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MP8126DF 数据表(PDF) 4 Page - Monolithic Power Systems

部件名 MP8126DF
功能描述  550mA, 8V-to-14V Input, LNB-Power Supply and Control-Voltage Regulator
PDF  13 Pages
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制造商  MPS [Monolithic Power Systems]
网页  http://www.monolithicpower.com
标志 MPS - Monolithic Power Systems

MP8126DF 数据表(HTML) 4 Page - Monolithic Power Systems

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MP8126 – LNB POWER SUPPLY AND CONTROL VOLTAGE REGULATOR
MP8126 Rev. 1.03
www.MonolithicPower.com
4
5/27/2013
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2013 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS (continued)
VIN = 12V, TA = 25°C, unless otherwise noted.
Parameter
Symbol Condition
Min
Typ
Max
Units
TONE Signal
VEXTM_High VEXTM rising
2
V
EXTM Input Logic Threshold
VEXTM_Low VEXTM falling
0.8
V
EXTM Frequency Range
(7)
VEXTM_High=3.3V, VEXTM_Low=0V
20
22
24
kHz
Peak-to-Peak Amplitude
VPP
IOUT = 0 to 100mA
0.4
0.6
0.8
V
Duty Cycle
RL=1kΩ, CL=0.1μF
50
%
Rise and Fall Time
RL=1kΩ, CL=0.1μF
8
μs
Over-Current Protection
Output Current Limit
ILIMIT
RLIMIT=10kΩ
600
770
1100
mA
Dynamic Overload-
Protection Off Time
τOFF
Time between restart attempts
2
s
Dynamic Overload-
Protection On Time
τON
Time to onset of shutdown
50
ms
POK
POK Upper-Trip Threshold
(5)
VFB with respect to nominal
12
%
POK Lower-Trip Threshold
VFB with respect to nominal
-12
%
POK Output Lower Voltage
ISINK = 5mA
0.3
V
Thermal Protection
Over-Temperature
Shutdown
(5)
150
°C
Over-Temperature
Protection Hysteresis
20
°C
Notes:
5) Guaranteed by design.
6) Shall withstand the back voltage for an indefinite period of time. On removal of the fault condition the device returns to normal operation
7) This range is used to guarantee EXTM function.



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