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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： | 13/19页 |
| 文件大小： | 416K |
| 代理商： | PD70201ILQ |
PD70101 & PD70201
PRELIMINARY DATA SHEET
Copyright 2010
Microsemi
Page 3
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
E L E C T R I C A L C H A R A C T E R I S T I C S
Unless otherwise specified, the following specifications apply over the operating ambient temperature of -40
C ≤ T
A ≤
85
C except where otherwise noted with the following test conditions: VPP= 37V to 57V; VCC = 7V to 20V; V
EN =
HIGH, fs = 250 kHz. Production tests performed at 25°C.
PD70101 & PD70201
CONTROLLER
Parameter
Symbol
Test Conditions / Comment
Min
Type
Max
Units
PD Interface
POWER SUPPLY
Input Voltage
VPP
Supports Full IEEE802.3
functionality
0
55
57
V
DETECTION MODE
Detection is connected.
At this voltage range RDET must be on.
DETRANGE
Measured between
VPP and VPN_IN
2.5
10.1
V
Detection Switch ON Resistance
PD-detection
RDET-on
2.5V ≤ VPP TO VPN_IN ≤
10.1V
Measured between
RDET and VPN_IN
50
Detection is disconnected
RDET-off
Measured between
VPP and VPN_IN
10.1
12.8
V
Detection switch OFF resistance
RDET-off
12.8V
≤ VPP to VPN_IN ≤
57.0V
Measured between RDET
and VPN_IN
2.0
M
IOFFSET
2.5V to 10.1V
-
40
C
T
J 85C
16
μA
Input offset current
IOFFSET
2.5V to 10.1V
-
40
C
T
J 55C
10
μA
RDET reconnection level, VPP falling
VRDET-on
Measured between VPP
and VPN_IN
2.45
3.0
4.85
V
CLASSIFICATION MODE
Classification current source, turn ON
threshold range measured at VCC
VTH-low-on
Turn on for any ICLASS while
VCC increases
11.1
13.5
V
Classification
disconnection
minimum
hysteresis voltage.
VHST
Hysteresis between
VTH-low-on and VTH-low-off
1
V
Classification current source, turn OFF
threshold range measured at VPP
VTH-high-off
Turn off while VPP increases
20.9
23.9
V
Current limit threshold
ICLASS-LIM
50.0
55.5
60.0
mA
Input current IPP when classification
function is disabled
ICLASS-DIS
Class 0
RCLASS = Disconnect
3.0
mA
Class 1
RCLASS = 113
±1%
9.50
10.5
11.5
mA
Input current IPP when classification
function is enabled
ICLASS-EN
Class 2
RCLASS = 64.9
±1%
17.5
18.5
19.5
mA
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