參數(shù)資料
型號(hào)： 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(yè)數(shù)： 6/25頁(yè)
文件大?。?/td> 416K
代理商： TPS2074DBR
TPS2074, TPS2075
FOUR-PORT USB HUB POWER CONTROLLERS
SLVS288A
–
SEPTEMBER 2000
–
REVISED FEBRUARY 2001
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating junction temperature range,
4.5 V
≤
V
I(BP)
≤
5.5 V, 4.85 V
≤
V
I(SP)
≤
5.5 V, ENx = 0 V, BP_DIS = 0 V (unless otherwise noted)
input current
PARAMETER
TEST CONDITIONS
MIN
TYP
185
MAX
240
UNIT
N l
No load on OUTx and 3.3V_OUT,
ENx = VI(BP)
d 3 3V OUT
VI(SP) = Hi-Z
VI(SP) = 0 V
VI(SP) = 5 V
VI(SP) = Hi-Z
VI(SP) = 0 V
VI(SP) = 5 V
VI(BP) = Hi-Z
VI(BP) = 0 V
VI(BP) = 5 V
VI(BP) = Hi-Z
VI(BP) = 0 V
VI(BP) = 5 V
Input current at BP, switches disabled
185
240
μ
A
II(BP)
175
210
N l
No load on OUTx and 3.3V_OUT,
ENx = 0 V
d 3 3V OUT
185
240
Input current at BP, switches enabled
185
240
μ
A
175
210
N l
No load on OUTx and 3.3V_OUT,
ENx = VI(SP)
d 3 3V OUT
90
115
Input current at SP, switches disabled
90
115
μ
A
II(SP)
115
140
N l
No load on OUTx and 3.3V_OUT,
ENx = 0 V
d 3 3V OUT
90
115
Input current at SP, switches enabled
90
115
115
140
μ
A
Pulse-testing techniques maintain junction temperature close to ambient temperature; thermal effects must be taken into account separately.
power switches
PARAMETER
TEST CONDITIONS
MIN
TYP
100
MAX
UNIT
Static
drain-source
on-state
i t
resistance
SP to
OUTx
VI(SP)= VI(BP)= 5 V IO = 0 5 A
VI(SP) = VI(BP) = 5 V, IOx = 0.5 A
TA = 25
°
C
TA = 70
°
C
TA = 25
°
C
TA = 70
°
C
rDS(on)
110
150
m
BP to
OUTx
VI(BP)= 4 5 V
VI(BP) = 4.5 V,
VI(SP)= Open IO = 0 1 A
VI(SP) = Open, IOx = 0.1 A
500
600
900
ENx = VI(BP) = 5.5 V, VI(SP) = Hi-Z,
OUTx connected to ground, VI(VIN) = Hi-Z
ENx = VI(BP) = VI(SP) = 5.5 V,
OUTx connected to ground
TJ = 25
°
C
0.5
10
Ilk (OUT )
Ilkg(OUTx)
Leakage current at
OUTx (no load on
3.3V_OUT)
TJ = 25
°
C
0.5
10
μ
A
ENx = VI(BP) = Hi-Z or 0 V,
VI(SP)= VI(OUTx) = 5.5 V
ENx = VI(BP) = VI(SP) = Hi-Z or 0 V,
VI(OUTx) = 5.5 V
VI(BP) = VI(SP) = 5 V, OUTx connected to GND,
Device enabled into short circuit
TJ = 25
°
C
0.5
10
TJ = 25
°
C
0.5
10
Short circuit current
Short-circuit current
(per output)
0.6
0.9
1.2
VI(BP) = 5 V, VI(SP) = open,
OUTx connected to GND, device enabled into short
circuit
0.12
0.2
0.3
A
Pulse-testing techniques maintain junction temperature close to ambient temperature; thermal effects must be taken into account separately.
NOTE: All BP to OUTx , SP to OUTx switches and the internal 3.3-V voltage regulator are loaded to the recommended continuous current rating
of 100 mA, 500 mA and 100 mA, respectively, for the static drain-source on-state resistance measurements.
input signals (ENx, BP_DIS)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIH
VIL
High-level input voltage
2
V
Low-level input voltage
0.8
II
Input current
Pullup
ENx (active low)
VI(ENx) = 0 V
VI(BP_DIS) = 5 V
5
μ
A
Pulldown
BP_DIS (active high)
5
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