TPS7A4518KTTRG3 datasheet(6/36 Pages) TI1

Part #	TPS7A4518KTTRG3

Description	Low-Noise Fast-Transient-Response 1.5A Low-Dropout Voltage Regulators

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Manufacturer	TI1 [Texas Instruments]

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TPS7A4501, TPS7A4515, TPS7A4518, TPS7A4525, TPS7A4533

SLVS720F – JUNE 2008 – REVISED NOVEMBER 2015

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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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