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The NCP1611 is active power factor corrected (PFC) controller specifically designed for use as a boost preconverter in ac-dc adapters, flat TVs, lighting ballasts and other medium powered offline applications. The controller is based on an innovative Current Controlled Frequency Foldback(CCFF) method. In this mode, the circuit classically operates in Critical conduction Mode (CrM) when the inductor current exceeds a programmable value. When the current is below this preset level, the NCP1611 linearly reduces the frequency down to about 20 kHz when the current is at a null. CCFF maximizes the efficiency at both nominal and light load. In particular, the standby losses are reduced to a minimum. The controller features a robust suite of protection features to properly handle an array of power supply operating and fault conditions.
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PFC Mode
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Reference Price
NCP1611ADR2G
Active
Pb
A
H
P
SOIC-8
2
260
REEL
2500
Y
CRM
Variable
Current Mode
Step-Up
Variable
35
500 / 800
9
No
Yes
Yes
$0.312
More Details
NCP1611BDR2G
Active
Pb
A
H
P
SOIC-8
2
260
REEL
2500
Y
CRM
Variable
Current Mode
Step-Up
Variable
35
500 / 800
9
No
Yes
Yes
$0.3227
More Details
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可靠性数据
Die Related Summary Data
Device: NCP1611ADR2G
Equivalent to wafer fab process: ONC25
产品技术
产品技术
等效器件小时
平均故障间隔时间/平均无故障时间(按小时计算)
FITS
ONC25
1
2712519294
More Details
Re-calculate Data
Data is based on the following assumptions.
Note: The temperature and confidence level may be adjusted to your requirements.
Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)
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