TPS72011DRVT datasheet(3/25 Pages) TI

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ELECTRICAL CHARACTERISTICS

TPS720xx

www.ti.com........................................................................................................................................................ SBVS100D – JUNE 2008 – REVISED AUGUST 2009

Over operating temperature range (TJ = –40°C to +125°C), VBIAS = (VOUT + 1.4V) or 2.5V (whichever is greater); VIN ≥ VOUT +

0.5V, IOUT = 1mA, VEN = 1.1V, COUT = 2.2µF, unless otherwise noted. Typical values are at TJ = +25°C.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VBIAS or

VIN

Input voltage range

1.1(1)

4.5(2)

VBIAS

Bias voltage range

2.5

5.5

Output voltage range(4)

0.9

3.6

Nominal

TJ = +25°C

–3.0

+3.0

VOUT + 1.4V ≤ VBIAS ≤ 5.5V,

Over VBIAS, VIN, IOUT,

VOUT + 0.5V ≤ VIN ≤ 4.5V,

–2.0

+2.0

TJ = –40°C to +125°C

0mA

≤ IOUT ≤ 350mA

DRV package only:

VOUT + 1.4V ≤ VBIAS ≤ 5.5V,

Over VBIAS, VIN, IOUT,

VOUT + 0.5V ≤ VIN ≤ 4.5V,

–25

+25

TJ = –40°C to +125°C

VOUT

(3)

Output

0mA

≤ IOUT ≤ 350mA,

accuracy

VOUT < 1.2V

YZU package only:

VOUT + 1.4V ≤ VBIAS ≤ 5.5V,

Over VBIAS, VIN, IOUT,

VOUT + 0.5V ≤ VIN ≤ 4.5V,

–1.0

+1.0

TJ = –10°C to +85°C

0mA

≤ IOUT ≤ 350mA

1.6V

≤ VOUT ≤ 3.3V

VOUT + 1.4V ≤ VBIAS ≤ 5.5V,

VIN floating

±1.0

µA ≤ I

OUT ≤ 500µA

ΔVOUT/ΔVIN

VIN line regulation

VIN = (VOUT + 0.5V) to 4.5V, IOUT = 1mA

µV/V

VBIAS = (VOUT + 1.4V) or 2.5V (whichever is

ΔVOUT/ΔVBIAS VBIAS line regulation

µV/V

greater) to 5.5V, IOUT = 1mA

VIN line transient

ΔVIN = 400mV, tRISE = tFALL = 1µs

±200

µV

VBIAS line transient

ΔVBIAS = 600mV, tRISE = tFALL = 1µs

±0.8

ΔVOUT/ΔIOUT Load regulation

0mA

≤ IOUT ≤ 350mA (no load to full load)

–15

µV/mA

Load transient

0mA

≤ IOUT ≤ 350mA, tRISE = tFALL = 1µs

±15

VIN = VOUT(NOM) – 0.1V,

VDO_IN

VIN dropout voltage

(5)

(VBIAS – VOUT(NOM)) = 1.4V,

110

200

IOUT = 350mA

VDO_BIAS

VBIAS dropout voltage

(6)

VIN = VOUT(NOM) + 0.3V, IOUT = 350mA

1.09

1.4

ICL

Output current limit

VOUT = 0.9 × VOUT(NOM)

420

525

800

IOUT = 100µA

µA

IGND

Ground pin current

IOUT = 0mA to 350mA

µA

ISHDN

Shutdown current (IGND)

VEN ≤ 0.4V, TJ = -40°C to +85°C

0.5

µA

f = 10Hz

f = 100Hz

VIN – VOUT ≥ 0.5V,

f = 1kHz

PSRR

VIN power-supply rejection ratio

VBIAS = VOUT + 1.4V,

f = 10kHz

IOUT = 350mA

f = 100kHz

f = 1MHz

(1)

Performance specifications are ensured up to a minimum VIN = VOUT + 0.5V.

(2)

Whichever is less.

(3)

Minimum VBIAS = (VOUT + 1.4V) or 2.5V (whichever is greater) and VIN= VOUT + 0.5V.

(4)

VO nominal value is factory programmable through the onchip EEPROM.

(5)

Measured for devices with VOUT(NOM) ≥ 1.2V.

(6)

VBIAS – VOUT with VOUT = VOUT(NOM) – 0.1V. Measured for devices with VOUT(NOM) ≥ 1.8V.

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