NCP1622: Power Factor Controller, Enhanced Light Load Efficiency
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The 6-pin PFC controller NCP1622 is designed to drive PFC boost stages. It is based on an innovative Valley Synchronized Frequency Fold-back (VSFF) method. In this mode, the circuit classically operates in Critical conduction Mode (CrM) when control voltage exceeds a programmable value Vctrl,FF. When Vcontrol is below this preset level Vctrl,FF, the NCP1622 (versions [B**] and [D**]) linearly decays the frequency down to about 30 kHz until Vcontrol reaches the SKIP mode threshold. VSFF maximizes the efficiency at both nominal and light load. In particular, the stand-by losses are reduced to a minimum. Like in FCCrM controllers, internal circuitry allows near-unity power factor even when the switching frequency is reduced. Housed in a TSOP6 package, the circuit also incorporates the features necessary for robust and compact PFC stages, with few external components.
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Technical Documentation & Design Resources
Design & Development Tools (2) | Data Sheets (1) |
Software (1) | Package Drawings (1) |
Design Notes (1) | Videos (3) |
Application Notes (2) | Evaluation Board Documents (9) |
Evaluation/Development Tool Information
Product | Status | Compliance | Short Description | Action | |
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NCP1622GEVB | Active |
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160-W, Wide Mains, PFC Stage Driven by the NCP1622 | ||
STR-ACF-12V100WPSU-GEVB | Active |
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Strata Enabled NCP1568 100W AC to DC Converter |
Availability & Samples
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Specifications
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Case Outline |
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NCP1622AEASNT1G | Active |
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NCP1622, Power Factor Controller, Enhanced Light Load Efficiency | TSOP-6 | 318G-02 | 1 | 260 | Tape and Reel | 3000 | $0.24 | ||||||||
NCP1622BCCSNT1G | Active |
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NCP1622, Power Factor Controller, Enhanced Light Load Efficiency | TSOP-6 | 318G-02 | 1 | 260 | Tape and Reel | 3000 | $0.2409
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NCP1622BECSNT1G | Active |
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NCP1622, Power Factor Controller, Enhanced Light Load Efficiency | TSOP-6 | 318G-02 | 1 | 260 | Tape and Reel | 3000 | $0.2409 | ||||||||
NCP1622DCCSNT1G | Active |
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NCP1622, Power Factor Controller, Enhanced Light Load Efficiency | TSOP-6 | 318G-02 | 1 | 260 | Tape and Reel | 3000 | $0.264 |
Market Leadtime (weeks) | : | Contact Factory |
Market Leadtime (weeks) | : | 13 to 16 |
Market Leadtime (weeks) | : | 13 to 16 |
FutureElectronics (2020-08-19 00:00) | : | >1K |
Market Leadtime (weeks) | : | 4 to 8 |
Product
Description
Pricing ($/Unit)
Compliance
Status
PFC Mode
Frequency Operation
Control Mode
Topology
fSW Typ (kHz)
VCC Max (V)
Drive Cap. (mA)
UVLO (V)
Latch
UVP
Inhibition
Package Type
NCP1622AEASNT1G
$0.24
Pb
A
H
P
Active
CRM
Variable
Current Mode
Step-Up
Variable
30
500 / 800
9
Yes
Yes
No
TSOP-6
NCP1622BCCSNT1G
$0.2409
Pb
A
H
P
Active
CRM
Variable
Current Mode
Step-Up
Variable
30
500 / 800
9
Yes
Yes
No
TSOP-6
NCP1622BECSNT1G
$0.2409
Pb
A
H
P
Active
CRM
Variable
Current Mode
Step-Up
Variable
30
500 / 800
9
Yes
Yes
No
TSOP-6
NCP1622DCCSNT1G
$0.264
Pb
A
H
P
Active
CRM
Variable
Current Mode
Step-Up
Variable
30
500 / 800
9
Yes
Yes
No
TSOP-6
Case Outlines
318G-02
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