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LM1085-XXXJ3 データシート(PDF) 3 Page - Cystech Electonics Corp.

部品番号 LM1085-XXXJ3
部品情報  3A Low Dropout Positive Voltage Regulator
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メーカー  CYSTEKEC [Cystech Electonics Corp.]
ホームページ  http://www.cystekec.com
Logo CYSTEKEC - Cystech Electonics Corp.

LM1085-XXXJ3 データシート(HTML) 3 Page - Cystech Electonics Corp.

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CYStech Electronics Corp.
Spec. No. : C540J3
Issued Date : 2003.06.25
Revised Date :2013.09.11
Page No. : 3/9
LM1085-XXXJ3
CYStek Product Specification
Electrical Characteristics (IO=10mA,Tj=25℃,unless otherwise noted)
Symbol
Parameter
Conditions
Min
Typ
Max Units
VREF
Reference Voltage
LM1085-Adj, Vin =5V
1.225 1.250 1.275
V
Vo
Output Voltage
(fixed versions)
LM1085-1.5, 3.0V≤Vin≤12V
LM1085-1.8, 3.3V≤Vin≤12V
LM1085-2.5, 4.0V≤Vin≤12V
LM1085-3.3, 4.8V≤Vin≤12V
LM1085-5.0, 6.5V≤Vin≤12V
1.470
1.764
2.450
3.235
4.900
1.500
1.800
2.500
3.300
5.000
1.530
1.836
2.550
3.365
5.100
V
Adj : 2.75V
≤Vin≤12V
ΔVo
Line Regulation
Fixed : 1.5+Vout
≤Vin≤12V
-
-
0.2
%
LM1085-Adj,Vin=3.3V, 10mA
≤Io≤3A (Note 1, 2)
-
-
1
%
LM1085-1.5, Vin=3.0V, 10mA≤IO≤3A(Note 1, 2)
-
12
15
mV
LM1085-1.8, Vin=3.3V, 10mA≤IO≤3A(Note 1, 2)
-
15
18
mV
LM1085-2.5, Vin=4.0V, 10mA≤IO≤3A(Note 1, 2)
-
20
25
mV
LM1085-3.3, Vin=5.0V, 10mA≤IO≤3A(Note 1, 2)
-
26
33
mV
ΔVo
Load Regulation
LM1085-5.0, Vin=8.0V, 10mA≤IO≤3A(Note 1, 2)
-
40
50
mV
Is
Current Limit
Vin-Vout=5V
3
4.5
-
A
IAdj
Adjust Pin Current
Adjustable model, Vin=12V, Iout=10mA
-
40
100
μ
A
IQ
Quiescent Current
Fixed model, Vin=12V, IO=10mA
-
7
12
mA
Ts
Temperature Stability
IO=10mA, 0
°C≤Tj≤125°C
-
0.5
-
%
IL
Minimum Load Current Adjustable model, Vin=5V
-
3
10
mA
RR
Ripple Rejection Ratio
VIN-VOUT=3V, IO=3A, f=120Hz,
COUT=25μF, tantalum
60
65
-
dB
VD
Dropout Voltage
IO=3A(ΔVOUT=1%VOUT)
-
1.3
1.4
V
Rth, j-a
Thermal Resistance,
Junction to Ambient
No heat sink, no air flow
-
98
-
/W
Rth, j-c
Thermal Resistance,
Junction to Case
Control Circuitry/Power Transistor
-
15
-
/W
Note : 1.See thermal regulation specifications for changes in output voltage due to heating effects. Line and load regulation are measured at
a constant junction temperature by low duty cycle pulse testing. Load regulation is measured at the output lead 1/18” from the
package.
2. Line and load regulation are guaranteed up to the maximum power dissipation of 15W. Power dissipation is determined by the
difference in input and output and the output current. Guaranteed maximum power dissipation will not be available over the full
input/output range.
Recommended soldering footprint


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