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PD70211 Datasheet(PDF) 15 Page - Microsemi Corporation

Part # PD70211
Description  PD Controller with Switching Regulator for AF/AT/UPOE/HDBaseT/4-pair PoE Applications
PDF  30 Pages
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Manufacturer  MICROSEMI [Microsemi Corporation]
Direct Link  http://www.microsemi.com
Logo MICROSEMI - Microsemi Corporation

PD70211 Datasheet(HTML) 15 Page - Microsemi Corporation

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Copyright © 2016
Microsemi
Page 15
Rev. 1.4, July 2017
CPG
– PoE BU
One Enterprise Aliso Viejo, CA 92656 USA
PD70211
PD Controller with Switching Regulator for
AF/AT/UPOE/HDBaseT/4-pair PoE Applications
Symbol
Parameter
Conditions
Min
Typ
Max
Units
IVCC_Q
IC input current
(switching, no load on
SG, PG, VDD)
VENABLE = High, and
VVCC > VCC_UVLO_UP, fsw =
500kHz
3
mA
Input UVLO/PFW
VINS_TH
Threshold on VINS pin
Rising or falling
1.171
1.200
1.229
V
VHYST_HIGH
Hysteresis pin high
voltage
IHYST_SOURCING = 1mA
2.8
V
VHYST_LOW
Hysteresis pin low
voltage
IHYST_SINKING = 3mA
0.4
V
LDOs
VL
IVDD_EXT < 5mA (current out
of pin)
4.75
5
5.25
V
VH
VH rail (with respect to
VCC)
-5V
V
Soft Start
ISS_CH
Current out of SS pin
during charging phase
RFREQ=33.3k, VSS=0.5V
32
36
40
µA
ISS_DISCH
Current into SS pin
during discharging
phase
RFREQ=33.3k, VSS=0.5V
10
% of
ISS_CH
VSS_CH
Soft start charge
completed threshold
By design only
90
95
% of
VREF
VSS_DISCH
Soft start discharge
completed threshold
50
mV
RSS_DISCH
Soft-start pin discharge
FET resistance
50
Ω



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