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TPS7A4501-SP Datasheet(PDF) 6 Page - Texas Instruments

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No. de pieza TPS7A4501-SP
Descripción Electrónicos  Low-Noise Fast-Transient-Response 1.5-A Low-Dropout Voltage Regulators
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI1 - Texas Instruments

TPS7A4501-SP Datasheet(HTML) 6 Page - Texas Instruments

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TPS7A4501, TPS7A4515, TPS7A4518, TPS7A4525, TPS7A4533
SLVS720F – JUNE 2008 – REVISED NOVEMBER 2015
www.ti.com
Electrical Characteristics (continued)
Over recommended operating temperature range TJ = –40 to 125°C (unless otherwise noted)
(1)
PARAMETER
TEST CONDITIONS
TJ
MIN
TYP (2)
MAX
UNIT
25°C
2
9
VIN = 2.5 V,
TPS7A4515
ΔILOAD = 1 mA to 1.5 A
Full range
18
25°C
2
10
VIN = 2.8 V,
TPS7A4518
ΔILOAD = 1 mA to 1.5 A
Full range
20
25°C
2.5
15
VIN = 3.5 V,
TPS7A4525
ΔILOAD = 1 mA to 1.5 A
Full range
30
25°C
3
20
Load regulation
mV
VIN = 4.3 V,
-40 to +85
TPS7A4533
30
ΔILOAD = 1 mA to 1.5 A
°C
Full range
70
25°C
2
8
VIN = 2.5 V,
-40 to +85
TPS7A4501 (3)
8
ΔILOAD = 1 mA to 1.5 A
°C
Full range
18
25°C
0.02
0.05
ILOAD = 1 mA
Full range
0.06
25°C
0.085
0.10
ILOAD = 100 mA
Full range
0.13
Dropout voltage (4) (6) (7)
VDO
V
VIN = VOUT(NOMINAL)
25°C
0.17
0.180
ILOAD = 500 mA
Full range
0.250
25°C
0.300
0.350
ILOAD = 1.5 A
Full range
0.450
ILOAD = 0 mA
Full range
1
1.5
ILOAD = 1 mA
Full range
1.1
1.6
GND pin current (7) (8)
IGND
ILOAD = 100 mA
Full range
3.3
3.5
mA
VIN = VOUT(NOMINAL) + 1
ILOAD = 500 mA
Full range
15
17
ILOAD = 1.5 A
Full range
80
90
COUT = 10 μF, ILOAD = 1.5 A,
eN
Output voltage noise
25°C
35
μVRMS
BW = 10 Hz to 100 kHz
IADJ
ADJ pin bias current (3) (9)
25°C
3
7
μA
VOUT = OFF to ON
Full range
0.9
2
Shutdown threshold
V
VOUT = ON to OFF
Full range
0.25
0.75
V SHDN = 0 V
25°C
0.01
1
I SHDN
SHDN pin current
μA
V SHDN = 20 V
25°C
3
20
Quiescent current in shutdown
VIN = 6 V, V SHDN = 0 V
25°C
0.01
1
μA
VIN – VOUT = 1.5 V (avg), VRIPPLE = 0.5 VP-P,
Ripple rejection
25°C
68
dB
fRIPPLE = 120 Hz, ILOAD = 0.75 A
VIN = 7 V, VOUT = 0 V
25°C
2
ILIMIT
Current limit
A
VIN = VOUT(NOMINAL) + 1
Full range
1.6
IIL
Input reverse leakage current
VIN = –20 V, VOUT = 0 V
Full range
300
μA
(6)
Dropout voltage is the minimum input to output voltage differential needed to maintain regulation at a specified output current. In
dropout, the output voltage is equal to: VIN – VDROPOUT.
(7)
To satisfy requirements for minimum input voltage, the TPS7A4501 is tested and specified for these conditions with an external resistor
divider (two 4.12-k
Ω resistors) for an output voltage of 2.4 V. The external resistor divider adds a 300-µA DC load on the output.
(8)
GND pin current is tested with VIN = (VOUT(NOMINAL) + 1 V) and a current source load. The GND pin current decreases at higher input
voltages.
(9)
ADJ pin bias current flows into the ADJ pin.
6
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Product Folder Links: TPS7A4501 TPS7A4515 TPS7A4518 TPS7A4525 TPS7A4533


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