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TPS79915QDDCRQ1 Fiches technique(PDF) 5 Page - Texas Instruments

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No de pièce TPS79915QDDCRQ1
Description  200 mA, Low Quiescent Current, Ultralow Noise, High PSRR, Low Dropout, Linear Regulators
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

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TPS799-Q1
www.ti.com
SBVS097F – MARCH 2008 – REVISED JUNE 2015
6.5 Electrical Characteristics
over operating temperature range (TJ = –40°C to 125°C), VIN = VOUT(TYP) + 0.3 V or 2.7 V, whichever is greater; IOUT = 1 mA,
VEN = VIN, COUT = 2.2 μF, CNR = 0.01 μF (unless otherwise noted) For TPS79901, VOUT = 3 V. Typical values are at TJ = 25°C.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIN
Input voltage range(1)
2.7
6.5
V
VFB
Internal reference (TPS79901)
1.169
1.193
1.217
V
Output voltage range
VOUT
VFB
6.5 – VDO
V
(TPS79901)
VOUT
Output accuracy
Nominal, TJ = 25°C
–1%
1%
Over VIN, IOUT, temperature,
VOUT
Output accuracy(1)
VOUT + 0.3 V ≤ VIN ≤ 6.5 V,
–2%
±1%
2%
500
μA ≤ IOUT ≤ 200 mA
ΔVOUT%/ ΔVIN
Line regulation(1)
VOUT(NOM) + 0.3 V ≤ VIN ≤ 6.5 V
0.02
%/V
ΔVOUT%/ ΔIOUT
Load regulation
500
μA ≤ IOUT ≤ 200 mA
0.002
%/mA
VOUT < 3.3 V
100
175
Dropout voltage(2)
VDO
IOUT = 200 mA
mV
(VIN = VOUT(NOM) – 0.1 V)
VOUT ≥ 3.3 V
90
160
ICL
Output current limit
VOUT = 0.9 × VOUT(NOM)
200
400
600
mA
IGND
Ground pin current
500
μA ≤ IOUT ≤ 200 mA
40
60
μA
ISHDN
Shutdown current (IGND)
VEN ≤ 0.4 V, 2.7 V ≤ VIN ≤ 6.5 V
0.15
1
μA
Feedback pin current
IFB
–0.5
0.5
μA
(TPS79901)
f = 100 Hz
70
VIN = 3.85 V,
f = 1 kHz
66
VOUT = 2.85 V,
PSRR
Power-supply rejection ratio
dB
CNR = 0.01 μF,
f = 10 kHz
51
IOUT = 100 mA
f = 100 kHz
38
Output noise voltage
CNR = 0.01 μF
10.5 VOUT
VN
BW = 10 Hz to 100 kHz, VOUT =
μVRMS
CNR = none
94 VOUT
2.8 V
CNR = 0.001 μF
45
VOUT = 2.85 V,
CNR = 0.047 μF
45
TSTR
Start-up time
RL = 14 Ω,
μs
CNR = 0.01 μF
50
COUT = 2.2 μF
CNR = none
50
VEN(HI)
Enable high (enabled)
1.2
VIN
V
VEN(LO)
Enable low (shutdown)
0
0.4
V
IEN(HI)
Enable pin current, enabled
VEN = VIN = 6.5 V
0.03
1
μA
Shutdown, temperature increasing
165
°C
TSD
Thermal shutdown temperature
Reset, temperature decreasing
145
°C
TJ
Operating junction temperature
–40
125
°C
VUVLO
Undervoltage lock-out
VIN rising
1.9
2.2
2.65
V
VUVLO,hys
Hysteresis
VIN falling
70
mV
(1)
Minimum VIN = VOUT + VDO or 2.7 V, whichever is greater.
(2)
VDO is not measured for devices with VOUT(NOM) < 2.8 V because minimum VIN = 2.7 V.
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