TPS7A3501_15_15 datasheet(6/29 Pages) TI

No. de pieza	TPS7A3501_15

Descripción Electrónicos	TPS7A3501 High PSRR, Low-Noise, 1-A Power Filter

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Fabricante Electrónico	TI [Texas Instruments]

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TPS7A3501

SBVS228B – JULY 2013 – REVISED MARCH 2015

www.ti.com

6.5 Electrical Characteristics

At TJ = –40°C to 125°C, VIN = 3.6 V, RNR = ∞ (not connected), IOUT = 10 mA, VEN = VIN, and CIN = COUT = 10 µF, unless

otherwise noted.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VIN

Input voltage range

1.71

5

V

VIN increasing

1.5

1.7

V

VUVLO(in)

Input supply UVLO

VIN hysteresis

200

mV

VOUT

Output voltage range

1.21

4.5

V

200

500

mV

VOUT(nom) = VIN – 330 mV, IOUT ≤ 1 A,

297

330

363

mV

1.71 V

≤ VIN ≤ 4.83 V

VIN – VOUT voltage range

RNR_INTERNAL

(1)

110

170

210

k

Ω

INR_INTERNAL

(2)

1.4

1.8

2.4

µA

∆VOUT(∆IOUT)

Load regulation

10 mA

≤ IOUT ≤ 1 A

10

µV/mA

ICL

Output current limit

VOUT = 0.85 × VOUT(nom)

1.1

A

IGND

GND pin current

2.25

5

mA

IEN

EN pin input current

VEN = VIN

1

50

nA

ISHUTDOWN

Shutdown current (IGND)

VEN ≤ 0.3 V

0.01

3

µA

f = 10 kHz, CNR = 1 µF, IOUT = 0.5 A

55

PSRR

Power-supply rejection ratio

f = 100 kHz, CNR = 1 µF, IOUT = 0.5 A

40

dB

f = 1 MHz, CNR = 1 µF, IOUT = 0.5 A

42

BW = 10 Hz to 100 kHz, CNR = 1 µF, IOUT = 1 A

3.8

BW = 100 Hz to 100 kHz, CNR = 1 µF,

Vn

Output noise voltage

3.62

µVRMS

IOUT = 1 A

BW = 10 Hz to 1 MHz, CNR = 1 µF, IOUT = 1 A

12.1

VEN(LO)

EN pin input low (disable)

0.4

V

VEN(HI)

EN pin input high (enable)

1.1

V

Shutdown, temperature increasing

165

Thermal shutdown junction

Tsd

°C

temperature

Shutdown, temperature hysteresis

20

(1)

RNR_INTERNAL refers to the internal resistor used to set (VIN – VOUT) for the device when no external RNR is used. See Adjustable Voltage

Drop and Typical Application Circuit for details.

(2)

INR_INTERNAL refers to the internal current source used to set (VIN – VOUT) for the device when no external RNR is used. See Adjustable

Voltage Drop and Typical Application Circuit for details.

6

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