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TPS79945YZUT Datasheet(PDF) 5 Page - Texas Instruments

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Part # TPS79945YZUT
Description  200mA, Low Quiescent Current, Ultra-Low Noise, High PSRR Low Dropout Linear Regulator
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

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TYPICAL CHARACTERISTICS
2.5
3.5
4.5
5.5
6.5
V
IN (V)
1.0
0.8
0.6
0.4
0.2
0
−0.2
−0.4
−0.6
−0.8
−1.0
7.5
I
OUT = 100mA
TJ = +125°C
TJ = +85°C
TJ = −40°C
TJ = +25°C
0
50
100
150
200
I
OUT (mA)
28.50
21.38
14.25
7.13
0
−7.13
−14.25
−21.38
−28.50
TJ = +125°C
TJ = +85°C
TJ = −40°C
TJ = +25°C
200
180
160
140
120
100
80
60
40
20
0
0
50
100
150
200
I
OUT (mA)
T
J = +85_ C
T
J = − 40_ C
T
J = +125_ C
T
J = +25_ C
TJ (°C)
2.0
1.5
1.0
0.5
0
−0.5
−1.0
−1.5
−2.0
I
OUT = 100mA
I
OUT = 200mA
I
OUT = 1mA
−40 −25
5
35
65
95
50
125
−15
20
80
110
110
100
90
80
70
60
50
40
30
20
10
0
2.5
3.0
3.5
4.0
5.0
6.0
7.0
4.5
5.5
6.5
V
IN (V)
I
OUT = 200mA
TJ (°C)
200
180
160
140
120
100
80
60
40
20
0
5
35
65
95
50
125
20
80
110
I
OUT = 100mA
I
OUT = 200mA
I
OUT = 1mA
−40 −25 −15
TPS799xx
SBVS056I – JANUARY 2005 – REVISED NOVEMBER 2007
Over operating temperature range (TJ= –40°C to +125°C), VIN = VOUT(TYP) + 0.3V or 2.7V, whichever is greater; IOUT = 1mA,
VEN = VIN, COUT = 2.2µF, CNR = 0.01µF, unless otherwise noted. For TPS79901, VOUT = 3.0V.
Typical values are at TJ = +25°C.
LOAD REGULATION
LINE REGULATION
Figure 3.
Figure 4.
OUTPUT VOLTAGE vs
TPS799285 DROPOUT VOLTAGE vs
JUNCTION TEMPERATURE
OUTPUT CURRENT
Figure 5.
Figure 6.
TPS799285 DROPOUT VOLTAGE vs
TPS79901 DROPOUT vs
JUNCTION TEMPERATURE
INPUT VOLTAGE
Figure 7.
Figure 8.
Copyright © 2005–2007, Texas Instruments Incorporated
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