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TPS2145IPWP Datasheet(PDF) 3 Page - Texas Instruments

No. de pieza TPS2145IPWP
Descripción Electrónicos  3.3-V LDO AND DUAL SWITCH FOR USB BUS-POWERED HUB POWER MANAGEMENT
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Fabricante Electrónico  TI [Texas Instruments]
Página de inicio  http://www.ti.com
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TPS2145IPWP Datasheet(HTML) 3 Page - Texas Instruments

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TPS2149
TPS2159
SLVS401 – AUGUST 2001
3
www.ti.com
recommended operating conditions
MIN
MAX
UNIT
Input voltage
VI(VIN)
2.9
5.5
V
Input voltage
VI(ENx)
0
5.5
V
Continuous output current IO
LDO_OUT
200
mA
Continuous output current, IO
OUT1, OUT2
150
mA
Output current limit IO(LMT)
LDO_OUT
250
450
mA
Output current limit, IO(LMT)
OUT1, OUT2
200
400
mA
Operating virtual-junction temperature range, TJ
–40
100
°C
electrical characteristics over recommended operating junction-temperature range,
2.9 V
≤ VI(VIN) ≤ 5.5 V, TJ = –40°C to 100°C (unless otherwise noted)
general
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Off-state supply current
VI(ENx) = 5 V (inactive),
VO(LDO_OUT) = no load,
VO(OUTx) = no load
100
µA
Forward leakage current (power
switches only)
VI(VIN) = 5 V
VI(ENx) = 5 V (inactive),
VO(LDO_OUT) = no load,
VO(OUTx) = 0 V
(measured from outputs to
ground)
1
µA
II
Total input current at VIN
VI(VIN) = 5 V,
No load on OUTx
ENx = on (active)
150
µA
II
Total input current at VIN
No load on OUTx,
No load on LDO_OUT
ENx = off (inactive)
100
µA
power switches
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
rDS( )
Static drain-source
on state resistance
IO(LDO_OUT) = 200 mA,
IOUT1 and IOUT2 = 150 mA, TJ = –40°C to 100°C
680
m
rDS(on) on-state resistance,
VIN to OUTx
IO(LDO_OUT) = 200 mA,
IOUT1 and IOUT2 = 150 mA, TJ = 25°C
340
m
VI(ENx) = 5 V, VI(ENx) = 0 V,
VI(VIN) = 5 V
10
Ilkg(R)
Reverse leakage current at OUTx
VO(OUTx) = 5 V
VI(ENx) = 5 V, VI(ENx) = 0 V,
VI(VIN) = 2.9 V
10
µA
VI(ENx) = 5 V, VI(ENx) = 0 V,
VI(VIN) = 0 V
10
IOS
Short circuit output current
OUTx connected to GND, device enabled into short
circuit
0.2
0.4
A
Delay time for asserting OC flag
From IOUTx at 95% of current limit level to 50% OC.
5.5
ms
Delay time for deasserting OC flag
From IOUTx at 95% of current limit level to 50% OC.
10.5
ms
NOTE 1: Specified by design, not tested in production.


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