TPS2071DAPR datasheet(12/29 Pages) TI

12 / 29 page

TPS2070, TPS2071

FOUR-PORT USB HUB POWER CONTROLLERS

SLVS287A – SEPTEMBER 2000 – REVISED FEBRUARY 2001

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

PARAMETER MEASUREMENT INFORMATION

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

TA = 25°C

CL = 10 µF

RL = 10 Ω

t – time – ms

VI(EN)

(2 V/div)

VO(OUT)

(2 V/div)

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

TA = 25°C

CL = 10 µF

RL = 10 Ω

t – time – ms

VI(EN)

(2 V/div)

VO(out)

(2 V/div)

Figure 5. Turnon Delay and Rise Time

(SP Switch)

Figure 6. Turnoff Delay and Fall Time

(SP Switch)

2428

3236

TA = 25°C

CL = 4.7 µF

RL = 33 Ω

t – time – ms

VI(BP)

(2 V/div)

3.3V_OUT)

(1 V/div)

Figure 7. Turnon Delay and Rise Time

(3.3V_OUT)

100 120 140 160 180 200

TA = 25°C

CL = 4.7 µF

RL = 33 Ω

t – time – ms

VI(BP)

(2 V/div)

(3.3V_OUT)

(1 V/div)

Figure 8. Turnoff Delay and Fall Time

(3.3V_OUT)

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