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TPS2140 Datasheet(PDF) 11 Page - Texas Instruments

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Part # TPS2140
Description  ADJUSTABLE LDO AND SWITCH WITH DUAL CURRENT LIMIT FOR USB
Download  33 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS2140 Datasheet(HTML) 11 Page - Texas Instruments

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TPS2140, TPS2141
TPS2150, TPS2151
SLVS399A − JANUARY 2002 − REVISED MAY 2006
11
www.ti.com
PARAMETER MEASUREMENT INFORMATION
CL
IO
VO(SW_OUT)
LOAD CIRCUIT
CL
IO
VO(LDO_OUT)
LOAD CIRCUIT
50%
50%
50%
50%
90%
10%
90%
10%
90%
10%
90%
10%
10%
90%
10%
90%
SW_EN
VO(SW_OUT)
LDO_EN
VO(LDO_OUT)
tpd(off)
tpd(off)
tpd(on)
tpd(on)
tr
tf
tr
tf
toff
ton
toff
ton
VO(SW_OUT)
VO(LDO_OUT)
Propagation Delay (SW_OUT)
Propagation Delay (LDO_OUT)
Rise/Fall Time (SW_OUT)
Rise/Fall Time (LDO_OUT)
Turn On/Off Time (SW_OUT)
Turn On/Off Time (LDO_OUT)
SW_EN
VO(SW_OUT)
LDO_EN
VO(LDO_OUT)
VDD
GND
VI(SW_IN)
GND
VDD
GND
V(SET)
GND
VI(SW_IN)
GND
V(SET)
GND
VDD
GND
VI(SW_IN)
GND
VDD
GND
V(SET)
GND
VOLTAGE WAVEFORMS
50%
50%
50%
50%
Figure 1. Test Circuits and Voltage Waveforms
A
IN
OUT
DUT
+
Current
Meter
Figure 2. Current Limit Test Circuit


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