The TPS731xx family of low-dropout (LDO) linear voltage regulators uses a new topology: an NMOS pass element in a voltage-follower configuration

 

TPS73101

Manufacturer Part NumberTPS73101
DescriptionThe TPS731xx family of low-dropout (LDO) linear voltage regulators uses a new topology: an NMOS pass element in a voltage-follower configuration
ManufacturerTexas Instruments
TPS73101 datasheets

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Specifications of TPS73101

Iout(max)(a)0.1Vdo(typ)(mv)30
Iq(typ)(ma)0.4Vin(min)(v)1.7
Vin(max)(v)5.5Vout Adj(min)(v)1.2
Vout Adj(max)(v)5.5Accuracy(%)1
Output Capacitor TypeCapacitor FreeVout(min)(v)1.2
Vout(max)(v)5.5Pin/package5SOT-23
Regulated Outputs(#)1  
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TPS731xx
SBVS034M – SEPTEMBER 2003 – REVISED AUGUST 2009
For all voltage versions at T
= +25°C, V
J
LOAD REGULATION
0.5
Referred to I
0.4
0.3
0.2
0.1
0
0.1
0.2
0.3
0.4
0.5
0
15
30
45
60
75
I
(mA)
OUT
Figure 3.
DROPOUT VOLTAGE vs OUTPUT CURRENT
50
TPS73125DBV
40
30
20
10
0
0
30
60
90
I
(mA)
OUT
Figure 5.
OUTPUT VOLTAGE ACCURACY HISTOGRAM
30
I
= 10mA
OUT
25
20
15
10
5
0
V
Error (%)
OUT
Figure 7.
6
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..........................................................................................................................................
TYPICAL CHARACTERISTICS
= V
+ 0.5V, I
= 10mA, V
IN
OUT(nom)
OUT
noted.
0.20
= 10mA
OUT
0.15
0.10
0.05
0
0.05
0.10
0.15
0.20
90
105
120 135 150
0
DROPOUT VOLTAGE vs TEMPERATURE
50
TPS73125DBV
I
+125_ C
OUT
40
30
+25_ C
20
10
40 _ C
0
120
150
50
OUTPUT VOLTAGE DRIFT HISTOGRAM
18
I
16
All Voltage Versions
14
12
10
8
6
4
2
0
= 1.7V, and C
= 0.1μF, unless otherwise
EN
OUT
LINE REGULATION
Referred to V
= V
+ 0.5V at I
IN
OUT
OUT
+25_ C
+125 _ C
40_ C
0.5
1.0
1.5
2.0
2.5
3.0
3.5
V
V
(V)
IN
OUT
Figure 4.
= 150mA
25
0
25
50
75
100
Temperature (_ C)
Figure 6.
= 10mA
OUT
/dT (ppm/ _ C)
Worst Case dV
OUT
Figure 8.
Copyright © 2003–2009, Texas Instruments Incorporated
www.ti.com
= 10mA
4.0
4.5
125

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