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參數(shù)資料
| 型號： | TPS2074DBR |
| 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 |
| 文件頁數(shù)： | 5/25頁 |
| 文件大?。?/td> | 416K |
| 代理商： | TPS2074DBR |
TPS2074, TPS2075
FOUR-PORT USB HUB POWER CONTROLLERS
SLVS288A
–
SEPTEMBER 2000
–
REVISED FEBRUARY 2001
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
detailed description (continued)
OC1, OC2, OC3, OC4
OCx is an output signal that is asserted (active low) when an overcurrent or overtemperature condition is
encountered for the corresponding channel. OCx will remain asserted until the overcurrent or overtemperature
condition is removed.
EN1, EN2, EN3, EN4,
The active-low logic input ENx enables or disables the power switches in the device. The enable input is
compatible with both TTL and CMOS logic levels. The switches will not turn on until 3.3V_OUT is above the PG
threshold.
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Input voltage range: V
I(BP)
, V
I(SP)
, V
I(ENx)
, V
I(BP_DIS)
Output voltage range: V
O(OUTx)
V
O(3.3V_OUT)
, V
O(PG_DLY)
, V
O(OCx)
, V
O(BPMODE)
,
V
O(DP0_RST)
, V
O(PG)
Continuous output current: I
O(OUTx)
, I
O(3.3V_OUT)
Maximum output current:
I
O(BPMODE)
or I
O(BPMODE)
, I
O(DP0_RST)
, I
O(PG)
, I
O(OCx)
Continuous total power dissipation
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating virtual junction temperature range, T
J
Storage temperature range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead temperature soldering 1,6 mm (1/16 inch) from case for 10 seconds
–
0.3 V to 6 V
–
0.3 V to 6 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–
0.3 V to V
O
(3.3V_OUT)
0.3 V
internally limited
. . . . . . . . . .
See Dissipation Rating Table
–
40
°
C to 125
°
C
–
65
°
C to 150
°
C
. . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
±
10 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
260
°
C
Stresses beyond those listed under
“
absolute maximum ratings
”
may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under
“
recommended operating conditions
”
is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
All voltages are with respect to GND.
DISSIPATION RATING TABLE
PACKAGE
TA
≤
25
°
C
POWER RATING
DERATING FACTOR
ABOVE TA = 25
°
C
8.9 mW/
°
C
TA = 70
°
C
POWER RATING
TA = 85
°
C
POWER RATING
24 DB
889.7 mW
489.3 mW
355.9 mW
recommended operating conditions
MIN
4.5
MAX
5.5
UNIT
VI(BP)
VI(SP)
VI(BP_DIS)
VI(ENx)
BP to OUTx (per switch)
SP to OUTx (per switch)
Input voltage
0
5.5
V
0
5.5
0
5.5
100
500
Continuous output current, IO
mA
BP to 3.3V_OUT
100
Operating virtual junction temperature, TJ
-40
125
°
C
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