參數(shù)資料
型號(hào): TPS2074DBG4
廠(chǎng)商: TEXAS INSTRUMENTS INC
元件分類(lèi): 電源管理
英文描述: 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO24
封裝: GREEN, PLASTIC, SSOP-24
文件頁(yè)數(shù): 8/27頁(yè)
文件大?。?/td> 585K
代理商: TPS2074DBG4
TPS2074, TPS2075
FOUR-PORT USB HUB POWER CONTROLLERS
SLVS288A – SEPTEMBER 2000 – REVISED FEBRUARY 2001
16
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 28
140
160
180
200
220
240
260
280
300
–40
0
25
85
125
Short-Circuit
Output
Current
mA
SHORT-CIRCUIT OUTPUT CURRENT
vs
JUNCTION TEMPERATURE
(BUS-POWER SWITCHES)
I OS
TJ – Junction Temperature – °C
VI(BP) = 4.25 V
Figure 29
110
130
150
170
190
210
230
250
–40
0
25
85
125
Short-Circuit
Output
Current
mA
SHORT-CIRCUIT OUTPUT CURRENT
vs
JUNCTION TEMPERATURE
(BUS-POWER SWITCHES)
I OS
TJ – Junction Temperature – °C
VI(BP) = 5.5 V
Figure 30
800
820
840
860
880
900
920
940
960
980
1000
–40
0
25
85
125
Short-Circuit
Output
Current
mA
SHORT-CIRCUIT OUTPUT CURRENT
vs
JUNCTION TEMPERATURE
(SELF-POWER SWITCHES)
I OS
TJ – Junction Temperature – °C
VI(SP) = 5 V
Figure 31
4.1
3.9
3.85
3.75
–50
0
50
Input
V
oltage
(BP
Undervoltage
Lockout)
V
4.15
4.2
INPUT VOLTAGE (BP UNDERVOLTAGE LOCKOUT)
vs
JUNCTION TEMPERATURE
4.25
100
150
4.05
4
3.95
3.8
V
I(BP)
TJ – Junction Temperature – °C
Start Threshold
Stop Threshold
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