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Overview
| Topology | Power Factor Correction |
| Input voltage | 90-300 V |
| Switching frequency | 600 kHz |
| Output 1 | 48 V / 0.6 A |
| IC revision | 1.0 |
Description
RD-574The FL7930B is an active power factor correction (PFC) controller for boost PFC applications that operate in critical conduction mode (CRM). It uses a voltage-mode PWM that compares an internal ramp signal with the error amplifier output to generate a MOSFET turn-off signal. Because the voltage-mode CRM PFC controller does not need rectified AC line voltage information, it saves the power loss of an input voltage sensing network necessary for a current-mode CRM PFC controller.FL7930B provides over-voltage protection (OVP), open-feedback protection, over-current protection (OCP), input-voltage-absent detection, and under-voltage lockout protection (UVLO). The additional OVP pin can be used to shut down the boost power stage when output voltage exceeds OVP level due to the resistors that are connected at INV pin are damaged. The FL7930B can be disabled if the INV pin voltage is lower than 0.45 V and the operating current decreases to a very low level. Using a new variable on-time control method, total harmonic distortion (THD) is lower than in conventional CRM boost PFC ICs.
Features
Additional OVP Detection PinVIN-Absent DetectionMaximum Switching Frequency LimitationInternal Soft-Start and Startup without OvershootInternal Total Harmonic Distortion (THD) OptimizerPrecise Adjustable Output Over-Voltage ProtectionOpen-Feedback Protection and Disable FunctionZero Current Detector (ZCD)150 μs Internal Startup TimerMOSFET Over-Current Protection (OCP)Under-Voltage Lockout with 3.5 V HysteresisLow Startup and Operating CurrentTotem-Pole Output with High State Clamp+500/-800 mA Peak Gate Drive Current8-Pin, Small-Outline Package (SOP)
Typical applications
- Lighting
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | Pins | PCB/Cable/Panel | Modularity | Wire Section | C | VR(V (AC)) | Safety Class | dV/dt(V/µs) | DF @ 1 kHz(%) | RISO | Pitch(mm) | L(mm) | W(mm) | H(mm) | Packaging | Tol. C | Size | Operating Temperature | Q | DF(%) | Ceramic Type | Fl(mm) | L(µH) | IR(A) | ISAT(A) | fres(MHz) | Z @ 100 MHz(Ω) | Zmax(Ω) | Test Condition Zmax | IR 2(mA) | RDC max.(Ω) | Type | SamplesAvailability & Sample | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | SPECWR-TBL Series 412MB - 3.50 mm Screwless 45° Entry - 2.08 mm² Wires, 6, Screwless | Simulation– | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Pins6 | PCB/Cable/PanelPCB | ModularityNo | Wire Section 14 to 20 (AWG) 2.08 to 0.518 (mm²) | – | – | – | – | – | – | Pitch3.5 mm | Length22.5 mm | – | – | PackagingBox | – | – | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | Rated Current2 A | – | – | – | – | – | – | – | Type45° | –Check availability | |||
 | SPECWE-CBF SMT EMI Suppression Ferrite Bead, –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CBF SMT EMI Suppression Ferrite Bead | – | – | – | – | – | – | – | – | – | – | – | Length1.6 mm | Width0.8 mm | Height0.8 mm | – | – | Size0603 | Operating Temperature -55 °C up to +125 °C | – | – | – | Pad Dimension0.3 mm | – | Rated Current0.5 A | – | – | Impedance @ 100 MHz220 Ω | Maximum Impedance280 Ω | Maximum Impedance350 MHz | Rated Current 21000 mA | DC Resistance0.3 Ω | TypeWide Band | –Check availability | |||
