TPS2115ADRBT datasheet(3/27 Pages) TI1

No. de pieza	TPS2115ADRBT

Descripción Electrónicos	AUTOSWITCHING POWER MUX

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Fabricante Electrónico	TI1 [Texas Instruments]

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TPS2114A

TPS2115A

www.ti.com

SBVS044F – MARCH 2004 – REVISED MAY 2012

PACKAGE DISSIPATION RATINGS

DERATING FACTOR

TA ≤ 25°C POWER

TA = 70°C POWER

TA = 85°C POWER

PACKAGE

ABOVE TA = 25°C

RATING

TSSOP-8 (PW)

3.9 mW/°C

387 mW

213 mW

155 mW

SON-8 (DRB)

25.0 mW/°C

2.50 W

1.38 W

1.0 W

RECOMMENDED OPERATING CONDITIONS

MIN

NOM

MAX

UNIT

VI(IN2) ≥ 2.8 V

1.5

5.5

V

Input voltage at IN1, VI(IN1)

VI(IN2) < 2.8 V

2.8

5.5

V

VI(IN1) ≥ 2.8 V

1.5

5.5

V

Input voltage at IN2, VI(IN2)

VI(IN1) < 2.8 V

2.8

5.5

V

Input voltage, VI(DO), VI(D1)

0

5.5

V

TPS2114APW

0.31

0.75

A

Nominal current limit adjustment range,

TPS2115APW

0.63

1.25

A

IO(OUT)

(1)

TPS2115ADRB, TJ ≤ 105°C

0.63

2

A

Operating virtual junction temperature, TJ

–40

125

°C

(1)

Minimum recommended current is based on accuracy considerations.

ELECTRICAL CHARACTERISTICS: POWER SWITCH

Over recommended operating junction temperature range, VI(IN1) = VI(IN2) = 5.5 V, and RILIM = 400 Ω, unless otherwise noted.

TPS2114A

TPS2115A

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

MIN

TYP

MAX

UNIT

TJ = 25°C, IL = 500 mA, VI(IN1) = VI(IN2) = 5.0 V

120

140

84

110

m

Ω

TJ = 25°C, IL = 500 mA, VI(IN1) = VI(IN2) = 3.3 V

120

140

84

110

m

Ω

TJ = 25°C, IL = 500 mA, VI(IN1) = VI(IN2) = 2.8 V

120

140

84

110

m

Ω

Drain-source on-state

rDS(on)

(1)

resistance (INx

−OUT)

TJ = 125°C, IL = 500 mA, VI(IN1) = VI(IN2) = 5.0 V

220

150

m

Ω

TJ = 125°C, IL = 500 mA, VI(IN1) = VI(IN2) = 3.3 V

220

150

m

Ω

TJ = 125°C, IL = 500 mA, VI(IN1) = VI(IN2) = 2.8 V

220

150

m

Ω

(1)

The TPS211xA can switch a voltage as low as 1.5 V as long as there is a minimum of 2.8 V at one of the input power pins. In this

specific case, the lower supply voltage has no effect on the IN1 and IN2 switch on-resistances.

3

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