TPS71550DCKRG4 datasheet(3/16 Pages) TI1

No. de pieza	TPS71550DCKRG4

Descripción Electrónicos	50 mA, 24 V, 3.2-mA Supply Current

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Fabricante Electrónico	TI1 [Texas Instruments]

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ELECTRICAL CHARACTERISTICS

TPS715xx

www.ti.com .................................................................................................................................................... SLVS338P – MAY 2001 – REVISED NOVEMBER 2008

Over operating junction temperature range (TJ = –40°C to +125°C), VIN = VOUT(NOM) + 1 V, IOUT = 1 mA, and COUT = 1 µF,

unless otherwise noted. Typical values are at TJ = +25°C.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

IO = 10 mA

2.5

24

Input voltage(1)

VIN

V

IO = 50 mA

3

24

VOUT voltage range (TPS71501)

1.2

15

V

VIN + 1.0 V ≤ VIN ≤ 24 V

VOUT accuracy

(1)

Over VIN, IOUT, and T

–4.0

+4.0

%

100

µA ≤ I

OUT ≤ 50 mA

0

≤ IOUT ≤ 50 mA, TJ = –40°C to +85°C

3.2

4.2

Ground pin current(2)

IGND

0 mA

≤ IOUT ≤ 50 mA

3.2

4.8

µA

0 mA

≤ IOUT ≤ 50 mA, VIN = 24 V

5.8

Load regulation

ΔVOUT/ΔIOUT

IOUT = 100 µA to 50 mA

22

mV

Output voltage

ΔVOUT/ΔVIN

VOUT + 1 V < VIN ≤ 24 V

20

60

mV

line regulation (1)

BW = 200 Hz to 100 kHz, COUT = 10 µF,

Output noise voltage

Vn

575

µVrms

IOUT = 50 mA

VOUT = 0 V, VIN ≥ 3.5 V

125

750

mA

Output current limit

ICL

VOUT = 0 V, VIN < 3.5 V

90

750

mA

Power-supply ripple rejection

PSRR

f = 100 kHz, COUT = 10 µF

60

dB

Dropout voltage

VDO

IOUT = 50 mA

415

750

mV

VIN = VOUT(NOM) – 0.1 V

(1)

Minimum VIN = VOUT + VDO or the value shown for Input voltage in this table, whichever is greater.

(2)

See Figure 1. The TPS715xx family employs a leakage null control circuit. This circuit is active only if output current is less than pass

FET leakage current. The circuit is typically active when output load is less than 5

µA, V

IN is greater than 18 V, and die temperature is

greater than +100°C.

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