 | SPECWCAP-FTXX Film Capacitors, –, Across the mains PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-FTXX Film Capacitors | – | – | – | – | Capacitance220 nF | Rated Voltage310 V (AC) | Safety ClassX2 | Rate of Voltage Rise180 V/µs | Dissipation Factor0.1 % | Insulation Resistance30 GΩ | Pitch15 mm | Length18 mm | Width6 mm | Height11.5 mm | PackagingCarton | Capacitance±10% | SizePitch 15 mm | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | –Check availability | |||
| SPECWCAP-FTXX Film Capacitors, –, Across the mains PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-FTXX Film Capacitors | – | – | – | – | Capacitance470 nF | Rated Voltage310 V (AC) | Safety ClassX2 | Rate of Voltage Rise220 V/µs | Dissipation Factor0.1 % | Insulation Resistance21.28 GΩ | Pitch15 mm | Length18 mm | Width8 mm | Height14 mm | PackagingCarton | Capacitance±10% | SizePitch 15 mm | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | –Check availability | |||
 | SPECWE-LQS SMT Power Inductor, –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-LQS SMT Power Inductor | – | – | – | – | – | – | – | – | – | – | – | Length6 mm | Width6 mm | Height4.5 mm | – | – | Size6045 | Operating Temperature -40 °C up to +125 °C | – | – | – | – | Inductance33 µH | Rated Current1.8 A | Saturation Current2 A | Self Resonant Frequency12 MHz | – | – | – | – | – | – | –Check availability | |||
SPECWCAP-CSGP MLCCs 10 V(DC), –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 10 V(DC) | – | – | – | – | Capacitance2.2 µF | Rated Voltage10 V (AC) | – | – | – | Insulation Resistance0.05 GΩ | – | Length1.6 mm | Width0.8 mm | Height0.8 mm | Packaging7" Tape & Reel | Capacitance±10% | Size0603 | Operating Temperature -55 °C up to +125 °C | – | Dissipation Factor10 % | Ceramic TypeX7R Class II | Pad Dimension0.4 mm | – | – | – | – | – | – | – | – | – | – | –Check availability | ||||
SPECWCAP-CSGP MLCCs 25 V(DC), –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | Capacitance330 pF | Rated Voltage25 V (AC) | – | – | – | Insulation Resistance10 GΩ | – | Length1.6 mm | Width0.8 mm | Height0.8 mm | Packaging7" Tape & Reel | Capacitance±10% | Size0603 | Operating Temperature -55 °C up to +125 °C | – | Dissipation Factor3.5 % | Ceramic TypeX7R Class II | Pad Dimension0.4 mm | – | – | – | – | – | – | – | – | – | – | –Check availability | ||||
SPECWCAP-CSGP MLCCs 25 V(DC), –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | Capacitance1 µF | Rated Voltage25 V (AC) | – | – | – | Insulation Resistance0.5 GΩ | – | Length1.6 mm | Width0.8 mm | Height0.8 mm | Packaging7" Tape & Reel | Capacitance±10% | Size0603 | Operating Temperature -55 °C up to +125 °C | – | Dissipation Factor10 % | Ceramic TypeX7R Class II | Pad Dimension0.4 mm | – | – | – | – | – | – | – | – | – | – | –Check availability | ||||
SPECWCAP-CSGP MLCCs 50 V(DC), –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | Capacitance1 nF | Rated Voltage50 V (AC) | – | – | – | Insulation Resistance10 GΩ | – | Length1.6 mm | Width0.8 mm | Height0.8 mm | Packaging7" Tape & Reel | Capacitance±10% | Size0603 | Operating Temperature -55 °C up to +125 °C | – | Dissipation Factor2.5 % | Ceramic TypeX7R Class II | Pad Dimension0.4 mm | – | – | – | – | – | – | – | – | – | – | –Check availability | ||||
