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MP8005DF Datenblatt(PDF) 3 Page - Monolithic Power Systems

Teilenummer MP8005DF
Bauteilbeschribung  13W 802.3af PoE Powered Device (PD) Interface and PWM Controller
PDF  11 Pages
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Hersteller  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP8005DF Datenblatt(HTML) 3 Page - Monolithic Power Systems

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MP8005 – IEEE 802.3af PoE POWERED DEVICE CONTROLLER
MP8005 Rev. 1.0
www.MonolithicPower.com
3
9/26/2013
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2013 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS
VDD = 48V, all voltages with respect to VSS, VSS = 0V; RDET = 26.1kΩ, RCLASS = 4.42KΩ,
RILIM = 178kΩ, TA = 25°C, unless otherwise noted.
Parameters
Symbol
Condition
Min
Typ
Max
Units
VCC Undervoltage
Lockout
Internal Divider (IQ)
4.5
4.7
V
VCC On/Off Voltage
Hysteresis
1
V
Shutdown Current
IS
EN/SS =0V, VIN=9V
50
μA
Quiescent Current
IQ
Output not switching, no load,
VFB=1V, VCC=9V
270
320
μA
Main Gate Driver
Impedance (Sourcing)
VCC=9V, VGATE=5V
16
Ω
Main Gate Driver
Impedance (Sinking)
VCC=9V, IGATE=5mA
5.0
Ω
Synchronous Gate Driver
Impedance (Sourcing)
VCC=9V, VSYNCGATE=5V
16
Ω
Synchronous Gate Driver
Impedance (Sinking)
VCC=9V, IGATE=5mA
5.0
Ω
Delay after Synchronous
Gate
RDELAY=100KΩ
50
ns
Error Amplifier
Transconductance
VFB connected to VCOMP/RUN. Force ±
±
10μA to VCOMP/RUN.
0.26
0.38
0.46
mA/V
Maximum comp Current
Sourcing and Sinking
40
μA
Error Amplifier Translator
Gain
(5)
AET
0.28
0.32
0.36
V/V
Switching Frequency
fS
220
260
300
kHz
Thermal Shutdown
150
°C
Maximum Duty Cycle
76
81
86
%
Minimum On Time
tON
200
ns
ISENSE Limit
165
190
215
mV
FB Voltage
VFB
0.794
0.818
0.847
V
FB Bias Current
IFB
Current flowing out of part
50
nA
ISENSE Bias Current
ISENSE
Current flowing out of part
50
nA
Enable On Threshold
VEN
High-to-Low
1.15
1.25
1.35
V
Enable Hystersis
VEN
50
mA
Soft Start Current
ISS
4
μA



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