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参数资料
| 型号： | PD70201ILQ |
| 厂商： | MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PQCC32 |
| 封装： | 5 X 5 MM, ROHS COMPLIANT, PLASTIC, QFN-32 |
| 文件页数： | 14/19页 |
| 文件大小： | 416K |
| 代理商： | PD70201ILQ |
PD70101 & PD70201
PRELIMINARY DATA SHEET
Copyright 2010
Microsemi
Page 4
Rev. 0.6, 21-Jan-2011
Analog Mixed Signal Group
11861 Western Avenue, Garden Grove, CA 92841; 714-898-8121; Fax: 714-893-2570
P
D
7
0
1
0
1
&
P
D
7
0
2
0
1
PD70101 / PD70201: IEEE 802.3 af/at
Power Over Ethernet PD Controller
TM
PD70101 & PD70201
CONTROLLER
Parameter
Symbol
Test Conditions / Comment
Min
Type
Max
Units
Class 3
RCLASS = 43.2
±1%
26.5
28.0
29.5
mA
Class 4
RCLASS = 30.9
±1%
38.0
40.0
42.0
mA
MARK
Mark, working range
VMARK
When voltage decrease
Measured between
VPP to VPN_IN
4.9
10.1
V
Mark Current
IMARK
Chip current
0.25
4
mA
ISOLATION SWITCH
Isolation Switch MOSFET switches from
off to ILIM-LOW
VSW-START
36
42
V
Isolation Switch MOSFET switched off
VSW-OFF
31
34
V
Startup current limit, ILIM
ILIM-LOW
130
240
320
mA
VPN_IN
to
VPN_OUT
Threshold
voltage for ILIM – LOW to ILIM-HIGH switchover
VDIFF
When VPN_IN to VPN_OUT
≤ V
DIFF, Isolating switch
switches over from ILIM-LOW
to ILIM-HIGH.
0.7
V
Over current protection limit current
OCP
1500
1800
2000 mA
Continuous operation load
ILOAD
Isolating switch at ILIM-HIGH
PD70101
PD70201
350
600
450
1123
mA
Continuous operation total RDSON
SW-RDSON
Total resistance between
VPN_IN and VPN_OUT
Isolating switch at ILIM-HIGH
0.6
Ω
DC/DC CAPACITOR DISCHARGER
DC/DC input capacitance
For reference only
Guaranteed by design
(not tested on production)
220
F
Discharge current.
1.5 ≤ VPP to VPN_OUT ≤
32v
22.8
mA
Discharge time for full discharge
TDSCFULL
VCC < UVLO threshold
Guaranteed by design
(not tested on production)
500
ms
AT_FLAG
Output low voltage
IOL = 5mA
0.4
V
Leakage current
VATFLAG = 57V
1
A
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