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TPS79601DCQRG4 Datasheet(PDF) 3 Page - Texas Instruments

No. de pieza TPS79601DCQRG4
Descripción Electrónicos  ULTRALOW-NOISE, HIGH PSRR, FAST, RF, 1A LOW-DROPOUT LINEAR REGULATORS
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Fabricante Electrónico  TI [Texas Instruments]
Página de inicio  http://www.ti.com
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TPS79601DCQRG4 Datasheet(HTML) 3 Page - Texas Instruments

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ELECTRICAL CHARACTERISTICS
TPS796xx
SLVS351I – SEPTEMBER 2002 – REVISED MAY 2006
over recommended operating temperature range (T
J = –40°C to +125°C), VEN = VIN,, VIN = VOUT(nom) + 1 V
(1), I
OUT = 1mA,
C
OUT = 10µF, and 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
VFB Internal reference (TPS79601)
1.200
1.225
1.250
V
IOUT Continuous output current
0
1
A
Output
voltage
TPS79601
1.225
5.5 – VDD
V
range
TPS79601(2)
0
µA ≤ I
OUT ≤ 1A, VOUT + 1V ≤ VIN ≤ 5.5V
(1)
0.98VOUT
VOUT
1.02VOUT
V
Output
voltage
Fixed
0
µA ≤ I
OUT ≤ 1A, VOUT + 1V ≤ VIN ≤ 5.5V
(1)
–2.0
+2.0
%
Accuracy
VOUT < 5V
Fixed
0
µA ≤ I
OUT ≤ 1A, VOUT + 1V ≤ VIN ≤ 5.5V
(1)
–3.0
+3.0
%
VOUT = 5V
Output voltage line regulation
VOUT + 1V ≤ VIN≤ 5.5V
0.05
0.12
%/V
(
∆V
OUT%/VIN)
(1)
Load regulation (
∆V
OUT%/∆IOUT)
0
µA ≤ I
OUT ≤ 1A
5
mV
TPS79628
IOUT = 1A
270
365
TPS79628DRB
IOUT = 250mA
52
90
Dropout voltage(3)
TPS79630
IOUT = 1A
250
345
mV
(VIN = VOUT (nom)– 0.1V)
TPS79633
IOUT = 1A
220
325
TPS79650
IOUT = 1A
200
300
Output current limit
VOUT = 0V
2.4
4.2
A
Ground pin current
0
µA ≤ I
OUT ≤ 1A
265
385
µA
Shutdown current(4)
VEN = 0V, 2.7V ≤ VIN ≤ 5.5V
0.07
1
µA
FB pin current
VFB = 1.225V
1
µA
f = 100Hz, IOUT = 10mA
59
f = 100Hz, IOUT = 1A
54
Power-supply ripple
TPS79630
dB
rejection
f = 10Hz, IOUT = 1A
53
f = 100Hz, IOUT = 1A
42
CNR = 0.001µF
54
CNR = 0.0047µF
46
BW = 100Hz to 100kHz,
Output noise voltage (TPS79630)
µV
RMS
IOUT = 1A
CNR = 0.01µF
41
CNR = 0.1µF
40
CNR = 0.001µF
50
Time, start-up (TPS79630)
RL = 3Ω, COUT = 1µF
CNR = 0.0047µF
75
µs
CNR = 0.01µF
110
EN pin current
VEN = 0V
–1
1
µA
High-level enable input voltage
2.7V
≤ V
IN ≤ 5.5V
1.7
VIN
V
Low-level enable input voltage
2.7V
≤ V
IN ≤ 5.5V
0
0.7
V
(1)
Minimum VIN = VOUT + VDO or 2.7V, whichever is greater. TPS79650 is tested at VIN = 5.5V.
(2)
Tolerance of external resistors not included in this specification.
(3)
VDO is not measured for TPS79618 and TPS79625 because minimum VIN = 2.7V.
(4)
For adjustable version, this applies only after VIN is applied; then VEN transitions high to low.
3
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