TPS2070, TPS2071

FOUR-PORT USB HUB POWER CONTROLLERS

SLVS287A – SEPTEMBER 2000 – REVISED FEBRUARY 2001

7

POST OFFICE BOX 655303

electrical characteristics over recommended operating junction temperature range,

4.5 V

BP_DIS = 0 V (unless otherwise noted) (continued)

power switches

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Static

SP to

VI(SP) =VI(BP) =5V IO =0 5A

TA = 25°C

107

rDS( )

Static

drain-source

OUTx

VI(SP) = VI(BP) = 5 V, IOx = 0.5 A

TA = 70°C

125

160

m

Ω

rDS(on)

on-state

it

BP to

VI(BP) =4 5V

VI(SP) =Open IO =0 1A

TA = 25°C

560

m

Ω

resistance

OUTx

VI(BP) = 4.5 V,

VI(SP) = Open, IOx = 0.1 A

TA = 70°C

630

900

ENx = VI(BP) = 5.5 V, VI(SP) = Hi-Z,

OUTx connected to ground,

VI(VIN) = Hi-Z

TJ = 25°C

0.5

10

Lk

t t

ENx = VI(BP) = VI(SP) = 5.5 V,

OUTx connected to ground, VI(EXT) = Hi-Z

TJ = 25°C

0.5

10

Ilkg(OUTx)

Leakage current at

OUTx (no load on

3 3V OUT)

ENx = VI(BP) = Hi-Z or 0 V,

VI(VEXT) = VI(SP)= VI(OUTx) = 5.5 V

TJ = 25°C

0.5

10

µA

3.3V_OUT)

ENx = VI(BP) = VI(SP) = Hi-Z or 0 V,

VI(VEXT) = VI(OUTx) = 5.5 V

TJ = 25°C

0.5

10

ENx = VI(BP) = VI(SP) = VI(VEXT) = Hi–Z or 0 V,

VI(OUTx) = 5.5 V

TJ = 25°C

0.5

10

Short circuit current

VI(BP) = VI(SP) = 5 V,

OUTx connected to GND,

Device enabled into short circuit

0.6

0.9

1.2

Short-circuit current

(per output)†

VI(BP) = 5 V, VI(SP) = open,

OUTx connected to GND, device enabled into short

circuit

0.12

0.2

0.3

A

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

input signals (ENx, EN_REG, BP_DIS)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VIH

High-level input voltage

2

V

VIL

Low-level input voltage

0.8

V

Pullup

ENx (active low)

VI(ENx) = 0 V

5

II

Input current

Pulldown

EN_REG (active high)

VI(EN_REG) = 5 V

5

µA

Pulldown

BP_DIS (active high)

VI(BP_DIS) = 5 V

5