TPS72201, TPS72215

TPS72216, TPS72218

SLVS390B – DECEMBER 2001 – REVISED MAY 2002

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3

ELECTRICAL CHARACTERISTICS

over recommended operating free-air temperature range, VI = VO(typ) + 1 V, IO= 1 mA, EN = VI, Co = 4.7 µF (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VI

Input voltage(1)

1.8

5.5

V

IO

Continuous output current

0

50

mA

TJ

Operating junction temperature

–40

125

°C

TPS72201

0

µA< IO < 50 mA,(1)

1.2 V

≤ VO ≤ 2.5 V 0.97 VO

1.03 VO

TPS72215

TJ = 25°C

1.5

TPS72215

0

µA< IO < 50 mA

2.5 V

≤ VI ≤ 5.5 V

1.455

1.545

VO

Output voltage

TPS72216

TJ = 25°C

1.6

V

VO

Out ut voltage

TPS72216

0

µA< IO < 50 mA

2.6 V

≤ VI ≤ 5.5 V

1.552

1.648

V

TPS72218

TJ = 25°C

1.8

TPS72218

0

µA< IO < 50 mA

2.5 V

≤ VI ≤ 5.5 V

1.746

1.854

TJ = 25°C

85

I

Quiescent current (GND terminal

120

A

I(Q)

Quiescent current (GND terminal

current)

IO = 50 mA

TJ = 25°C

275

µA

IO = 50 mA

550

Standby current

EN < 0.5 V,

TJ = 25°C

0.01

A

Standby current

EN < 0.5 V

1

µA

Vn

Output noise voltage

TPS72215

BW = 200 Hz to 100 kHz,

TJ = 25°C

Co = 1 µF

90

µV

Vref

Reference voltage

TJ = 25°C

1.225

V

PSRR

Ripple rejection

f = 100 Hz, Co = 10 µF,

IO = 50 mA

TJ = 25°C,

See Note 1

48

dB

Current limit

See Note 2

175

525

mA

Output voltage line regulation

V1 V

V

≤ 55 V

TJ = 25°C

0.03

0.09

%/V

Out ut voltage line regulation

(

∆VO/VO)(3)

VO + 1 V < VI ≤ 5.5 V

0.1

%/V

Output voltage load

regulation

TPS72218

0 < IO < 50 mA,

TJ = 25°C

0.2

mV

VIH

EN high level input

1.4

V

VIL

EN low level input

–0.2

0.4

V

I

EN input current

EN = 0 V

–0.01

A

II

EN input current

EN = IN

–0.01

µA

V

Dropout voltage (4)

TPS72218

IO = 50 mA

TJ = 25°C

50

mV

VDO

Dropout voltage (4)

TPS72201

IO = 50 mA

1.2 V

≤ VO ≤ 5.2 V

100

mV

In

Feedback input current

TPS72201

1

µA

Thermal shutdown temperature

170

°C

Thermal shutdown hysteresis

20

°C

(1) Minimum IN operating voltage is 1.8 V or VO(max) + VDO (max load), whichever is greater.

(2) Test condition includes, output voltage VO = 1 V and pulse duration = 10 mS.

(3) VImax = 5.5 V, VImin = (VO + 1) or 1.8 V whichever is greater.

Line regulation (mV)

+ % V

V

O

5.5 V

* V

Imin

100

1000

(4) Dropout voltage is defined as the differential voltage between VO and VI when VO drops 100 mV below the value measured with VI = VO + 1 V.