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TPS51225CRUKR Datasheet(PDF) 3 Page - Texas Instruments

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Part # TPS51225CRUKR
Description  Dual Synchronous, Step-Down Controller
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS51225CRUKR Datasheet(HTML) 3 Page - Texas Instruments

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TPS51225, TPS51225B, TPS51225C
www.ti.com
SLUSAV0B – JANUARY 2012 – REVISED SEPTEMBER 2012
ABSOLUTE MAXIMUM RATINGS
(1)
over operating free-air temperature range (unless otherwise noted)
VALUE
UNIT
MIN
MAX
VBST1, VBST2
–0.3
32
VBST1, VBST2(3)
–0.3
6
SW1, SW2
–6.0
26
Input voltage(2)
VIN
–0.3
26
V
EN1, EN2
–0.3
6
VFB1, VFB2
–0.3
3.6
VO1
–0.3
6
DRVH1, DRVH2
–6.0
32
DRVH1, DRVH2(3)
–0.3
6
DRVH1, DRVH2(3) (pulse width < 20 ns)
–2.5
6
Output voltage(2)
DRVL1, DRVL2
–0.3
6
V
DRVL1, DRVL2 (pulse width < 20 ns)
–2.5
6
PGOOD, VCLK, VREG5
–0.3
6
VREG3, CS1, CS2
–0.3
3.6
HBM QSS 009-105 (JESD22-A114A)
2
Electrostatic
kV
discharge
CDM QSS 009-147 (JESD22-C101B.01)
1
Junction temperature, TJ
150
°C
Storage temperature, TST
–55
150
°C
(1)
Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings
only and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating
conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2)
All voltage values are with respect to the network ground terminal unless otherwise noted
(3)
Voltage values are with respect to SW terminals.
THERMAL INFORMATION
TPS51225
TPS51225B
THERMAL METRIC(1)
UNITS
TPS51225C
20-PIN RUK
θJA
Junction-to-ambient thermal resistance
94.1
θJCtop
Junction-to-case (top) thermal resistance
58.1
θJB
Junction-to-board thermal resistance
64.3
°C/W
ψJT
Junction-to-top characterization parameter
31.8
ψJB
Junction-to-board characterization parameter
58.0
θJCbot
Junction-to-case (bottom) thermal resistance
5.9
(1)
For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.
Copyright © 2012, Texas Instruments Incorporated
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Product Folder Links :TPS51225 TPS51225B TPS51225C


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