TPS51640A, TPS59640, TPS59641
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SLUSAQ2 –JANUARY 2012
THERMAL INFORMATION
TPS51640A
TPS59640
TPS59641
THERMAL METRIC(1)
UNITS
RSL
48 PINS
θJA
Junction-to-ambient thermal resistance
31.7
19.8
θJCtop
θJB
Junction-to-case (top) thermal resistance
Junction-to-board thermal resistance
7.1
°C/W
0.3
ψJT
Junction-to-top characterization parameter
Junction-to-board characterization parameter
Junction-to-case (bottom) thermal resistance
ψJB
7.1
2.1
θJCbot
(1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.
RECOMMENDED OPERATING CONDITIONS
MIN
–0.1
–3.0
TYP
MAX UNIT
VBAT
28
30
CSW1, CSW2
CDH1 to CSW1; CDH2 to CSW2; CBST1 to CSW1; CBST2 to
CSW2
–0.1
5.5
V5DRV, V5
4.5
3.1
5.5
3.5
V3R3
Input voltage
CCOMP, GCOMP
CTHERM, GTHERM
CF-IMAX, GF-IMAX, COCP-I, GOCP-I
–0.1
0.1
2.5
3.6
1.7
V
0.1
CCSP1, CCSP2, CCSP3, CCSN1, CCSN2, CCSN3, CVFB, CGFB,
GGFB, GVFB, GCSN, GCSP,
–0.1
1.7
VR_ON, VCLK, VDIO, SLEWA,
–0.1
–0.1
–0.1
–0.1
–0.1
–0.1
–10
3.5
0.1
PGND
VREF
1.72
VVREF
VV3R3
VV5
CIMON, GIMON
Output voltage
V
CPGOOD, ALERT, VR_HOT, GPGOOD,
CPWM3, CSKIP, GPWM, GSKIP, CDL1, CDL2,
TPS51460A
105
Operating free air temperature, TA
°C
TPS59640,TPS59641
–40
105
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