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TPS7A4518 Datasheet(PDF) 6 Page - Texas Instruments

Part # TPS7A4518
Description  TPS7A45xx Low-Noise Fast-Transient-Response 1.5-A Low-Dropout Voltage Regulators
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS7A4518 Datasheet(HTML) 6 Page - Texas Instruments

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TPS7A4501, TPS7A4515, TPS7A4518, TPS7A4525, TPS7A4533
SLVS720E – JUNE 2008 – REVISED AUGUST 2014
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(8)(9)
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(10)(11)
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)
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.
(9)
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.
(10) The TPS7A4501 is tested and specified for these conditions with the ADJ pin connected to the OUT pin.
(11) 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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