
25
150
mV
17.5V≦VIN≦30V,TJ=25°C
25
150
mV
Line regulation
VOUT
20V≦VIN≦30V,TJ=25°C
15
75
mV
Quiescent Current
∆IQ
VIN=23V,IOUT=0mA,TJ=25°C
2.2
6.5
mA
20V≦VIN≦30V
1.5
mA
Quiescent Current Change
∆IQ
1mA≦VIN≦40mA
0.1
mA
Output Noise Voltage
eN
10Hz≦f≦100kHz
90
uV
Temperature coefficient of VOUT
∆VO/∆T IOUT=5mA
-1.3
mV/
°C
Ripple Rejection
RR
18.5V≦VIN≦28.5V,f=120Hz, TJ=25°C
34
63
dB
Dropout Voltage
VD
TJ=25°C
1.7
V
For UTC78L18 (VIN=27V,IOUT=40mA,0°C<TJ<125°C,C1=0.33uF,Co=0.1uF,unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
TJ=25°C
17.28 18.0
18.72
V
21V≦VIN≦33V,IOUT=1mA-40mA
17.10
18.90
V
Output Voltage
VOUT
21V≦VIN≦VMAX,IOUT=1mA-70mA
17.10
18.90 V(note 2)
TJ=25°C,IOUT=1mA-100mA
30
170
mV
Load Regulation
VOUT
TJ=25°C,IOUT=1mA-40mA
15
85
mV
21V≦VIN≦33V,TJ=25°C
145
300
mV
Line regulation
VOUT
22V≦VIN≦33V,TJ=25°C
135
250
mV
Quiescent Current
∆IQ
VIN=27V,IOUT=0mA,TJ=25°C
2.0
6.0
mA
21V≦VIN≦33V
1.5
mA
Quiescent Current Change
∆IQ
1mA≦VIN≦40mA
0.1
mA
Output Noise Voltage
eN
10Hz≦f≦100kHz
150
uV
Temperature coefficient of VOUT
∆VO/∆T IOUT=5mA
-1.8
mV/
°C
Ripple Rejection
RR
23V≦VIN≦33V,f=120Hz,TJ=25°C
34
48
dB
Dropout Voltage
VD
TJ=25°C
1.7
V
For UTC78L24 (VIN=33V,IOUT=40mA,0°C <TJ<125°C,C1=0.33uF,Co=0.1uF,unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
TJ=25°C
23.04 24.0
24.96
V
27V≦VIN≦38V,IOUT=1mA-40mA
22.8
25.2
V
Output Voltage
VOUT
27V≦VIN≦VMAX, IOUT=1mA-70mA
22.8
25.2 V(note 2)
TJ=25°C,IOUT=1mA-100mA
40
200
mV
Load Regulation
△
VOUT
TJ=25°C,IOUT=1mA-40mA
20
100
mV
27V≦VIN≦38V,TJ=25°C
160
300
mV
Line regulation
△
VOUT
28V≦VIN≦38V,TJ=25°C
150
250
mV
Quiescent Current
∆IQ
VIN=33V,IOUT=0mA,TJ=25°C
2.2
6.0
mA
27V≦VIN≦38V
1.5
mA
Quiescent Current Change
∆IQ
1mA≦VIN≦40mA
0.1
mA
Output Noise Voltage
eN
10Hz≦f≦100kHz
200
uV
Temperature coefficient of VOUT
∆VO/∆T IOUT=5mA
-2.0
mV/
°C
Ripple Rejection
RR
27V≦VIN≦38V,f=120Hz,TJ=25°C
34
45
dB
Dropout Voltage
VD
TJ=25°C
1.7
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.
2.Power dissipation<0.5W



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