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TPS2070DAP Fiches technique(PDF) 10 Page - Texas Instruments

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No de pièce TPS2070DAP
Description  FOUR-PORT USB HUB POWER CONTROLLERS
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

TPS2070DAP Fiches technique(HTML) 10 Page - Texas Instruments

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TPS2070, TPS2071
FOUR-PORT USB HUB POWER CONTROLLERS
SLVS287A – SEPTEMBER 2000 – REVISED FEBRUARY 2001
10
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, 6 V ≤ VI(VEXT) ≤ 9 V, ENx = 0 V, EN_REG = 3.3 V,
BP_DIS = 0 V, CL(SP) = 220 µF (unless otherwise noted)
voltage regulator controller
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VO(CP)
Output voltage, charge pump
VI(VEXT) = 6 V,
IO(VCP) = 5 mA
C(CP_P) = 10 nF, C(VCP)=100 nF
10
V
fosc
Oscillator frequency (see Note 1)
6 V
≤ VI(VEXT) ≤ 9 V, IO(VCP) = 5 mA,
VO(VCP)= 10 V
850
kHz
Gate drive current
Sourcing
VI(VCP) = 9 V, VO(GATE) = 7.5 V,
VI(SP) = 4.5 V
500
µA
Gate drive current
Sinking
VI(VCP) = 9 V, VO(GATE) = 5.5 V,
VI(SP) = 5.5 V
1.5
mA
Open-loop gain (see Note 1)
VI(VEXT) = 6 V, 0.5 V ≤ VO(GATE) ≤ 9 V
80
dB
Reference voltage at VI(SP), using external
regulator
VI(VEXT) = 6 V to 9 V, IRLZ24N FET
4.90
5.1
5.25
V
Gate clamp voltage
Gate to SP
10
V
NOTE 1: Specified by design, not tested in production.
power switch timing requirements
PARAMETER
TEST CONDITIONS†
MIN
TYP
MAX
UNIT
t
Turnon time (see Note 1)
BP to OUTx
switch
VI(BP) = 5 V, VI(SP) = open, TA = 25°C,
CL = 100 µF, RL = 50 Ω
4.5
ms
ton
Turnon time (see Note 1)
SP to OUTx
switch
VI(SP) = VI(BP) = 5 V, TA = 25°C,
CL = 100 µF, RL = 10 Ω
4.5
ms
t ff
Turnoff time (see Note 1)
BP to OUTx
switch
VI(BP) = 5 V, VI(SP) = open, TA = 25°C,
CL = 100 µF, RL = 50 Ω
15
ms
toff
Turnoff time (see Note 1)
SP to OUTx
switch
VI(SP) = VI(BP) = 5 V, TA = 25°C,
CL = 100 µF, RL = 10 Ω
10
ms
t
Rise time output (see Note 1)
BP to OUTx
switch
VI(BP) = 5 V, VI(SP) = open, TA = 25°C,
CL = 100 µF, RL = 50 Ω
4
ms
tr
Rise time, output (see Note 1)
SP to OUTx
switch
VI(SP) = VI(BP) = 5 V, TA = 25°C,
CL = 100 µF, RL = 10 Ω
3
ms
tf
Fall time output (see Note 1)
BP to OUTx
switch
VI(BP) = 5 V, VI(SP) = open, TA = 25°C,
CL = 100 µF, RL = 50 Ω
10
ms
tf
Fall time, output (see Note 1)
SP to OUTx
switch
VI(SP) = VI(BP) = 5 V, TA = 25°C,
CL = 100 µF, RL = 10 Ω
3
ms
† Pulse-testing techniques maintain junction temperature close to ambient temperature; thermal effects must be taken into account separately.
NOTE 1. Specified by design, not tested in production.
thermal shutdown
PARAMETER
MIN
TYP
MAX
UNIT
TJ
Thermal shutdown
First
140
°C
TJ
Thermal shutdown
Second
150
°C
Hysteresis
First
15
°C
Hysteresis
Second
25
°C


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