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TPS74001DGKT Datasheet(PDF) 4 Page - Texas Instruments

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No. de pieza TPS74001DGKT
Descripción Electrónicos  1.5-A, Low-Voltage LDO Regulator with Dual Input Voltages
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI1 - Texas Instruments

TPS74001DGKT Datasheet(HTML) 4 Page - Texas Instruments

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TPS740xx
SBVS091A
– JUNE 2011 – REVISED JUNE 2011
www.ti.com
ELECTRICAL CHARACTERISTICS
Over operating temperature range (TJ = –40°C to +125°C), VBIAS = VOUT + 2.0 V, VIN = VOUT + 1 V, COUT = 10 μF, following
Recommended Resistor Values, and VEN = 1.1 V, unless otherwise noted. Typical values are at TJ = +25°C. TPS74001
(adjustable output voltage) is tested at VOUT = 0.9 V.
TPS740xx
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIN Input voltage range
1.2
5.5
V
VBIAS Bias pin voltage range
2.9
5.5
V
TJ = 25°C
–1
1
%
VOUT Accuracy
(1)
TJ = –40°C to +125°C
–2
2
%
VOUT/VIN Line regulation
VIN = VOUT + 1 V to 5.5 V
–0.1
0.01
0.1
%/V
VOUT/IOUT Load regulation
ILOAD = 0 mA to 1.5 A
1.5
%
VIN dropout voltage
(2)
ILOAD = 1.5 A
100
300
mV
VDO
VBIAS dropout voltage
(2)
ILOAD = 1.5 A, VIN = VBIAS
1.3
1.6
V
IGND Ground pin current
(3)
ILOAD = 1.5 A
2
3
mA
Shutdown supply current
Fixed output version only. VEN ≤ 0.4 V,
ISHDN
1
5
μA
(IGND)
TJ = –40°C to +85°C, VOUT = 0 V
IBIAS Bias pin current
ILOAD = 1.5 A
2
mA
ICL Current limit
VOUT = 80% × VOUT (NOM)
1.6
6.0
A
VEN, HI Enable input high level
1.1
5.5
V
VEN, LO Enable input low level
RLOAD = 1 kΩ to GND
0
0.4
V
IEN Enable pin current
VEN = 1.5 V
0.1
1
μA
Operating junction
TJ
–40
+125
°C
temperature
Shutdown, temperature increasing
+165
Thermal shutdown
TSD
°C
temperature
Reset, temperature decreasing
+140
VREF Reference voltage
0.882
0.9
0.918
V
(1)
Adjustable output voltage devices: resistor tolerance is not taken into account.
(2)
Dropout is defined as the voltage from the input voltage to VOUT when VOUT is 3% below nominal.
(3)
IGND(MAX) = 3 mA includes the maximum 2 mA of IBIAS.
4
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Copyright
© 2011, Texas Instruments Incorporated
Product Folder Link(s): TPS740xx


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