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参数资料
| 型号： | TPS2074 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO24 |
| 封装： | PLASTIC, SSOP-24 |
| 文件页数： | 21/24页 |
| 文件大小： | 389K |
| 代理商： | TPS2074 |
TPS2074, TPS2075
FOUR-PORT USB HUB POWER CONTROLLERS
SLVS288 – SEPTEMBER 2000
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating junction temperature range,
4.5 V
≤ VI(BP) ≤ 5.5 V, 4.85 V ≤ VI(SP) ≤ 5.5 V, ENx = 0 V, BP_DIS = 0 V (unless otherwise noted)
input current
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
I
t
t t BP
it h
N l
d
OUT
d 3 3V OUT
VI(SP) = Hi-Z
185
240
Input current at BP, switches
disabled
No load on OUTx and 3.3V_OUT,
ENx=VI(BP)
VI(SP) = 0 V
185
240
A
II(BP)
disabled
ENx = VI(BP)
VI(SP) = 5 V
175
210
II(BP)
I
t
t t BP
it h
N l
d
OUT
d 3 3V OUT
VI(SP) = Hi-Z
185
240
Input current at BP, switches
enabled
No load on OUTx and 3.3V_OUT,
ENx=0V
VI(SP) = 0 V
185
240
A
enabled
ENx = 0 V
VI(SP) = 5 V
175
210
I
t
t t SP
it h
N l
d
OUT
d 3 3V OUT
VI(BP) = Hi-Z
90
115
Input current at SP, switches
disabled
No load on OUTx and 3.3V_OUT,
ENx=VI(SP)
VI(BP) = 0 V
90
115
A
II(SP)
disabled
ENx = VI(SP)
VI(BP) = 5 V
115
140
II(SP)
I
t
t t SP
it h
N l
d
OUT
d 3 3V OUT
VI(BP) = Hi-Z
90
115
Input current at SP, switches
enabled
No load on OUTx and 3.3V_OUT,
ENx=0V
VI(BP) = 0 V
90
115
A
enabled
ENx = 0V
VI(BP) = 5 V
115
140
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
MAX
UNIT
Static
SP to
VI(SP) =VI(BP) =5V IO =0 5A
TA = 25°C
100
rDS( )
Static
drain-source
OUTx
VI(SP) = VI(BP) = 5 V, IOx = 0.5 A
TA = 70°C
110
150
m
rDS(on)
on-state
it
BP to
VI(BP) =4 5V
VI(SP) =Open IO =0 1A
TA = 25°C
500
m
resistance
OUTx
VI(BP) = 4.5 V,
VI(SP) = Open, IOx = 0.1 A
TA = 70°C
600
900
ENx = VI(BP) = 5.5 V, VI(SP) = Hi-Z,
OUTx connected to ground,
VI(VIN) = Hi-Z
TJ = 25°C
0.5
10
Ilk (OUT )
Leakage current at
OUTx (no load on
ENx = VI(BP) = VI(SP) = 5.5 V,
OUTx connected to ground
TJ = 25°C
0.5
10
A
Ilkg(OUTx) OUTx (no load on
3.3V_OUT)
ENx = VI(BP) = Hi-Z or 0 V,
VI(SP)= VI(OUTx) = 5.5 V
TJ = 25°C
0.5
10
A
ENx = VI(BP) = VI(SP) = Hi-Z or 0 V,
VI(OUTx) = 5.5 V
TJ = 25°C
0.5
10
Short circuit current
VI(BP) = VI(SP) = 5 V,
OUTx connected to GND,
Device enabled into short circuit
0.6
0.9
1.2
Short-circuit current
(per output)
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
High-level input voltage
2
V
VIL
Low-level input voltage
0.8
V
II
Input current
Pullup
ENx (active low)
VI(ENx) = 0 V
5
A
II
Input current
Pulldown
BP_DIS (active high)
VI(BP_DIS) = 5 V
5
A
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