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TPS749XX Datasheet(PDF) 8 Page - Texas Instruments

Part No. TPS749XX
Description  3.0A Low Dropout Linear Regulator with Programmable Soft-Start
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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TPS749XX Datasheet(HTML) 8 Page - Texas Instruments

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2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
1.0
1.5
0.5
2.0
2.5
I
(A)
OUT
3.0
+125 C
°
+25 C
°
-
°
40 C
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
2.0
2.5
3.0
3.5
4.0
4.5
5.0
V
(V)
BIAS
5.5
+125 C
°
+25 C
°
-
°
40 C
500
475
450
425
400
375
350
325
300
-50
-25
0
25
50
75
100
JunctionTemperature( C)
°
125
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
2
4
6
8
10
12
PGCurrent(mA)
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
1.0
2.0
2.5
1.5
3.0
3.5
4.0
4.5
V
BIAS
OUT
- V
(V)
5.0
+125 C
°
-
°
40 C
+25 C
°
V
=0.8V
OUT
DrivecapabilityofoutputFETlimits
I
whenV
V
isunder2.0V.
OUT
BIAS
OUT
-
TPS749xx
SBVS082A – JUNE 2007 – REVISED JULY 2007
BIAS PIN CURRENT vs
BIAS PIN CURRENT vs
IOUT AND TEMPERATURE (TJ)
VBIAS AND TEMPERATURE (TJ)
Figure 15.
Figure 16.
SOFT-START CHARGING CURRENT (ISS) vs
TEMPERATURE (TJ)
LOW-LEVEL PG VOLTAGE vs CURRENT
Figure 17.
Figure 18.
CURRENT LIMIT vs (VBIAS – VOUT)
Figure 19.
8
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