TPS2070DAPR datasheet(11/29 Pages) TI

部件名	TPS2070DAPR

功能描述	FOUR-PORT USB HUB POWER CONTROLLERS

PDF	29 Pages

Scroll/Zoom	100%

制造商	TI [Texas Instruments]

网页	http://www.ti.com

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11 / 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

OUT

DUT

TEST CIRCUIT

Current

Meter

Figure 1. Current Limit Response

toff

tpd(off)

ton

tpd(on)

50%

90%

10%

90%

10%

VI(ENx)

VO(OUTx)

TIMING

Figure 2. Timing and Internal Voltage Regulator

Transition Waveforms

VI(BP) = 5 V

TA = 25°C

CL = 10 µF

RL = 50 Ω

t – time – ms

VI(EN)

(2 V/div)

VO(out)

(2 V/div)

VI(BP) = 5V

TA = 25°C

CL = 10 µF

RL = 50 Ω

t – time – ms

VI(EN)

(2 V/div)

VO(OUT)

(2 V/div)

Figure 3. Turnon Delay and Rise Time

(BP Switch)

Figure 4. Turnoff Delay and Fall Time

(BP Switch)

141618

TPS2070DAPR 数据表(PDF) 11 Page - Texas Instruments

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