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TPS7148QPE4 Datasheet(PDF) 9 Page - Texas Instruments

No. de Pieza. TPS7148QPE4
Descripción  LOW-DROPOUT VOLTAGE REGULATORS
Descarga  40 Pages
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Fabricante  TI [Texas Instruments]
Página de inicio  http://www.ti.com
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TPS7148QPE4 Datasheet(HTML) 9 Page - Texas Instruments

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TPS7101Q, TPS7133Q, TPS7148Q, TPS7150Q
TPS7101Y, TPS7133Y, TPS7148Y, TPS7150Y
LOW-DROPOUT VOLTAGE REGULATORS
SLVS092G – NOVEMBER 1994 – REVISED JANUARY 2003
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TPS7148 electrical characteristics at IO = 10 mA, VI = 5.85 V, EN = 0 V, CO = 4.7 µF/CSR= 1 Ω, SENSE
shorted to OUT (unless otherwise noted)
PARAMETER
TEST CONDITIONS‡
TJ
TPS7148Q
UNIT
PARAMETER
TEST CONDITIONS‡
TJ
MIN
TYP
MAX
UNIT
Output voltage
VI = 5.85 V,
IO = 10 mA
25
°C
4.85
V
Output voltage
5.85 V
≤ VI ≤ 10 V,
5 mA
≤ IO ≤ 500 mA
– 40
°C to 125°C
4.75
4.95
V
IO =10mA
VI = 4 75 V
25
°C
2.9
6
IO = 10 mA,
VI = 4.75 V
– 40
°C to 125°C
8
Dropout voltage
IO = 100 mA
VI = 4 75 V
25
°C
30
37
mV
Dropout voltage
IO = 100 mA,
VI = 4.75 V
– 40
°C to 125°C
54
mV
IO = 500 mA
VI = 4 75 V
25
°C
150
180
IO = 500 mA,
VI = 4.75 V
– 40
°C to 125°C
250
Pass element series resistance
(4.75 V – VO)/IO,
VI = 4.75 V,
25
°C
0.32
0.35
Pass-element series resistance
(
O) O,
IO = 500 mA
I
,
– 40
°C to 125°C
0.52
Input regulation
VI =5 85Vto10V
50
µA ≤ IO ≤ 500 mA
25
°C
27
mV
Input regulation
VI = 5.85 V to 10 V,
50
µA ≤ IO ≤ 500 mA
– 40
°C to 125°C
37
mV
IO =5mAto500 mA
585 V
≤ VI ≤ 10 V
25
°C
12
42
mV
Output regulation
IO = 5 mA to 500 mA,
5.85 V
≤ VI ≤ 10 V
– 40
°C to 125°C
80
mV
Output regulation
IO =50 µA to 500 mA
585 V
≤ VI ≤ 10 V
25
°C
42
60
mV
IO = 50 µA to 500 mA, 5.85 V ≤ VI ≤ 10 V
– 40
°C to 125°C
130
mV
IO =50 µA
25
°C
42
53
Ripple rejection
f = 120 Hz
IO = 50 µA
– 40
°C to 125°C
39
dB
Ripple rejection
f = 120 Hz
IO = 500 mA
25
°C
39
50
dB
IO = 500 mA
– 40
°C to 125°C
35
Output noise-spectral density
f = 120 Hz
25
°C
2
µV/√Hz
10 H
≤ f ≤ 100 kH
CO = 4.7 µF
25
°C
410
Output noise voltage
10 Hz
≤ f ≤ 100 kHz,
CSR† = 1
CO = 10 µF
25
°C
328
µVrms
CSR† = 1
CO = 100 µF
25
°C
212
PG trip-threshold voltage
VO voltage decreasing from above VPG
– 40
°C to 125°C
4.5
4.7
V
PG hysteresis voltage
25
°C
50
mV
PG output low voltage
IPG =1 2mA
VI = 4 12 V
25
°C
0.2
0.4
V
PG output low voltage
IPG = 1.2 mA,
VI = 4.12 V
– 40
°C to 125°C
0.4
V
† CSR refers to the total series resistance, including the ESR of the capacitor, any series resistance added externally, and PWB trace resistance
to CO.
‡ Pulse-testing techniques are used to maintain virtual junction temperature as close as possible to ambient temperature; thermal effects must
be taken into account separately.


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