參數(shù)資料
型號: TPS2074DBG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 電源管理
英文描述: 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO24
封裝: GREEN, PLASTIC, SSOP-24
文件頁數(shù): 4/27頁
文件大?。?/td> 585K
代理商: TPS2074DBG4
TPS2074, TPS2075
FOUR-PORT USB HUB POWER CONTROLLERS
SLVS288A – SEPTEMBER 2000 – REVISED FEBRUARY 2001
12
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
012
3
4
5
67
89
10
VI(BP) = VI(SP) = 5 V
TA = 25°C
t – time – ms
VI(EN)
(2 V/div)
IO(OUT)
(0.5 A/div)
Figure 13. Short-Circuit Current (SP Switch),
Device Enabled Into Short
01
2
3
4
5
67
89
10
VI(BP) = VI(SP) = 5 V
TA = 25°C
t – time – ms
VO(OC)
(2 V/div)
IO(OUT)
(0.5 A/div)
Figure 14. OC Response (SP Switch),
Device Enabled Into Short
01
2
3
4
5
67
8
9
10
VI(BP) = 5 V
TA = 25°C
t – time – ms
VO(OC)
(2 V/div)
IO(OUT)
(0.1 A/div)
Figure 15. OC Response (BP Switch),
Device Enabled Into Short
VI(BP) = 5 V
TA = 25°C
BP_DIS = 0 V or Open
CL(3.3 V_OUT) = 4.7 F
RL(3.3 V_OUT) = 33
CL(PG_DLY) = 0.47 F
t – time – ms
VO(PG)
(2 V/div)
VO
(3.3V_OUT)
(1 V/div)
Figure 16. SP to BP Automatic
Switchover Enabled
0
2
4
6
8
10
12
14
16
18
20
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