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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： | 15/19页 |
| 文件大小： | 416K |
| 代理商： | PD70201ILQ |
PD70101 & PD70201
PRELIMINARY DATA SHEET
Copyright 2010
Microsemi
Page 5
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
PGOOD
Output low voltage
IOL = 5mA
0.4
V
Leakage current
VPGOOD = 57V
1
A
PD INTERFACE THERMAL
SHUTDOWN
Thermal Shutdown Temperature
1
180
200
220
°C
DC-DC Controller
VCC
Operating Input Voltage
VCC
7
20
V
VCC< VCC_UVLO or ENABLE
= Low.
200
A
Input Current
IVCC
VCC >VCC_UVLO and
ENABLE = High, No Load on
PG, SG, VL, and FSW =
500kHz.
3
mA
VCC UVLO Rising Threshold
VCC_UVLO
VCC rise time (10% to 90%)
≥ 0.5 ms
8.85
9.15
9.45
V
VCC UVLO Falling Threshold
VCC_UVLO
VCC fall time (90% to 10%)
≥ 5 ms
7
7.3
7.6
V
POE PORT INPUT UVLO/PFW
UVLO/PFW Threshold
VINS
Rising or falling (via external
resistor divider from VPP to
GND). Includes +/- 5mV of
input offset.
1.171
1.200
1 . 2 2 9
V
VINS Input Current
-0.1
+0.1
A
HYST/PFW Output High Voltage
HYST-VOH
ISOURCE = 1mA
2.8
V
HYST/PFW Output Low Voltage
HYST-VOL
ISINK = 5mA
0.4
V
INTERNAL LDOs
+5 V Internal Linear Regulator
VL
0 < IL < 5mA, Not including
internal consumption
4.75
5
5.25
V
-5 V Internal Linear Regulator
VH
Reference to VCC; for
Internal use only
-5
V
SOFT-START
Soft-start Charging Current
2
ISS_CHG
RFREQ=33.2kΩ; VSOFTSTART =
0.5V
32
36
40
A
Soft-start Discharging Current
ISS_DIS
VSOFTSTART = 0.5V; percent of
ISS_CHG
10
%
Soft-start Completion Threshold
1
VSS
Percentage of 1.2V
Reference
90
95
%
Soft-start Discharge (by current source)
Completion Threshold
1
VSS
50
mV
Soft-start Discharge FET On Resistance
50
Soft-start Discharge FET On Time
1
Specified as switching
frequency clock cycles
32
cyc
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