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TPS793475DBVRG4 Datasheet(PDF) 3 Page - Texas Instruments

Part # TPS793475DBVRG4
Description  ULTRALOW-NOISE, HIGH PSRR, FAST RF 200mA LOW-DROPOUT LINEAR
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
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TPS793475DBVRG4 Datasheet(HTML) 3 Page - Texas Instruments

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ELECTRICAL CHARACTERISTICS
TPS793xx
SLVS348K – JULY 2001 – REVISED OCTOBER 2007
Over recommended operating temperature range TJ = –40°C to +125°C, VEN = VIN, VIN = VOUT(nom) + 1V
(1), I
OUT = 1mA,
COUT = 10μF, CNR = 0.01μF (unless otherwise noted). Typical values are at +25°C.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIN Input voltage
(1)
2.7
5.5
V
IOUT Continuous output current
0
200
mA
VFB Internal reference (TPS79301)
1.201
1.225
1.250
V
Output voltage range (TPS79301)
VFB
5.5 – VDO
V
TPS79318
0
μA < IOUT < 200mA,
2.8V < VIN < 5.5V
1.764
1.8
1.836
V
TPS79325
0
μA < IOUT < 200mA,
3.5V < VIN < 5.5V
2.45
2.5
2.55
V
TPS79328
0
μA < IOUT < 200mA,
3.8V < VIN < 5.5V
2.744
2.8
2.856
V
Output voltage
TPS793285
0
μA < IOUT < 200mA,
3.85V < VIN < 5.5V
2.793
2.85
2.907
V
TPS79330
0
μA < IOUT < 200mA,
4V < VIN < 5.5V
2.94
3
3.06
V
TPS79333
0
μA ≤ IOUT < 200mA,
4.3V < VIN < 5.5V
3.234
3.3
3.366
V
TPS793475
0
μA < IOUT < 200mA,
5.25V < VIN < 5.5V
4.655
4.75
4.845
V
Line regulation (
ΔVOUT%/ΔVIN)
(1)
VOUT + 1V < VIN ≤ 5.5V
0.05
0.12
%/V
Load regulation (
ΔVOUT%/ΔIOUT)
0
μA < IOUT < 200mA,
TJ = +25°C
5
mV
TPS79328
IOUT = 200mA
120
200
TPS793285
IOUT = 200mA
120
200
Dropout voltage(2)
TPS79330
IOUT = 200mA
112
200
mV
(VIN = VOUT(nom) – 0.1V)
TPS79333
IOUT = 200mA
102
180
TPS793475
IOUT = 200mA
77
125
Output current limit
VOUT = 0V
285
600
mA
GND pin current
0
μA < IOUT < 200mA
170
220
μA
Shutdown current(3)
VEN = 0V, 2.7V < VIN < 5.5V
0.07
1
μA
FB pin current
VFB = 1.8V
1
μA
f = 100Hz, TJ = +25°C,
IOUT = 10mA
70
f = 100Hz, TJ = +25°C,
IOUT = 200mA
68
Power-supply ripple rejection
TPS79328
dB
f = 10kHz, TJ = +25°C,
IOUT = 200mA
70
f = 100kHz, TJ = +25°C,
IOUT = 200mA
43
CNR = 0.001μF
55
CNR = 0.0047μF
36
BW = 200Hz to 100kHz,
Output noise voltage (TPS79328)
μVRMS
IOUT = 200mA
CNR = 0.01μF
33
CNR = 0.1μF
32
CNR = 0.001μF
50
Time, start-up (TPS79328)
RL = 14Ω, COUT = 1μF
CNR = 0.0047μF
70
μs
CNR = 0.01μF
100
High level enable input voltage
2.7V < VIN < 5.5V
1.7
VIN
V
Low level enable input voltage
2.7V < VIN < 5.5V
0
0.7
V
EN pin current
VEN = 0V
–1
1
μA
UVLO threshold
VCC rising
2.25
2.65
V
UVLO hysteresis
100
mV
(1)
Minimum VIN is 2.7V or VOUT + VDO, whichever is greater.
(2)
Dropout is not measured for the TPS79318 and TPS79325 since minimum VIN = 2.7V.
(3)
For adjustable versions, this parameter applies only after VIN is applied; then VEN transitions high to low.
Copyright © 2001–2007, Texas Instruments Incorporated
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