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TPS2158IDGN Fiches technique(PDF) 5 Page - Texas Instruments

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No de pièce TPS2158IDGN
Description  3.3-V LDO AND DUAL SWITCH FOR USB PERIPHERAL POWER MANAGEMENT
Download  19 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

TPS2158IDGN Fiches technique(HTML) 5 Page - Texas Instruments

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TPS2148
TPS2158
SLVS373 – AUGUST 2001
5
www.ti.com
electrical characteristics over recommended operating junction-temperature range,
2.9 V
≤ VI(VIN/SWIN1) ≤ 5.5 V, VI(ENx) = 0 V, VI(LDO_EN) = 5 V, CL(LDO_OUT) = 10 µF,
TJ = –40°C to 100°C (unless otherwise noted)
3.3 V LDO
PARAMETER
TEST CONDITIONS†
MIN
TYP
MAX
UNIT
VO
Output voltage, dc
VI(VIN/SWIN1) = 4.25 V to 5.25 V,
IO(LDO_OUT) = 0.5 mA to 200 mA
3.20
3.3
3.40
V
Dropout voltage
VI(VIN/SWIN1) = 3.2 V, IO = 200 mA, IO(OUT) = 150
mA
0.35
V
Line regulation voltage (see Note 1)
VI(VIN/SWIN1) = 4.25 V to 5.25 V, IO(LDO_OUT) = 5
mA
0.1
%/V
Load regulation voltage (see Note 1)
VI(VIN/SWIN1) = 4.25 V, IO(LDO_OUT) = 5 mA to 200
mA
0.4
1%
IOS
Short-circuit current limit
VI(VIN/SWIN1) = 4.25 V, LDO_OUT connected to
GND
0.275
0.33
0.55
A
Ilkg(R)
Reverse leakage current into
VO(LDO_OUT) = 3.3 V, VI(VIN/SWIN1) = 0 V,
VI(LDO_EN) = 0 V
10
µA
Ilkg(R)
g
LDO_OUT
VO(LDO_OUT) = 5.5 V, VI(VIN/SWIN1) = 2.7 V,
VI(LDO_EN) = 0 V
10
µA
Power supply rejection
f = 1 kHz, CL(LDO_OUT) = 4.7 µF, ESR = 0.25 Ω, IO =
5 mA, VI(VIN/SWIN1)p–p = 100 mV
50
dB
ton
Turnoff time, LDO_EN
transitioning low (see Note 1)
RL = 16 Ω, CL(LDO_OUT) = 10 µF
0.25
1
ms
toff
Turnon time, LDO_EN
transitioning high (see Note 1)
RL = 16 Ω, CL(LDO_OUT) = 10 µF
0.1
1
ms
Ramp-up time, LDO_OUT (0% to 90%)
VI(LDO_EN) = 5 V, VIN ramping up from 10% to 90%
in 0.1 ms, RL = 16 Ω, CL(LDO_OUT) = 10 µF
0.1
1
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.


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