TPS70151PWPG4 datasheet(4/42 Pages) TI1

No. de pieza	TPS70151PWPG4

Descripción Electrónicos	Dual-Output Low Dropout Voltage Regulators with Power-Up Sequencing for Split-Voltage DSP Systems

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Fabricante Electrónico	TI1 [Texas Instruments]

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Line Reg. (mV)

+ (% V)

V

O

V

Imax

*2.7V

100

1000

Line Reg. (mV)

+ (% V)

V

O

V

Imax* VO)1V

100

1000

(3)

If VO < 1.8V then VImax = 6V, VImin = 2.7V:

If VO > 2.5V then VImax = 6V, VImin = VO + 1V:

TPS70145, TPS70148

TPS70151, TPS70158

TPS70102

SLVS222I – DECEMBER 1999 – REVISED AUGUST 2010

www.ti.com

THERMAL INFORMATION

TPS701xx

THERMAL METRIC(1) (2)

UNITS

PWP (20 PINS)

qJA

Junction-to-ambient thermal resistance

74.1

qJCtop

Junction-to-case (top) thermal resistance

43.1

qJB

Junction-to-board thermal resistance

19.7

°C/W

yJT

Junction-to-top characterization parameter

2.9

yJB

Junction-to-board characterization parameter

17.3

qJCbot

Junction-to-case (bottom) thermal resistance

1.4

(1)

For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.

(2)

For thermal estimates of this device based on PCB copper area, see the TI PCB Thermal Calculator.

RECOMMENDED OPERATING CONDITIONS

Over operating temperature range (unless otherwise noted)

MIN

MAX

UNIT

Input voltage, VI

(1)(regulator 1 and 2)

2.7

6

V

Output current, IO (regulator 1)

0

500

mA

Output current, IO (regulator 2)

0

250

mA

Output voltage range (for adjustable option)

1.22

5.5

V

Operating junction temperature, TJ

–40

+125

°C

(1)

To calculate the minimum input voltage for maximum output current, use the following equation: VI(min) = VO(max) + VDO(max load).

ELECTRICAL CHARACTERISTICS

Over recommended operating junction temperature range (TJ = –40°C to +125°C), VIN1 or VIN2 = VOUT(nom) + 1V, IO = 1mA,

EN = 0V, CO = 33mF, (unless otherwise noted).

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Reference

2.7V < VI < 6V,

FB connected to VO

1.22

voltage

TJ = +25°C

2.7V < VI < 6V,

FB connected to VO

1.196

1.244

1.2V Output

2.7V < VI < 6V,

TJ = +25°C

1.2

2.7V < VI < 6V,

1.176

1.224

1.5V Output

2.7V < VI < 6V,

TJ = +25°C

1.5

Output

2.7V < VI < 6V,

1.47

1.53

VO

voltage(1) ,

V

(2)

1.8V Output

2.7V < VI < 6V,

TJ = +25°C

1.8

2.7V < VI < 6V,

1.764

1.836

2.5V Output

2.7V < VI < 6V,

TJ = +25°C

2.5

2.7V < VI < 6V,

2.45

2.55

3.3V Output

2.7V < VI < 6V,

TJ = +25°C

3.3

2.7V < VI < 6V,

3.234

3.366

(2)

TJ = +25°C

190

Quiescent current (GND current) for

mA

regulator 1 and regulator 2, EN = 0V(1)

(2)

230

VO + 1V < VI ≤ 6V,

TJ = +25°C

(1)

0.01%

Output voltage line regulation (

∆VO/VO)

V

for regulator 1 and regulator 2 (3)

VO + 1V < VI ≤ 6V

(1)

0.1%

Load regulation for VOUT 1 and VOUT2

TJ = +25°C

(2)

1

mV

(1)

Minimum input operating voltage is 2.7V or VO(typ) + 1V, whichever is greater. Maximum input voltage = 6V, minimum output

current = 1mA.

(2)

IO = 1mA to 250mA for Regulator 1 and 1mA to 125mA for Regulator 2.

4

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