TPS2231PWG4 datasheet(5/26 Pages) TI

Part #	TPS2231PWG4

Description	ExpressCard POWER INTERFACE SWITCH

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Manufacturer	TI [Texas Instruments]

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SWITCHING CHARACTERISTICS

TPS2231

TPS2236

SLVS536B – JULY 2004 – REVISED JANUARY 2005

ELECTRICAL CHARACTERISTICS (continued)

T

J = 25°C, VI(3.3VIN) = VI(AUXIN) = 3.3 V, VI(1.5VIN) = 1.5 V, VI(/SHDNx), VI(/STBYx) = 3.3 V, VI(/CPPEx) = VI(/CPUSBx) = 0 V,

V

I(/SYSRST) = 3.3 V, OCx and RCLKENx and PERSTx are open, all voltage outputs unloaded (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

3.3VOUT, AUXOUT, or 1.5VOUT

tW(PERST)

PERST minimum pulse width

falling out of tolerance or triggered by

100

250

µs

SYSRST

PERST output low voltage

0.4

V

IO(PERST) = 500 µA

PERST output high voltage

2.4

V

OC output low voltage

IO(/OC) = 2 mA

0.4

V

OC leakage current

VO(/OC) = 3.6 V

1

µA

Falling into or out of an overcurrent

OC deglitch

6

20

mS

condition

UNDERVOLTAGE LOCKOUT (UVLO)

3.3VIN level, below which 3.3VIN

3.3VIN UVLO

2.6

2.9

and 1.5VIN switches are off

1.5VIN level, below which 3.3VIN

1.5VIN UVLO

1

1.25

V

and 1.5VIN switches are off

AUXIN level, below which all

AUXIN UVLO

2.6

2.9

switches are off

UVLO hysteresis

100

mV

T

J = 25°C, VI(3.3VIN) = VI(AUXIN) = 3.3 V, VI(1.5VIN) = 1.5 V, VI(/SHDNx), VI(/STBYx) = 3.3 V, VI(/CPPEx) = VI(/CPUSBx) = 0 V,

V

I(/SYSRST) = 3.3 V, OCx and RCLKENx and PERSTx are open, all voltage outputs unloaded (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

3.3VIN to 3.3VOUT

CL(3.3VOUT) = 0.1 µF, IO(3.3VOUT) = 0 A

0.1

3

AUXIN to AUXOUT

CL(AUXOUT) = 0.1 µF, IO(AUXOUT) = 0 A

0.1

3

1.5VIN to 1.5VOUT

CL(1.5VOUT) = 0.1 µF, IO(1.5VOUT) = 0 A

0.1

3

tr

Output rise times

ms

3.3VIN to 3.3VOUT

CL(3.3VOUT) = 100 µF, RL = VI(3.3VIN)/1 A

0.1

6

AUXIN to AUXOUT

CL(AUXOUT) = 100 µF, RL = VI(AUXIN)/0.250 A

0.1

6

1.5VIN to 1.5VOUT

CL(1.5VOUT) = 100 µF, RL = VI(1.5VIN)/0.500 A

0.1

6

3.3VIN to 3.3VOUT

CL(3.3VOUT) = 0.1 µF, IO(3.3VOUT) = 0 A

10

150

AUXIN to VAUXOUT

CL(AUXOUT) = 0.1 µF, IO(AUXOUT) = 0 A

10

150

µs

Output fall times

1.5VIN to 1.5VOUT

CL(1.5VOUT) = 0.1 µF, IO(1.5VOUT) = 0 A

10

150

when card removed

tf

(both CPUSB and

3.3VIN to 3.3VOUT

CL(3.3VOUT) = 20 µF, IO(3.3VOUT) = 0 A

2

30

CPPE de-asserted)

AUXIN to VAUXOUT

CL(AUXOUT) = 20 µF, IO(AUXOUT) = 0 A

2

30

ms

1.5VIN to 1.5VOUT

CL(1.5VOUT) = 20 µF, IO(1.5VOUT) = 0 A

2

30

3.3VIN to 3.3VOUT

CL(3.3VOUT) = 0.1 µF, IO(3.3VOUT) = 0 A

10

150

AUXIN to VAUXOUT

CL(AUXOUT) = 0.1 µF, IO(AUXOUT) = 0 A

10

150

µs

Output fall times

1.5VIN to 1.5VOUT

CL(1.5VOUT) = 0.1 µF, IO(1.5VOUT) = 0 A

10

150

when SHDN

tf

asserted (card is

3.3VIN to 3.3VOUT

CL(3.3VOUT) = 100 µF, RL = VI(3.3VIN)/1 A

0.1

5

present)

AUXIN to VAUXOUT

CL(AUXOUT) = 100 µF RL = VI(AUXIN)/0.250 A

0.1

5

ms

1.5VIN to 1.5VOUT

CL(1.5VOUT) = 100 µF, RL = VI(1.5VIN)/0.500 A

0.1

5

3.3VIN to 3.3VOUT

CL(3.3VOUT) = 0.1 µF, IO(3.3VOUT) = 0 A

0.1

1

AUXIN to VAUXOUT

CL(AUXOUT) = 0.1 µF, IO(AUXOUT) = 0A

0.05

0.5

1.5VIN to 1.5VOUT

CL(1.5VOUT) = 0.1 µF, IO(1.5VOUT) = 0 A

0.1

1

Turn-on propagation

tpd(on)

ms

delay

3.3VIN to 3.3VOUT

CL(3.3VOUT) = 100 µF, RL = VI(3.3VIN)/1 A

0.1

1.5

AUXIN to VAUXOUT

CL(AUXOUT) = 100 µF, RL = VI(AUXIN)/0.250 A

0.05

1

1.5VIN to 1.5VOUT

CL(1.5VOUT) = 100 µF, RL = VI(1.5VIN)/0.500 A

0.1

1.5

5

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