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PIFE32251B-R68MS Scheda tecnica(PDF) 63 Page - Texas Instruments

Il numero della parte PIFE32251B-R68MS
Spiegazioni elettronici  Simple and Flexible Wide Input Voltage PMU for Mobile Computers
PDF  157 Pages
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Produttore elettronici  TI1 [Texas Instruments]
Homepage  http://www.ti.com
Logo TI1 - Texas Instruments

PIFE32251B-R68MS Scheda tecnica(HTML) 63 Page - Texas Instruments

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ENABLE
ENVRx
VRx
VOUT
POWERGOOD
FB
VOUT
FBVRxP
PGVRx
Lout
Cout
0.90*VREF
Vout
(Enable)
time
PGVRx
(Powergood)
30 us
deglitch
ENVRx
PWRGD
threshold
0
0
ENVRx
FBVRxP
(Vout)
1.10*VREF
PGVRx
Programmable
Discharge
Resistance
0
VREF
Copyright © 2016, Texas Instruments Incorporated
63
TPS650830
www.ti.com
SLVSCF4A – DECEMBER 2014 – REVISED JULY 2016
Submit Documentation Feedback
Product Folder Links: TPS650830
Detailed Description
Copyright © 2014–2016, Texas Instruments Incorporated
6.3.11 Enable and Powergood of VRs
The VRs are enabled by the ENVRx pins. The powergood is output on the PGVRx pins. The powergood
pins can be defined as open-drain or push-pull output, depending on the function in order to allow
"ANDing" or to reduce external components and quiescent current. there is a 30-µs deglitch on both edges
of the powergood comparator outputs. A status register monitors the powergood outputs, and the
powergood tree monitors the powergood for proper sequence and protection. The powergood signals can
be masked by a register.
Figure 6-12. Enable and Powergood of VRs



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