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TPS7248QPWLE Datasheet(PDF) 11 Page - Texas Instruments

Part # TPS7248QPWLE
Description  MICROPOWER LOW-DROPOUT (LDO) VOLTAGE REGULATORS
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS7248QPWLE Datasheet(HTML) 11 Page - Texas Instruments

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TPS7201Q, TPS7225Q, TPS7230Q
TPS7233Q, TPS7248Q, TPS7250Q, TPS72xxY
MICROPOWER LOW-DROPOUT (LDO) VOLTAGE REGULATORS
SLVS102G – MARCH 1995 – REVISED JUNE 2000
11
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TPS7248Q electrical characteristics, 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
TPS7248Q
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 ≤ 250 mA –40°C to 125°C
4.75
4.95
V
IO =10mA
VI = 4 75 V
25
°C
10
19
IO = 10 mA,
VI = 4.75 V
–40
°C to 125°C
30
Dropout voltage
IO = 100 mA
VI = 4 75 V
25
°C
90
100
mV
Dropout voltage
IO = 100 mA,
VI = 4.75 V
–40
°C to 125°C
150
mV
IO = 250 mA
VI = 4 75 V
25
°C
216
250
IO = 250 mA,
VI = 4.75 V
–40
°C to 125°C
285
Pass element series resistance
(4.75 V – VO)/IO,
VI = 4.75 V,
25
°C
0.8
1
Pass-element series resistance
(
O) O,
IO = 250 mA
I
,
–40
°C to 125°C
1.4
Input regulation
VI =5 85Vto10V
50
µA ≤ IO ≤ 250 mA
25
°C
34
mV
Input regulation
VI = 5.85 V to 10 V,
50
µA ≤ IO ≤ 250 mA
–40
°C to 125°C
50
mV
IO =5mAto250 mA
585 V
≤ VI ≤ 10 V
25
°C
43
55
Output regulation
IO = 5 mA to 250 mA,
5.85 V
≤ VI ≤ 10 V
–40
°C to 125°C
95
mV
Output regulation
IO =50 µA to 250 mA
585 V
≤ VI ≤ 10 V
25
°C
55
75
mV
IO = 50 µA to 250 mA,
5.85 V
≤ VI ≤ 10 V
–40
°C to 125°C
135
IO =50 µA
25
°C
42
53
Ripple rejection
f = 120 Hz
IO = 50 µA
–40
°C to 125°C
36
dB
Ripple rejection
f = 120 Hz
IO = 250 mA
25
°C
36
46
dB
IO = 250 mA
–40
°C to 125°C
34
Output noise spectral density
f = 120 Hz
25
°C
2
µV/√Hz
10 H
≤ f ≤ 100 kH
CO = 4.7 µF
25
°C
370
Output noise voltage
10 Hz
≤ f ≤ 100 kHz,
CSR† = 1
CO = 10 µF
25
°C
290
µVrms
CSR† = 1
CO = 100 µF
25
°C
168
PG trip-threshold voltage
VO voltage decreasing from above VPG
–40
°C to 125°C
0.95
×
VO(nom)
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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