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LM3248 Fiches technique(PDF) 11 Page - Texas Instruments

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No de pièce LM3248
Description  LM3248 2.7 MHz, 2.5A Adjustable Boost-Buck DC/DC Converter
Download  31 Pages
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

LM3248 Fiches technique(HTML) 11 Page - Texas Instruments

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0.15
1.50
Load Current (A)
0.8Vout
1.0Vout
1.8Vout
2.5Vout
3.0Vout
3.4Vout
C012
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Load Current (A)
0.8Vout
1.0Vout
1.8Vout
2.5Vout
3.0Vout
3.4Vout
C013
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0.01
0.10
1.00
Load Current (A)
0.4Vout
0.6Vout
0.8Vout
1.0Vout
1.5Vout
2.0Vout
2.5Vout
3.0Vout
C001
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0.4Vout
0.6Vout
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1.0Vout
1.5Vout
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2.5Vout
3.0Vout
3.5Vout
C004
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0.8Vout
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4.0Vout_Boost
C003
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3.0Vout
3.5Vout_Boost
4.0Vout_Boost
C002
LM3248
www.ti.com
SNVSA01A – JULY 2013 – REVISED SEPTEMBER 2013
TYPICAL CHARACTERISTICS (continued)
For all Efficiency vs Load Current graphs, L1=1276AS-H-1R0N, L3=1285AS-H-1R5N.
Efficiency vs Load Current
Efficiency vs Load Current
VBATT=3.4V, MODE=3G4G, TBOOSTGATE=10ms
VBATT=3.7V, MODE=3G4G, TBOOSTGATE=10ms
Figure 9.
Figure 10.
Efficiency vs Load Current
Efficiency vs Load Current
VBATT=3.4V, MODE=3G4G, BOOST_GATE=LOW
VBATT=3.7V, MODE=3G4G, BOOST_GATE=LOW
Figure 11.
Figure 12.
Efficiency vs Load Current
Efficiency vs Load Current
VBATT=3.0V, MODE=2G, TBOOSTGATE=4.62ms
VBATT=3.4V, MODE=2G, TBOOSTGATE=4.62ms
Figure 13.
Figure 14.
Copyright © 2013, Texas Instruments Incorporated
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