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参数资料
| 型号： | PD70201ILQ-TR |
| 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： | 16/19页 |
| 文件大小： | 416K |
| 代理商： | PD70201ILQ-TR |
PD70101 & PD70201
PRELIMINARY DATA SHEET
Copyright 2010
Microsemi
Page 6
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
SWITCHING FREQUENCY AND SYNCHRONIZATION
Switching Frequency Adjust Range
FFREQ
100
500
kHz
Switching Frequency Set Point
Accuracy
3
FFREQ
RFREQ = 33.2k
(VRFREQ = 1.2V).
Note: Oscillator frequency
is 2x the converter
switching frequency.
270
300
330
kHz
Synchronization Frequency Range
FSYNC
FSYNC greater than 2x the
converter switching
frequency.
200
1000 kHz
Synchronization Voltage High Threshold
VSYNC
2.4
5
V
Synchronization Voltage Low Threshold
VSYNC
0.8
V
Synchronization Minimum Pulse Width
PWSYNC
100
200
ns
Synchronization Input Current
ISYNC
-1
+1
A
ERROR AMPLIFIER
DC Open Loop Gain
1
RLOAD = 100k
70
100
dB
Unity gain bandwidth
1
AVUGBW
CLOAD = 10pF
2
5
MHz
Output Sourcing/Sink Current
0.2V ≤ V
COMP ≤ 1.3V
200
500
A
Input Common Mode Range
0
2
V
Feedback Voltage Accuracy
VFB
COMP shorted to FB.
1.171
1.200
1.229
V
FB Pin Input Current
IFB
-50
50
nA
Output High Clamp
VCOMP
1.3
1.4
1.5
V
PWM COMPARATOR
Input Offset
-10
10
mV
RCLP Voltage range
VRCLP
0
1
V
LOW POWER MODE ( SKIP PULSE MODE)
VCOMP Rising (as percent of
VRCLP).
95
%
Low Power Skip Mode Threshold
1,4
VCOMP Falling (as percent of
VRCLP).
90
%
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