TPS7301Q_12 Datasheet, PDF (10/45 Pages) Texas Instruments – LOW-DROPOUT VOLTAGE REGULATORS WITH INTEGRATED DELAYED RESET FUNCTION

TPS7301Q, TPS7325Q, TPS7330Q, TPS7333Q, TPS7348Q, TPS7350Q
LOW-DROPOUT VOLTAGE REGULATORS
WITH INTEGRATED DELAYED RESET FUNCTION
SLVS124F – JUNE 1995 – REVISED JANUARY 1999
TPS7330Q electrical characteristics at I_O = 10 mA, V_I = 4 V, EN = 0 V, C_o = 4.7 µF (CSR^† = 1 Ω), SENSE
shorted to OUT (unless otherwise noted)
PARAMETER
Output voltage
TEST CONDITIONS‡
4 V ≤ VI ≤ 10 V,
IO = 10 mA,
5 mA ≤ IO ≤ 500 mA
VI = 2.94 V
TJ
25°C
– 40°C to 125°C
25°C
– 40°C to 125°C
MIN
2.94
TYP MAX UNIT
3
V
3.06
5.2
7
10
Dropout voltage
IO = 100 mA,
VI = 2.94 V
25°C
– 40°C to 125°C
52
75
mV
100
IO = 500 mA,
VI = 2.94 V
25°C
– 40°C to 125°C
267 450
500
Pass-element series resistance
(2.94 V – VO)/IO,
IO = 500 mA
VI = 2.94 V,
25°C
– 40°C to 125°C
0.5 0.7
Ω
1
Input regulation
VI = 4 V to 10 V,
50 µA ≤ IO ≤ 500 mA
25°C
– 40°C to 125°C
6
23
mV
29
Output regulation
IO = 5 mA to 500 mA, 4 V ≤ VI ≤ 10 V
IO = 50 µA to 500 mA, 4 V ≤ VI ≤ 10 V
25°C
– 40°C to 125°C
25°C
– 40°C to 125°C
20
32
mV
60
28
60
mV
120
Ripple rejection
f = 120 Hz
25°C
43
53
IO = 50 µA
– 40°C to 125°C
40
dB
25°C
39
53
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 2.58 2.64 2.7 V
RESET output low voltage
VI = 2.6 V,
25°C
IO(RESET) = – 0.8 mA _{– 40°C to 125°C}
0.14 0.4
V
0.4
† _{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.
10
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