TPS2340A

SLUS528A – MARCH 2002 – REVISED AUGUST 2002

4

www.ti.com

electrical characteristics over recommended operating temperature range, P12VINA = P12VINB =

12 V, V5IN = 5 V, DIGVCC = 3.3 V, M12VINA = M12VINB = –12 V, 3VAUXI = 3.3 V, all outputs unloaded,

noise filter

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Ignored spike from overcurrent

250

ns

Latched spike from overcurrent

500

ns

3.3 V AUX and PME

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

3VAUXx overcurrent shutdown

0.95

1.15

1.40

A

3VAUXI to 3VAUXx on-resistance

I3VAUXx = –500 mA

300

425

m

Ω

3VAUXI undervoltage lockout

1.9

2.2

2.9

V

3VAUXx turn-on slew rate

1.6

3.3

V/ms

3VAUXx turn-on time from SWx

from SWx < 0.8 V,

C3VAUXx = 150 µF

3

5

ms

3VAUXx turn-off time from SWx

from SWx > 2.0 V

2.5

7.0

ms

3VAUXx turn-off time from Faultx

from 3VAUXx overcurrent fault detected

5

10

µs

PMEx turn-on time from 3VAUXx

from 3VAUXx > 3.0 V,

C3VAUXx = 150 µF

6

10

17

ms

PMEx turn-off time from SWx

from SWx > 2.0 V,

2

4

µs

PMEx turn-off time from Faultx

from 3VAUXx overcurrent fault detected

2

4

µs

PMEx switch on-resistance

from SWx < 0.8 V,

ID = 10 mA

TA = TJ = 25°C

5

10

Ω

ac switching characteristics

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

fMAX operating clock frequency

0

≤ TA ≤ 70°C

0

10

MHz

SIDO tCO clock to output time

CL = 50 pF,

0

≤ TA ≤ 70°C

0

15

SIDI, SIL tSU setup to clock time

0

≤ TA ≤ 70°C

15

SODI, tSU setup to clock time

0

≤ TA ≤ 70°C

15

SODI, tH hold time

0

≤ TA ≤ 70°C

0

15

All outputs tCO clock to output time

BUSENx, SIDO: CL = 50 pF,

RESETx: CL = 35 pF,

All other outputs: CL = 25 pF,

0

≤ TA ≤ 70°C,

20

ns

Recommended input rise and fall times

10% to 90% of VCC, all digital inputs except

SWx, BUTTONx, PGOOD, PRSNT1x, and

PRSNT2x

0.2

1