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): 6/27頁
文件大?。?/td> 585K
代理商: TPS2074DBG4
TPS2074, TPS2075
FOUR-PORT USB HUB POWER CONTROLLERS
SLVS288A – SEPTEMBER 2000 – REVISED FEBRUARY 2001
14
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
Figure 21. Load Transient Response
0
100 200 300 400 500 600 700 800 900
t – Time –
s
1000
TA = 25°C
CL (3.3 V_OUT) = 10 F
IO(3.3 V_OUT)
(100 mA/div)
VO
(3.3 V_OUT)
(100 mV/div)
TYPICAL CHARACTERISTICS
Figure 22
180
182
184
186
188
190
192
194
196
–60 –40 –20
0
20
40
60
80
100 120 140
Supply
Current
BP SUPPLY CURRENT
vs
JUNCTION TEMPERATURE
Output Disabled
Output Enabled
TJ – Junction Temperature – °C
I I(BP)
A
VI(BP) = 5 V
Figure 23
190
180
175
165
4.25
4.5
4.75
5
195
200
BP SUPPLY CURRENT
vs
INPUT VOLTAGE
205
5.25
5.5
Supply
Current
Output Disabled
Output Enabled
I I(BP)
A
185
170
VI(BP) – Input Voltage – V
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