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PD70101 데이터시트(PDF) 10 Page - Microchip Technology

부품명 PD70101
상세설명  PoE IEEE짰 802.3af/at PD Controller
PDF  31 Pages
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제조업체  MICROCHIP [Microchip Technology]
홈페이지  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PD70101 데이터시트(HTML) 10 Page - Microchip Technology

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Table 2-4. Isolation Switch
Symbol
Parameter
Test Conditions/Comment
Min
Type Max Units
VSW- START Isolation Switch MOSFET switches
from off to ILIM-LOW
36
42
V
VSW-OFF
Isolation Switch MOSFET switched off
30.5
34.5 V
ILIM-LOW
Startup current limit, ILIM-LOW
130
240
330
mA
VDIFF
VPN_IN to VPN_OUT Threshold
voltage for ILIM – LOW to ILIM-HIGH
switchover
When VPNIN to VPNOUT ≤
VDIFF, Isolating switch switches
over from ILIM-LOW to ILIM-HIGH
0.7
V
OCP
Over current protection limit current
1500 1800 2000 mA
ILOAD
Continuous operation load
Isolating switch at ILIM-HIGH
PD70101
450
mA
PD70201
1123 mA
SW-RDSON Isolated Switch On resistance at ILIM-
HIGH
Total resistance between VPNIN
and VPNOUT
Isolating switch at ILIM-HIGH
0.6
Ω
Table 2-5. DC/DC Capacitor Discharge
Symbol
Parameter
Test Conditions/Comment
Min Type Max Units
CIN
DC/DC input capacitance
For reference only Guaranteed by design (not
tested in production)
220
264 µF
Discharge current
7.0 V ≤ VPP to VPNOUT ≤ 30 V
22.8 32
50
mA
AT_FLAG
Output low voltage
IOL = 0.75 mA
0.4
V
IOL = 5 mA
2.5
V
Leakage current
VAT_FLAG = 57 V
1.7
µA
PGOOD
Output low voltage
IOL = 0.75 mA
0.4
V
IOL MAX = 5 mA
2.5
V
Leakage current
VPGOOD = 57 V
1.7
µA
Interface Thermal Shutdown
Thermal Shutdown
Temperature1
180 200
220 °C
VAUX (respect to VPN_OUT)
VAUX-OFF VAUX output voltage off
(leakage current)
PGOOD = High impedance
Load = 1 MΩ
1
V
VAUX-ON VAUX output voltage on
Isolating switch at ILIM-HIGH and PGOOD = Low 9.8
10.5 11.8 V
IVAUXP
Output current peak
Capacitor = 30 µF When TLOAD ≤ 5 ms
Isolating switch at ILIM-HIGH and PGOOD = Low
0
10
mA
PD70101 and PD70201
Electrical Specifications
© 2020 Microchip Technology Inc.
Datasheet
DS00003738A-page 10



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