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TPS62403 Datasheet(PDF) 11 Page - Texas Instruments

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Part # TPS62403
Description  2.25MHz 400mA/600mA Dual Step-Down Converter In Small 3x3mm QFN Package
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS62403 Datasheet(HTML) 11 Page - Texas Instruments

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1.500
1.525
1.550
1.575
1.600
1.625
1.650
0.01
0.10
1
10
1000
I
-mA
OUT
MODE/DATA =low,PFMMode,voltagepositioningactive
MODE/DATA =high,forcedPWMMode
100
PWMMode
Operation
V
=1.575V
OUT1
V
=4.2V
IN
V
=3.6V
IN
V
=3.6V
IN
V
=4.2V
IN
V
=2.7V
IN
V
=2.7V
IN
1.500
1.525
1.550
1.575
1.600
1.625
1.650
0.01
0.10
1
10
1000
I
-mA
OUT
MODE/DATA =low,PFMMode,voltagepositioningactive
MODE/DATA =high,forcedPWMMode
100
PWMMode
Operation
V
=1.575V
OUT1
V
=3.6V
IN
V
=4.2V
IN
V
=2.7V
IN
V
=4.2V
IN
V
=3.6V
IN
V
=2.7V
IN
2
2.05
2.1
2.15
2.2
2.25
2.3
2.35
2.4
2.45
2.5
2.5
3
3.5
4
4.5
5
5.5
6
V
-V
IN
-40°C
25°C
85°C
17
18
19
20
21
22
23
24
2.5
3
3.5
4
4.5
5
5.5
6
V
-V
IN
85°C
25°C
-40°C
TPS62400
,, TPS62401
TPS62403
SLVS681C – JUNE 2006 – REVISED DECEMBER 2006
DC OUTPUT ACCURACY VOUT1 = 1.575V,
DC OUTPUT ACCURACY VOUT1 = 1.575V,
L = 2.2
µH, C
OUT = 22µF
L = 3.3
µH, C
OUT = 10µF
Figure 11.
Figure 12.
FOSC vs VIN
Iq FOR ONE CONVERTER, NOT SWITCHING
Figure 13.
Figure 14.
11
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