參數(shù)資料
型號(hào): TPS2070DAPR
廠商: Texas Instruments, Inc.
英文描述: FOUR-PORT USB HUB POWER CONTROLLERS
中文描述: 4端口USB集線器電源控制器
文件頁(yè)數(shù): 13/29頁(yè)
文件大?。?/td> 472K
代理商: TPS2070DAPR
TPS2070, TPS2071
FOUR-PORT USB HUB POWER CONTROLLERS
SLVS287A
SEPTEMBER 2000
REVISED FEBRUARY 2001
13
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
0
400
800
12001600200024002800320036004000
t
time
ms
VI(BP) = 5 V
TA = 25
°
C
CL(PG_DLY) = 0.47
μ
F
VO
(3.3V_OUT)
(2 V/div)
VO
(PG_DLY)
(2 V/div)
Figure 9. PG_DLY Rise Time With a 0.47-
μ
F Capacitor
0
100 200 300 400 500 600 700 800 900 1000
t
time
ms
VI(BP) = 5 V
TA = 25
°
C
CL(PG_DLY) = 0.47
μ
F
VO
(3.3V_OUT)
(2 V/div)
VO(PG)
(2 V/div)
Figure 10. Turnon Delay (3.3V_OUT to PG)
0
1
2
3
4
t
time
ms
5
6
7
8
9
10
VI(BP) = 5 V
TA = 25
°
C
CL(PG_DLY) = 0.47
μ
F
VO
(3.3V_OUT)
(2 V/div)
VO(PG)
(2 V/div)
Figure 11. Turnoff Time (3.3V_OUT to PG)
0
1
2
3
4
t
time
ms
5
6
7
8
9
10
VI(BP) = 5 V
TA = 25
°
C
VI(EN)
(2 V/div)
IO(OUT)
(0.1A/div)
Figure 12. Short-Circuit Current (BP Switch),
Device Enabled Into Short
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