TPS70802PWP datasheet(5/37 Pages) TI1

Part #	TPS70802PWP

Description	DUAL-OUTPUT, LOW DROPOUT VOLTAGE REGULATORS WITH INTEGRATED SVS FOR SPLIT VOLTAGE SYSTEMS

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ELECTRICAL CHARACTERISTICS

(3)

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

Lineregulation(mV)=(%/V)x V

o

x1000

(V

2.7)

100

-

Imax

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

x1000

[ V

(V +1) ]

100

-

Imax

o

Lineregulation(mV)=(%/V)x V

o

TPS70845, TPS70848

TPS70851, TPS70858

TPS70802

SLVS301D – JUNE 2000 – REVISED DECEMBER 2007

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

EN = 0 V, and COUT = 33 µF (unless otherwise noted).

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

2.7 V < VIN < 6 V,

FB connected to VO

1.22

Reference

TJ = +25°C

voltage

2.7 V < VIN < 6 V,

FB connected to VO

1.196

1.244

2.7 V < VIN < 6 V,

TJ = +25°C

1.2

1.2 V Output

2.7 V < VIN < 6 V,

1.176

1.224

2.7 V < VIN < 6 V,

TJ = +25°C

1.5

1.5 V Output

Output

2.7 V < VIN < 6 V,

1.47

1.53

VO

V

voltage (1),(2)

2.8 V < VIN < 6 V,

TJ = +25°C

1.8

1.8 V Output

2.8 V < VIN < 6 V,

1.764

1.836

3.5 V < VIN < 6 V,

TJ = +25°C

2.5

2.5 V Output

3.5 V < VIN < 6 V,

2.45

2.55

4.3 V < VIN < 6 V,

TJ = +25°C

3.3

3.3 V Output

4.3 V < VIN < 6 V,

3.234

3.366

Quiescent current (GND current) for

See (2)

TJ = +25°C

190

regulator 1 and regulator 2, EN1 = EN2

µA

See (2)

230

= 0 V(1)

VO + 1 V < VIN ≤ 6 V,

TJ = +25°C

(1)

0.01

Output voltage line regulation (

∆VO/VO)

%V

for regulator 1 and regulator 2 (3)

VO + 1 V < VIN ≤ 6 V

(1)

0.1

Load regulation for VOUT 1 and VOUT2

TJ = +25°C

1

mV

Regulator 1

65

Output noise

Vn

BW = 300 Hz to 50 kHz,

CO = 33 µF, TJ = +25°C

µV

RMS

voltage

Regulator 2

65

Regulator 1

1.6

1.9

Output current limit

VOUT = 0 V

A

Regulator 2

0.750

1

Thermal shutdown junction temperature

+150

°C

Regulator 1

EN1 = VIN, EN2 = VIN

TJ = +25°C

2

II

Standby

µA

(standby) current

Regulator 2

EN1 = VIN, EN2 = VIN

6

f = 1 kHz, COUT = 33 µF,

Regulator 1

TJ = +25°C

(1)

60

Power-

IOUT1 = 250 mA

PSRR

supply ripple

dB

f = 1 kHz, COUT = 33 µF,

rejection

Regulator 2

TJ = +25°C

(1)

50

IOUT2 = 125 mA

UVLO threshold

2.4

2.65

V

RESET Terminal

Minimum input voltage for valid RESET

I(RESET) = 300 µA,

V(RESET) ≤ 0.8 V

1.0

1.3

V

t(RESET)

RESET pulse duration

80

120

160

ms

Output low voltage

VIN = 3.5 V,

I(RESET) = 1 mA

0.15

0.4

V

Leakage current

V(RESET) = 6 V

1

µA

(1)

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

current = 1 mA.

(2)

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

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