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TPS650250RHBT Datasheet(PDF) 3 Page - Texas Instruments

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Part # TPS650250RHBT
Description  Power Management IC for Li-Ion Powered Systems
Download  35 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS650250RHBT Datasheet(HTML) 3 Page - Texas Instruments

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RECOMMENDED OPERATING CONDITIONS
TPS650250
www.ti.com ........................................................................................................................................................................................... SLVS843 – DECEMBER 2008
MIN
NOM
MAX
UNIT
VCC
Input voltage range step-down converters, VINDCDC1, VINDCDC2, VINDCDC3
2.5
6.0
V
Output voltage range for step-down converter, VDCDC1 (1)
0.6
VINDCDC1
V
VO
Output voltage range for mem step-down converter, VDCDC2(1)
0.6
VINDCDC2
V
Output voltage range for core step-down converter, VDCDC3
0.6
VINDCDC3
V
VI
Input voltage range for LDOs, VINLDO1, VINLDO2
1.5
6.5
V
VO
Output voltage range for LDOs
1
3.3
V
IO
Output current at L, V1DCDC1
1600
mA
L1
Inductor at L1(2)
1.5
2.2
µH
CI
Input capacitor at VINDCDC1(2)
10
µF
CO
Output capacitor at VDCDC1(2)
10
22
µF
IO
Output current at L2, VDCDC2
800
mA
L2
Inductor at L2(2)
1.5
2.2
µH
CI
Input capacitor at VINDCDC2 (2)
10
µF
CO
Output capacitor at VDCDC2 (2)
10
22
µF
IO
Output current at L3, VDCDC3
800
mA
L3
Inductor at L3(2)
1.5
2.2
µH
CI
Input capacitor at VINDCDC3(2)
10
µF
CO
Output capacitor at VDCDC3 (2)
10
22
µF
CI
Input capacitor at VCC(2)
1
µF
CI
Input capacitor at VINLDO(2)
1
µF
CO
Output capacitor at VLDO1, VLDO2(2)
2.2
µF
IO
Output current at VLDO1, VLDO2
200
mA
CO
Output capacitor at Vdd_alive(2)
2.2
µF
IO
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
Ω
(1)
When using an external resistor divider at DEFDCDC2, DEFDCDC1.
(2)
See applications section for more information, for VO > 2.85V choose 3.3µH 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 © 2008, Texas Instruments Incorporated
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3
Product Folder Link(s): TPS650250


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