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TPS77501DRG4 Datasheet(PDF) 3 Page - Texas Instruments

No. de pieza TPS77501DRG4
Descripción Electrónicos  FAST-TRANSIENT-RESPONSE 500mA LOW-DROPOUT VOLTAGE REGULATORS
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TPS77501DRG4 Datasheet(HTML) 3 Page - Texas Instruments

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ELECTRICAL CHARACTERISTICS
TPS775xx, TPS776xx
SLVS232I – SEPTEMBER 1999 – REVISED AUGUST 2007
Over recommended operating temperature range (TJ = –40°C to +125°C), VIN = VOUT(TYP) + 1V; IOUT = 1mA, VEN = 0V, COUT =
10
μF, unless otherwise noted. Typical values are at TJ = +25°C.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIN
Input voltage range
2.7
10
V
TPS77501
1.5
5.5
V
VOUT
Output voltage range
TPS77601
1.2
5.5
V
VOUT + 1V ≤ VIN ≤ 10V
(1)
VOUT
Accuracy
–2.0
+2.0
%
10
μA < IOUT < 500mA
IOUT = 10mA
85
IGND
Ground pin current
μA
IOUT = 500mA
125
ΔVOUT%/ ΔVIN
Output voltage line regulation
VOUT + 1V ≤ VIN ≤ 10V
(1)
0.01
%/V
ΔVOUT%/ ΔIOUT
Load regulation
3
mV
Output noise voltage
VN
TPS77x18
IC = 500mA, COUT = 10μF
53
μVRMS
BW = 200Hz to 100kHz
TPS77628
IOUT = 500mA
285
410
mV
VDO
Dropout voltage(2)
TPS77533
IOUT = 500mA
169
287
mV
TPS77633
IOUT = 500mA
169
287
mV
ICL
Output current limit
VOUT = 0V
1.2
1.6
1.9
A
TSD
Shutdown temperature
150
°C
TJ
Operating junction temperature range
–40
+125
°C
EN = VIN, at TJ = +25°C,
1
2.7V < VIN < 10V
ISTBY
Standby current
μA
EN = VIN, 2.7V < VIN < 10V
10
IFB
FB input current
TPS77x01
FB = 1.5V
2
nA
VEN(HI)
High-level enable input voltage
1.7
V
VEN(LO)
Low-level enable input voltage
0.9
V
PSRR
Power-supply ripple rejection
f = 100Hz, COUT = 10μF
60
dB
Minimum input voltage for valid RESET
IOUT(RESET) = 300μA
1.1
V
Trip threshold voltage
VOUT decreasing
92
98
%VOUT
Hysteresis voltage
Measured at VOUT
0.5
%VOUT
RESET
(TPS775xx)
Output low voltage
VIN = 2.7V, IOUT(RESET) = 1mA
0.15
0.4
V
Leakage current
V(RESET) = 5V
1
μA
RESET time-out delay
200
ms
Minimum input voltage for valid PG
IOUT(PG) = 300μA
1.1
V
Trip threshold voltage
VOUT decreasing
92
98
%VOUT
PG
Hysteresis voltage
Measured at VOUT
0.5
%VOUT
(TPS776xx)
Output low voltage
VIN = 2.7V, IOUT(PG) = 1mA
0.15
0.4
V
Leakage current
V(PG) = 5V
1
μA
EN = 0V
–1
0
1
Input current (EN)
μA
EN = VIN
–1
1
(1)
Minimum VIN = VOUT + VDO or 2.7V, whichever is greater.
(2)
VDO is not measured for fixed output versions with VOUT(NOM) < 2.8 V because mimimum VIN = 2.7V.
3
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