TPS2228

TPS2221

SLVS419A – MAY 2002 REVISED SEPTEMBER 2002

www.ti.com

4

ELECTRICAL CHARACTERISTICS (continued)

TJ = –40°C to 100°C, VI(5VIN) = 5 V, VI(3.3VIN) = 3.3 V, VI(1.8VIN) = 1.8 V, all outputs unloaded (unless otherwise noted)(1)

PARAMETER

UNIT

MAX

TYP

MIN

TEST CONDITIONS

POWER SWITCH (continued)

Forward leakage

I

g

(current measured

All switches are in Hi-Z state

110

µA

(current measured

from output pins

I

All switches are in Hi Z state

xVCC and xVPP/VCORE are grounded

µA

from output pins

to ground)

110

Reverse leakage

I

1

10

Reverse leakage

All switches are in Hi Z state

110

(current measured

I

All switches are in Hi-Z state,

3 3VIN 5VIN and 1 8VIN are grounded

1

10

µA

(current measured

ft

t i

3.3VIN, 5VIN, and 1.8VIN are grounded

V

V

5V

110

µA

from output pins

ii )

I

1

10

going in)

()

()

1

10

(1) Pulse-testing techniques maintain junction temperature close to ambient temperature; thermal effects must be taken into account separately.

(2) Specified by design, not tested in production.

(3) From application of short to 110% of final current limit.

ELECTRICAL CHARACTERISTICS

TJ = –40°C to 100°C, VI(5VIN) = 5 V, VI(3.3VIN) = 3.3 V, VI(1.8VIN) = 1.8 V, all outputs unloaded (unless otherwise noted)(1)

PARAMETER

TEST CONDITIONS(1)

MIN

TYP

MAX

UNIT

LOGIC SECTION (CLOCK, DATA, LATCH, RESET, SHDN, OC, VDO, VD1, VD2, VD3)

I(RESET

RESET = 5.5 V, sinking or sourcing

0

1

I(RESET

RESET = 0 V, sourcing

10

30

I(SHDN)(3) Or

SHDN or SHDN_RST = 5.5 V, sinking or sourcing

0

1

Logic input current

I(SHDN)() Or

I(SHDN_RST)(3)

SHDN or SHDN_RST = 0 V, sourcing

10

30

µA

Logic input current

I(LATCH)(1)

LATCH = 5.5 V, sinking

50

µA

I(LATCH)(1)

LATCH = 0 V, sinking or sourcing

1

I(CLOCK,DATA, VD0, VD1,

VD2, VD3)

0 V to 5.5 V, sinking or sourcing

1

Logic input high level(4)

2

Logic input low level(4)

0.8

V

OC output saturation voltage

IO = 2 mA

0.4

V

OC leakage current

VO(OC) = 5.5 V

1

µA

OC d

lit h(2)

Falling edge

Falling into overcurrent condition

5

15

S

OC deglitch(2)

Rising edge

Coming out of overcurrent condition

5

15

mS

PARAMETER

TEST CONDITIONS(1)

MIN

TYP

MAX

UNIT

UVLO

3.3VIN UVLO

3.3VIN level below which all switches are in Hi-Z state

2.2

2.9

3.3VIN Hysteresis(2)

0.1

V

5VIN UVLO

5VIN level below which only 5VIN switches are in Hi-Z state

2.0

2.6

V

5VIN Hysteresis(2)

80

mV

1.8VIN UVLO

1.8VIN level below which only 1.8VIN switches are in Hi-Z state

1.25

1.62

V

1.8VIN Hysteresis(2)

50

mV

(1) Refer to Parameter Measurement Information, Figure 1.

(2) Specified by design, not tested in production.

(3) RESET and SHDN (or SHDN/RST for TPS2221) have low current pullup; LATCH has low current pulldown.

(4) For recommended operating ranges only.