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TPS77218 Datasheet(PDF) 9 Page - Texas Instruments

No. de Pieza. TPS77218
Descripción  150-mA LDO REGULATORS WITH INTEGRATED RESET OR PG
Descarga  23 Pages
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Fabricante  TI [Texas Instruments]
Página de inicio  http://www.ti.com
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TPS77218 Datasheet(HTML) 9 Page - Texas Instruments

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TPS77101, TPS77118, TPS77127, TPS77128, TPS77133 WITH RESET OUTPUT
TPS77201, TPS77218, TPS77227, TPS77228, TPS77233 WITH POWER GOOD OUTPUT
150-mA LDO REGULATORS WITH INTEGRATED RESET OR PG
SLVS225A – FEBRUARY 2000 – REVISED MARCH 2000
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating junction temperature range (–40
°C to
125
°C), VI = VO(typ) + 1 V, IO = 1 mA, EN = 0 V, CO = 10 µF (unless otherwise noted) (continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Minimum input voltage for valid RESET
I(RESET) = 300 µA
1.1
V
Trip threshold voltage
VO decreasing
92
98
%VO
Reset
Hysteresis voltage
Measured at VO
0.5
%VO
(TPS771xx)
Output low voltage
VI = 2.7 V,
I(RESET) = 1 mA
0.15
0.4
V
Leakage current
V(RESET) = 5 V
1
µA
RESET time-out delay
220
ms
2.8 V
IO = 150 mA,
TJ = 25°C
150
VDO
Dropout voltage (see Note 5)
Output
IO = 150 mA,
265
mV
VDO
Dropout voltage (see Note 5)
3.3 V
IO = 150 mA,
TJ = 25°C
115
mV
Output
IO = 150 mA
200
NOTE 5: IN voltage equals VO(Typ) – 100 mV; 1.8 V, and 2.7 V dropout voltage limited by input voltage range limitations (i.e., 3.3 V input voltage
needs to drop to 3.2 V for purpose of this test).
TYPICAL CHARACTERISTICS
Table of Graphs
FIGURE
VO
Output voltage
vs Output current
2, 3
VO
Output voltage
vs Junction temperature
4, 5
Ground current
vs Junction temperature
6
Power supply rejection ratio
vs Frequency
7
Output spectral noise density
vs Frequency
8
Zo
Output impedance
vs Frequency
9
VDO
Dropout voltage
vs Input voltage
10
VDO
Dropout voltage
vs Junction temperature
11
Line transient response
12, 14
Load transient response
13, 15
Output voltage
vs Time
16
Equivalent series resistance (ESR)
vs Output current
18 – 21


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