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TPS749XX Datasheet(PDF) 6 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) 6 Page - Texas Instruments

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TYPICAL CHARACTERISTICS
0.20
0.15
0.10
0.05
0
-0.05
-0.01
-0.15
-0.20
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
V
V
-
IN
OUT (V)
5.0
+125 C
°
+25 C
°
-
°
40 C
0.5
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
0.5
1.0
1.5
2.0
2.5
3.0
3.5
V
V
-
BIAS
OUT (V)
4.0
+125 C
°
+25 C
°
-
°
40 C
1.0
0.8
0.6
0.4
0.2
0
-0.2
0
10
20
30
40
I
(mA)
OUT
50
-
°
40 C
+25 C
°
+125 C
°
0.5
0.4
03
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
0
1.0
1.5
0.5
2.0
2.5
I
(A)
OUT
3.0
-
°
40 C
+125 C
°
+25 C
°
180
160
140
120
100
80
60
40
20
0
0
1.0
1.5
0.5
2.0
2.5
I
(A)
OUT
3.0
+125 C
°
+25 C
°
-
°
40 C
400
350
300
250
200
150
100
50
0
1.0
1.5
V
V
-
BIAS
OUT (V)
4.5
+125 C
°
+25 C
°
-
°
40 C
2.0
2.5
3.0
3.5
4.0
I
=3A
OUT
TPS749xx
SBVS082A – JUNE 2007 – REVISED JULY 2007
At TJ = +25°C, VIN = VOUT(TYP) + 0.3V, VBIAS = 5V, IOUT = 50mA, VEN = VIN, CIN = 1μF, CBIAS = 4.7μF, and COUT = 10μF,
unless otherwise noted.
VIN LINE REGULATION
VBIAS LINE REGULATION
Figure 3.
Figure 4.
LOAD REGULATION
LOAD REGULATION
Figure 5.
Figure 6.
VIN DROPOUT VOLTAGE vs
VIN DROPOUT VOLTAGE vs
iOUT AND TEMPERATURE (TJ)
VIN DROPOUT VOLTAGE vs IOUT AND TEMPERATURE (TJ)
Figure 7.
Figure 8.
6
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