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TPS7348Q Datasheet(PDF) 11 Page - Texas Instruments

No. de pieza TPS7348Q
Descripción Electrónicos  LOW-DROPOUT VOLTAGE REGULATORS WITH INTEGRATED DELAYED RESET FUNCTION
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TPS7348Q Datasheet(HTML) 11 Page - Texas Instruments

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TPS7301Q, TPS7325Q, TPS7330Q, TPS7333Q, TPS7348Q, TPS7350Q
LOW-DROPOUT VOLTAGE REGULATORS
WITH INTEGRATED DELAYED RESET FUNCTION
SLVS124F – JUNE 1995 – REVISED JANUARY 1999
11
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TPS7333Q electrical characteristics at IO = 10 mA, VI = 4.3 V, EN = 0 V, Co = 4.7 µF (CSR= 1 Ω),
SENSE shorted to OUT (unless otherwise noted)
PARAMETER
TEST CONDITIONS‡
TJ
MIN
TYP
MAX
UNIT
Output voltage
25
°C
3.3
V
Output voltage
4.3 V
≤ VI ≤ 10 V,
5 mA
≤ IO ≤ 500 mA –40°C to 125°C
3.23
3.37
V
IO =10mA
VI = 3 23 V
25
°C
4.5
7
IO = 10 mA,
VI = 3.23 V
–40
°C to 125°C
8
Dropout voltage
IO = 100 mA
VI = 3 23 V
25
°C
44
60
mV
Dropout voltage
IO = 100 mA,
VI = 3.23 V
–40
°C to 125°C
80
mV
IO = 500 mA
VI = 3 23 V
25
°C
235
300
IO = 500 mA,
VI = 3.23 V
–40
°C to 125°C
400
Pass element series resistance
(3.23 V – VO)/IO,
VI = 3.23 V,
25
°C
0.44
0.6
Pass-element series resistance
(
O) O,
IO = 500 mA
I
,
–40
°C to 125°C
0.8
Input regulation
VI =4 3Vto10V
50
µA ≤ IO ≤ 500 mA
25
°C
6
23
mV
Input regulation
VI = 4.3 V to 10 V,
50
µA ≤ IO ≤ 500 mA
–40
°C to 125°C
29
mV
IO =5mAto500 mA 4 3 V ≤ VI ≤ 10 V
25
°C
21
38
mV
Output regulation
IO = 5 mA to 500 mA, 4.3 V ≤ VI ≤ 10 V
–40
°C to 125°C
75
mV
Output regulation
IO =50 µA to 500 mA 4 3 V ≤ VI ≤ 10 V
25
°C
31
60
mV
IO = 50 µA to 500 mA, 4.3 V ≤ VI ≤ 10 V
–40
°C to 125°C
120
mV
IO =50 µA
25
°C
43
51
Ripple rejection
f = 120 Hz
IO = 50 µA
–40
°C to 125°C
40
dB
Ripple rejection
f = 120 Hz
IO = 500 mA
25
°C
39
49
dB
IO = 500 mA
–40
°C to 125°C
36
Output noise-spectral density
f = 120 Hz
25
°C
2
µV/√Hz
Co = 4.7 µF
25
°C
274
Output noise voltage
10 Hz
≤ f ≤ 100 kHz
Co = 10 µF
25
°C
228
µVrms
Co = 100 µF
25
°C
159
RESET trip-threshold voltage
VO decreasing
–40
°C to 125°C 2.868
V
RESET hysteresis voltage
25
°C
18
mV
RESET output low voltage
VI =2 8V
IO(RESET) =1 mA
25
°C
0.17
0.4
V
RESET output low voltage
VI = 2.8 V,
IO(RESET) = – 1 mA
–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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