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LM3280 データシート(PDF) 8 Page - Texas Instruments

部品番号 LM3280
部品情報  Adjustable Step-Down DC-DC Converter and 3 LDOs for RF Power Management
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メーカー  TI [Texas Instruments]
ホームページ  http://www.ti.com
Logo TI - Texas Instruments

LM3280 データシート(HTML) 8 Page - Texas Instruments

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0
4
8
12
16
20
OUTPUT CURRENT (mA)
100
80
60
20
0
40
TA = 85
oC
TA = 25
oC
TA = -30
oC
0
10
20
30
40
50
60
OUTPUT CURRENT (V)
0.0
TA = -30°C
0.5
1.0
1.5
2.0
2.5
3.0
3.5
TA = 85°C
TA = 25°C
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
SUPPLY VOLTAGE (V)
2.830
IOUT = 1 mA
IOUT = 10 mA
IOUT = 20 mA
2.835
2.840
2.845
2.850
2.855
2.860
2.865
-40
-20
0
20
40
60
80
100
AMBIENT TEMPERATURE (°C)
2.830
IOUT = 1 mA
IOUT = 10 mA
IOUT = 20 mA
2.835
2.840
2.845
2.850
2.855
2.860
2.865
LDO
20 Ps/DIV
500 mV/DIV
5V/DIV
ENLDO
VIN = 3.0V
COUT = 1 éF
No Load
10 Ps/DIV
1 mA
10 mV/DIV
AC Coupled
IOUT
LDO
10 mA
LM3280
SNOSAU4B – OCTOBER 2006 – REVISED FEBRUARY 2013
www.ti.com
Typical Performance Characteristics (continued)
(VIN = ENBUCK = 3.6V, ENLDOx = BYP = 0V, TA = 25°C, unless otherwise noted)
LDO Turn OFF
LDO Load Transient Response
(ENLDO = High to Low)
(COUT = 1µF)
Figure 9.
Figure 10.
LDO Voltage
LDO Voltage
vs
vs
Supply Voltage
Temperature
Figure 11.
Figure 12.
LDO Dropout Voltage
LDO Voltage vs
vs
Output Current
Output Current
(VIN = 3.6V)
Figure 13.
Figure 14.
8
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Product Folder Links: LM3280


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