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TPS782 Datasheet(PDF) 5 Page - Texas Instruments

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No. de pieza TPS782
Descripción Electrónicos  500-nA IQ,150-mA, Ultra-Low Quiescent Current Low-Dropout Linear Regulator
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI1 - Texas Instruments

TPS782 Datasheet(HTML) 5 Page - Texas Instruments

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TPS782
www.ti.com
SBVS115D – AUGUST 2008 – REVISED JANUARY 2015
6.5 Electrical Characteristics
Over operating temperature range (TJ = –40°C to 125°C), VIN = VOUT(nom) + 0.5 V or 2.2 V, whichever is greater;
IOUT = 100 μA, VEN = VIN, COUT = 1.0 μF, fixed VOUT test conditions, unless otherwise noted. Typical values at TJ = 25°C.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIN
Input voltage range
2.2
5.5
V
Nominal
TJ = 25°C
–2%
±1%
+2%
VOUT
DC output accuracy
Over VIN, IOUT, VOUT(nom) + 0.5 V ≤ VIN ≤ 5.5 V,
–3%
±2%
3%
temperature
0 mA
≤ IOUT ≤ 150 mA
VOUT(nom) + 0.5 V ≤ VIN ≤ 5.5 V,
ΔVOUT(ΔVIN)
Line regulation
±1%
IOUT = 5 mA
ΔVOUT(ΔIOUT)
Load regulation
0 mA
≤ IOUT ≤ 150 mA
±2%
VDO
Dropout voltage(1)
VIN = 95% VOUT(nom), IOUT = 150 mA
130
250
mV
ILIM
Output current limit
VOUT = 0.90 × VOUT(nom)
150
230
400
mA
IOUT = 0 mA
0.42
1.3
μA
IGND
Ground pin current
IOUT = 150 mA
8
μA
IEN
EN pin current
VEN = 5.5V
40
nA
VEN ≤ 0.4 V, 2.2 V ≤ VIN < 5.5 V,
ISHDN
Shutdown current (IGND)
18
130
nA
TJ = –40°C to 100°C
f = 10 Hz
40
dB
VIN = 4.3 V,
PSRR
Power-supply rejection ratio
VOUT = 3.3 V,
f = 100 Hz
20
dB
IOUT = 150 mA
f = 1 kHz
15
dB
BW = 100 Hz to 100 kHz, VIN = 3.2 V,
Vn
Output noise voltage
108
μVRMS
VOUT = 2.7 V, IOUT = 1 mA
COUT = 1.0 μF, VOUT = 10% VOUT(nom) to
tSTR
Startup time(2)
500
μs
VOUT = 90% VOUT(nom)
IOUT = 150 mA, COUT = 1.0 μF,
VOUT = 2.8 V,
tSHDN
Shutdown time(3)
500(4)
μs
VOUT = 90% VOUT(nom) to
VOUT = 10% VOUT(nom)
Shutdown, temperature increasing
160
°C
Tsd
Thermal shutdown temperature
Reset, temperature decreasing
140
°C
TJ
Operating junction temperature
–40
125
°C
(1)
VDO is not measured for devices with VOUT(nom) ≤ 2.3 V because minimum VIN = 2.2 V.
(2)
Time from VEN = 1.2 V to VOUT = 90% (VOUT(nom)).
(3)
Time from VEN = 0.4 V to VOUT = 10% (VOUT(nom)).
(4)
See Shutdown in the Feature Description section for more details.
Copyright © 2008–2015, Texas Instruments Incorporated
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