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FAN501MPX Ver la hoja de datos (PDF) - Fairchild Semiconductor

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FAN501MPX Datasheet PDF : 17 Pages
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Electrical Characteristics
VDD=15 V and TJ=-40~125C unless noted.
Symbol
Parameter
Conditions
Min. Typ. Max. Unit
Voltage-Sense Section
ITC
IVS-H
IVS-L
Temperature-Independent Bias Current VCS=5 V, VFB=3 V
VS Source Current Threshold to fOSC-L Operation(5)
VS Source Current Threshold to fOSC-H Operation(5)
IVS-Brownout
VVS-OVP
NVS-OVP
VS Source Current Threshold to Enable Brownout
Output Over-Voltage Protection with VS Sampling Voltage(4)
Output Over-Voltage Protection Debounce Cycle Counts(4)
VVS-UVP Output Under-Voltage Protection
tVS-UVP-
BLANK
NVS-UVP
Output Under-Voltage Protection Blanking Time at Startup(5)
Output Under-Voltage Protection Debounce Cycle Counts(5)
Current-Sense Section
8.75 10.00 11.25 μA
750
μA
680
μA
160
μA
3.10 3.20 3.30 V
8
Cycle
1.45 1.55 1.65 V
30 45 60 ms
8
Cycle
VVR Internal Reference Voltage for CC Regulation
VCCR
Variation Test Voltage on CS Pin for CC
Regulation (Non-Inverting Input of Error
Amplifier for CC Regulation, EAI)
VCS=0.375 V, VCOMP= 1.59 V,
VS= 6 V
KCCM Design Parameter in CC Regulation(4)
VCS-LIM Current Limit Threshold Voltage
tPD
tLEB
VSlope
GATE Output Turn-Off Delay
Leading-Edge Blanking Time(4)
Slope Compensation(4)
Maximum Duty Cycle
Constant Current Correction
2.460 2.500 2.540 V
2.405 2.430 2.455 V
12.0
V/V
0.80 0.85 0.90 V
100 200 ns
150 200 ns
66.6
mV/μs
ICOMP COMP Pin Source Current as VS=0.3 V
GATE Section
VCS=0.3 V, VFB=2.5 V, VS=0 V 42 50 58 μA
tON-MIN Minimum On Time
tON-MIN-Limit Limited Minimum On Time
DCYMAX Maximum Duty Cycle
VGATE-L Gate Output Voltage Low
VDD-PMOS-ON Internal Gate PMOS Driver ON
VDD-PMOS- Internal Gate PMOS Driver OFF
OFF
tr
Rising Time
tf
Falling Time
VGATE- Gate Output Clamping Voltage
CLAMP
Notes:
4. TJ guaranteed range at 25C.
5. Design guaranteed.
VCS=0.6 V, VS=0.3 V,
VFB=1.7 V
VCS=0.6 V, VS=0.5 V,
VFB=1.7 V
VCS=0.6 V, VS=0 V, VFB=4 V
450 550 650 ns
0.95 1.20 1.45 μs
60.0 68.5 77.0 %
0
1.5 V
7.0 7.5 8.0 V
9.0 9.5 10.0 V
VCS=0 V, VS=0 V, CGATE=1 nF 100 140 180 ns
VCS=0 V, VS=0 V, CGATE=1 nF 30 50 70 ns
VDD=25 V
7.0 7.5 8.0 V
© 2014 Fairchild Semiconductor Corporation
FAN501 • Rev. 1.0.0
6
www.fairchildsemi.com

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