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TPS70845 Datasheet(PDF) 21 Page - Texas Instruments

Part # TPS70845
Description  DUAL-OUTPUT, LOW DROPOUT VOLTAGE REGULATORS WITH INTEGRATED SVS FOR SPLIT VOLTAGE SYSTEMS
PDF  37 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS70845 Datasheet(HTML) 21 Page - Texas Instruments

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0
50
100
150
200
250
0.1
10
1
VO =3.3V
C =6.8 F
T =+25 C
O
J
m
°
REGIONOFINSTABILITY
REGIONOFINSTABILITY
IO -
-
OutputCurrent
mA
250mW
0.1
0.01
0
50
100
150
200
250
10
1
REGIONOF INSTABILITY
VO =3.3V
C =10 F
T =+25 C
O
J
m
°
50mW
IO -
-
OutputCurrent
mA
REGIONOFINSTABILITY
0
25
50
75
100
125
REGIONOF INSTABILITY
0.1
1
10
VO =1.8V
C =6,8 F
T =+25 C
O
J
m
°
REGIONOFINSTABILITY
IO -
-
OutputCurrent
mA
250mW
0.1
0.01
0
25
50
75
100
125
10
1
REGIONOF INSTABILITY
VO =1.8V
C =10 F
T =+25 C
O
J
m
°
REGIONOFINSTABILITY
IO -
-
OutputCurrent
mA
50mW
TPS70845, TPS70848
TPS70851, TPS70858
TPS70802
SLVS301D – JUNE 2000 – REVISED DECEMBER 2007
TYPICAL REGION OF STABILITY
TYPICAL REGION OF STABILITY
EQUIVALENT SERIES RESISTANCE(1)
EQUIVALENT SERIES RESISTANCE(1)
vs
vs
OUTPUT CURRENT
OUTPUT CURRENT
Figure 30.
Figure 31.
TYPICAL REGION OF STABILITY
TYPICAL REGION OF STABILITY
EQUIVALENT SERIES RESISTANCE(1)
EQUIVALENT SERIES RESISTANCE(1)
vs
vs
OUTPUT CURRENT
OUTPUT CURRENT
Figure 32.
Figure 33.
(1) Equivalent series resistance (ESR) refers to the total series resistance, including the ESR of the capacitor, any
series resistance added externally, and PWB trace resistance to CO.
Copyright © 2000–2007, Texas Instruments Incorporated
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