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TPS71257DRCRG4 Datasheet(PDF) 5 Page - Texas Instruments

No. de Pieza. TPS71257DRCRG4
Descripción  Dual 250 mA Output, UltraLow Noise, High PSRR, Low-Dropout Linear Regulator
Descarga  21 Pages
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Fabricante  TI [Texas Instruments]
Página de inicio  http://www.ti.com
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TPS71257DRCRG4 Datasheet(HTML) 5 Page - Texas Instruments

 
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1.0
0.8
0.6
0.4
0.2
0
−0.2
−0.4
−0.6
−0.8
−1.0
3.0
3.5
4.0
4.5
5.0
5.5
6.0
V
IN (V)
+25
_C
+125
_C
−40_C
1.0
0.8
0.6
0.4
0.2
0
−0.2
−0.4
−0.6
−0.8
−1.0
0
50
100
150
200
250
I
OUT (mA)
+25
_C
−40_C
+125
_C
1.0
0.5
0
−0.5
−1.0
−1.5
Junction Temperature (
_C)
−40 −25 −10 5
20
35
50
65
80
95
110 125
I
OUT = 10 mA
I
OUT = 250 mA
I
OUT = 125 mA
200
180
160
140
120
100
80
60
40
20
0
2.7
3.1
3.3
3.5
3.9
4.1
4.3
4.5 4.7
4.9
V
IN (V)
T
J = −40_ C
T
J = +25_ C
T
J = +125_ C
3.7
2.9
200
150
100
50
0
0
50
100
150
200
250
I
OUT (mA)
T
J = +25_ C
T
J = −40_ C
T
J = +125_ C
250
200
150
100
50
0
−40 −25 −10 5
20
35
50
65
80
95
110 125
I
OUT = 250 mA
Junction Temperature (
°C)
TPS71202, TPS71219
TPS71229, TPS71247
TPS71256, TPS71257
www.ti.com
SBVS049D – MAY 2004 – REVISED AUGUST 2010
TYPICAL CHARACTERISTICS
For all voltage versions at TJ = 25°C, VIN = VOUT(nom) + 1 V, IOUT = 1 mA,VEN = 1.2 V, COUT = 2.2 mF, and CNR = 0.01 mF,
unless otherwise noted.
OUTPUT VOLTAGE vs INPUT VOLTAGE
OUTPUT VOLTAGE vs OUTPUT CURRENT
Figure 1.
Figure 2.
DROPOUT VOLTAGE vs INPUT VOLTAGE
OUTPUT VOLTAGE vs TEMPERATURE
(ADJUSTABLE VERSION)
Figure 3.
Figure 4.
TPS71256
TPS71256
DROPOUT VOLTAGE vs OUTPUT CURRENT
DROPOUT VOLTAGE vs JUNCTION TEMPERATURE
Figure 5.
Figure 6.
Copyright © 2004–2010, Texas Instruments Incorporated
Submit Documentation Feedback
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Product Folder Link(s): TPS71202 TPS71219 TPS71229 TPS71247 TPS71256 TPS71257


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