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TPS793285 Fiches technique(PDF) 4 Page - Texas Instruments

No de pièce TPS793285
Description  ULTRALOW-NOISE, HIGH-PSRR, FAST RF 200-mA LOW-DROPOUT LINEAR REGULATORS
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

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Line Reg. (mV)
+ % V
V
O
V
Imax *
2.7 V
100
1000
ELECTRICAL CHARACTERISTICS
TPS79301-EP,, TPS79318-EP,, TPS79325-EP,, TPS79328-EP
TPS793285-EP, TPS79330-EP, TPS79333-EP, TPS793475-EP
SGLS163B – APRIL 2003 – REVISED NOVEMBER 2006
over recommended operating free-air temperature range, EN = V
I, TJ = –55 to 125°C and TJ = –40 to 125°C, VI = VO(typ) +
1 V, I
O = 1 mA, Co = 10 µF, C(byp) = 0.01 µF (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VI
Input voltage(1)
2.7
5.5
V
IO
Continuous output current(2)
0
200
mA
TJ
Operating junction temperature
–55
125
°C
0
µA < I
O < 200 mA,
TJ = –40 to 125°C,
0.98 Vo
1.02 Vo
1.22 V
≤ V
O ≤ 5.2 V
(3)
TPS79301
0
µA < I
O < 200 mA,
TJ = –55 to 125°C,
1.025
0.97 Vo
1.22 V
≤ V
O ≤ 5.2 V
(3)
Vo
TJ = 25°C
1.8
TPS79318
0
µA < I
O < 200 mA,
2.8 V < VI < 5.5 V
1.764
1.836
TJ = 25°C
2.5
TPS79325
0
µA < I
O < 200 mA,
3.5 V < VI < 5.5 V
2.45
2.55
TJ = 25°C
2.8
TPS79328
Output voltage
V
0
µA < I
O < 200 mA,
3.8 V < VI < 5.5 V
2.744
2.856
TJ = 25°C
2.85
TPS793285
0
µA < I
O < 200 mA,
3.85 V < VI < 5.5 V
2.793
2.907
TJ = 25°C
3
TPS79330
0
µA < I
O < 200 mA,
4 V < VI < 5.5 V
2.94
3.06
TJ = 25°C
3.3
TPS79333
0
µA < I
O < 200 mA,
4.3 V < VI < 5.5 V
3.234
3.366
TJ = 25°C
4.75
TPS793475
0
µA < I
O < 200 mA,
5.25 V < VI < 5.5 V
4.655
4.845
0
µA < I
O < 200 mA,
TJ = 25°C
170
Quiescent current (GND current)
µA
0
µA < I
O < 200 mA
220
Load regulation
0
µA < I
O < 200 mA,
TJ = 25°C
5
mV
VO + 1 V < VI ≤ 5.5 V,
TJ = 25°C
0.05
Output voltage line regulation (
∆V
O/VO)
(4)
%/V
VO + 1 V < VI ≤ 5.5 V
0.12
C(byp) = 0.001 µF
55
C(byp) = 0.0047 µF
36
BW = 200 Hz to 100 kHz,
Output noise voltage (TPS79328)
µV
RMS
IO = 200 mA, TJ = 25°C
C(byp) = 0.01 µF
33
C(byp) = 0.1 µF
32
C(byp) = 0.001 µF
50
RL = 14 Ω,
Time, start-up (TPS79328)
C(byp) = 0.0047 µF
70
µs
Co = 1 µF, TJ = 25°C
C(byp) = 0.01 µF
100
Output current limit
VO = 0 V(3)
285
600
mA
Standby current
EN = 0 V,
2.7 V < VI < 5.5 V
0.07
1
µA
High-level enable input voltage
2.7 V < VI < 5.5 V
2
V
Low-level enable input voltage
2.7 V < VI < 5.5 V
0.7
V
Input current (EN)
EN = 0
–1
1
µA
(1)
To calculate the minimum input voltage for your maximum output current, use the following formula:
VI(min) = VO(max) + VDO (max load)
(2)
Continuous output current and operating junction temperature are limited by internal protection circuitry, but it is not recommended that
the device operate under conditions beyond those specified in this table for extended periods of time.
(3)
The minimum IN operating voltage is 2.7 V or VO(typ) + 1 V, whichever is greater. The maximum IN voltage is 5.5 V. The maximum
output current is 200 mA.
(4)
If VO ≤ 2.5 V, then VImin = 2.7 V, VImax = 5.5 V:
If VO ≥ 2.5 V, then VImin = VO + 1 V, VImax = 5.5 V.
4
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