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TPS2070DAPR 데이터시트(PDF) 11 Page - Texas Instruments

부품명 TPS2070DAPR
상세설명  FOUR-PORT USB HUB POWER CONTROLLERS
PDF  29 Pages
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제조업체  TI [Texas Instruments]
홈페이지  http://www.ti.com
Logo TI - Texas Instruments

TPS2070DAPR 데이터시트(HTML) 11 Page - Texas Instruments

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TPS2070, TPS2071
FOUR-PORT USB HUB POWER CONTROLLERS
SLVS287A – SEPTEMBER 2000 – REVISED FEBRUARY 2001
11
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
IN
OUT
DUT
+
TEST CIRCUIT
Current
Meter
Figure 1. Current Limit Response
toff
tpd(off)
ton
tpd(on)
50%
50%
90%
90%
10%
10%
tr
tf
90%
90%
10%
10%
VI(ENx)
VO(OUTx)
VO(OUTx)
TIMING
Figure 2. Timing and Internal Voltage Regulator
Transition Waveforms
0
2
4
6
8
10
12
14
16
18
20
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)
0
2
4
6
8
10
12
141618
20



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