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TPS650242RHBR Datasheet(PDF) 3 Page - Texas Instruments

Part # TPS650242RHBR
Description  Power Management ICs for Li-Ion Powered Systems
Download  33 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS650242RHBR Datasheet(HTML) 3 Page - Texas Instruments

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RECOMMENDED OPERATING CONDITIONS
TPS650240
,, TPS650241
TPS650242, TPS650243
TPS650244, TPS650245
SLVS774A – JUNE 2007 – REVISED DECEMBER 2007
MIN
NOM
MAX
UNIT
VINDCDC1,
2.5
6.0
V
VINDCDC2,
Input voltage range step-down converters
VINDCDC3, VCC
VDCDC1
Output voltage range for VDCDC1 step-down converter(1)
0.6
VINDCDC1
V
VDCDC2
Output voltage range for mem step-down converter(1)
0.6
VINDCDC2
V
VDCDC3
Output voltage range for core step-down converter
0.9
1.5
V
VINLDO1, VINLDO2
Input voltage range for LDOs
1.5
6.5
V
VLDO1-2
Output voltage range for LDOs
1.0
VINLDO1-2
V
IOUTDCDC1
Output current at L1
1600
mA
L1
Inductor at L1(2)
1.5
2.2
µH
CINDCDC1
Input capacitor at VINDCDC1
(2)
10
µF
COUTDCDC1
Output capacitor at VDCDC1
(2)
10
22
µF
IOUTDCDC2
Output current at L2
1600
mA
L2
Inductor at L2(2)
1.5
2.2
µH
CINDCDC2
Input capacitor at VINDCDC2
(2)
10
µF
COUTDCDC2
Output capacitor at VDCDC2
(2)
10
22
µF
IOUTDCDC3
Output current at L3
800
mA
L3
Inductor at L3(2)
1.5
2.2
µH
CINDCDC3
Input capacitor at VINDCDC3
(2)
10
µF
COUTDCDC3
Output capacitor at VDCDC3
(2)
10
22
µF
CVCC
Input capacitor at VCC(2)
1
µF
Cin1-2
Input capacitor at VINLDO(2)
1
µF
COUT1-2
Output capacitor at VLDO1, VLDO2(2)
2.2
µF
ILDO1,2
Output current at VLDO1, VLDO2
200
mA
CVRTC
Output capacitor at Vdd_alive(2)
2.2
µF
IVdd_alive
Output current at Vdd_alive
30
mA
TA
Operating ambient temperature
–40
85
°C
TJ
Operating junction temperature
–40
125
°C
RCC
Resistor from VINDCDC3,VINDCDC2, VINDCDC1 to Vcc used for filtering(3)
1
10
(1)
When using an external resistor divider at DEFDCDC2, DEFDCDC1.
(2)
See applications section for more information, for Vout > 2.85V choose 3.3
µH inductor.
(3)
Up to 2.5mA can flow into Vcc when all 3 converters are running in PWM, this resistor will cause the UVLO threshold to be shifted
accordingly.
Copyright © 2007, Texas Instruments Incorporated
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Product Folder Link(s): TPS650240 TPS650241 TPS650242 TPS650243 TPS650244 TPS650245


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