TWL2203PFB datasheet(10/16 Pages) TI

Part #	TWL2203PFB

Description	POWER SUPPLY MANAGEMENT IC

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Manufacturer	TI [Texas Instruments]

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TWL2203

POWER SUPPLY MANAGEMENT IC

SLVS185 – FEBRUARY 2000

10

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

electrical characteristics over recommended operating junction temperature range, VCC = 3.75 V

and VEXT = 5.5 V (unless otherwise specified) (continued)

operational amplifiers, TA = –30°C to 85°C

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VOS

Input offset voltage

Vcm = 1.5 V

2

10

mV

IOPB

Input bias current

50

250

na

IOPOS

Input offset current

5

50

nA

RIN

Input resistance

DC resistance

100

M

Ω

CMMR

Common-mode rejection ratio

f = 400 Hz,

Vcm = 1.5 V

65

75

dB

VCM

Input common voltage

0.1

2.9

V

PSRR

Power-supply rejection ratio

f = 400 Hz,

Vcm = 1.5 V

60

70

dB

CIN

Common-mode input capacitance

3

pF

VO

Output swing, high

Output high, IO = 2.5 mA (source)

2.9

2.95

V

VO

Output swing, low

Output low,

IO = –2.5 mA (sink)

0.1

0.15

V

IO

Output current

DC Current

±2.5

mA

THD

Total harmonic distortion

f = 1 kHz,

20 dB closed-loop gain,

IO = 0.5 mA

1%

SR

Slew rate

0.3†

V

/µs

GBW

Gain bandwidth product

300

kHz

ringer driver, TA = –30°C to 85°C

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

RON

On resistance

RINGON = VCC, IOUTRING = 100 mA, TA = 25°C

3

Ω

TONRING

Turnon time

10

µs

TOFFRING

Turnoff time

10

µs

internal power supply

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VINTERNAL

Output voltage

ILOAD = 7.5 mA

3.1

3.25

3.4

V

bandgap reference

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Output voltage

1.1812

1.192

1.2028

V

Output noise voltage (RMS)

BW = 300 Hz – 50 kHz

800

nV/Hz

REFVALID

Reference valid

5

µA

thermal shutdown

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Trip point

160

190

°C

Hysteresis temperature

15

°C

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