SPECWCAP-CSGP MLCCs 50 V(DC), –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | Capacitance100 nF | Rated Voltage50 V (AC) | – | – | – | Insulation Resistance5 GΩ | – | Length1.6 mm | Width0.8 mm | Height0.8 mm | Packaging7" Tape & Reel | Capacitance±10% | Size0603 | Operating Temperature -55 °C up to +125 °C | – | Dissipation Factor3 % | Ceramic TypeX7R Class II | Pad Dimension0.4 mm | – | – | – | – | – | – | – | – | – | – | –Check availability | ||||
SPECWCAP-CSGP MLCCs 25 V(DC), –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | Capacitance100 pF | Rated Voltage25 V (AC) | – | – | – | Insulation Resistance10 GΩ | – | Length2 mm | Width1.25 mm | Height0.6 mm | Packaging7" Tape & Reel | Capacitance±5% | Size0805 | Operating Temperature -55 °C up to +125 °C | Q-Factor1000 | – | Ceramic TypeNP0 Class I | Pad Dimension0.5 mm | – | – | – | – | – | – | – | – | – | – | –Check availability | ||||
SPECWCAP-CSGP MLCCs 50 V(DC), –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | Capacitance10 pF | Rated Voltage50 V (AC) | – | – | – | Insulation Resistance10 GΩ | – | Length2 mm | Width1.25 mm | Height0.6 mm | Packaging7" Tape & Reel | Capacitance±5% | Size0805 | Operating Temperature -55 °C up to +125 °C | Q-Factor600 | – | Ceramic TypeNP0 Class I | Pad Dimension0.5 mm | – | – | – | – | – | – | – | – | – | – | –Check availability | ||||
SPECWCAP-CSGP MLCCs 25 V(DC), –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | Capacitance470 nF | Rated Voltage25 V (AC) | – | – | – | Insulation Resistance1.1 GΩ | – | Length2 mm | Width1.25 mm | Height1.25 mm | Packaging7" Tape & Reel | Capacitance±10% | Size0805 | Operating Temperature -55 °C up to +125 °C | – | Dissipation Factor3.5 % | Ceramic TypeX7R Class II | Pad Dimension0.5 mm | – | – | – | – | – | – | – | – | – | – | –Check availability | ||||
SPECWCAP-CSGP MLCCs 25 V(DC), –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | Capacitance1 µF | Rated Voltage25 V (AC) | – | – | – | Insulation Resistance0.5 GΩ | – | Length2 mm | Width1.25 mm | Height1.25 mm | Packaging7" Tape & Reel | Capacitance±10% | Size0805 | Operating Temperature -55 °C up to +125 °C | – | Dissipation Factor5 % | Ceramic TypeX7R Class II | Pad Dimension0.5 mm | – | – | – | – | – | – | – | – | – | – | –Check availability | ||||
SPECWCAP-CSGP MLCCs 50 V(DC), –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | Capacitance1 nF | Rated Voltage50 V (AC) | – | – | – | Insulation Resistance10 GΩ | – | Length2 mm | Width1.25 mm | Height0.8 mm | Packaging7" Tape & Reel | Capacitance±10% | Size0805 | Operating Temperature -55 °C up to +125 °C | – | Dissipation Factor2.5 % | Ceramic TypeX7R Class II | Pad Dimension0.5 mm | – | – | – | – | – | – | – | – | – | – | –Check availability | ||||
SPECWCAP-CSGP MLCCs 50 V(DC), –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | Capacitance10 nF | Rated Voltage50 V (AC) | – | – | – | Insulation Resistance10 GΩ | – | Length2 mm | Width1.25 mm | Height0.8 mm | Packaging7" Tape & Reel | Capacitance±10% | Size0805 | Operating Temperature -55 °C up to +125 °C | – | Dissipation Factor2.5 % | Ceramic TypeX7R Class II | Pad Dimension0.5 mm | – | – | – | – | – | – | – | – | – | – | –Check availability | ||||
SPECWCAP-CSGP MLCCs 50 V(DC), –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | Capacitance15 nF | Rated Voltage50 V (AC) | – | – | – | Insulation Resistance10 GΩ | – | Length2 mm | Width1.25 mm | Height0.8 mm | Packaging7" Tape & Reel | Capacitance±10% | Size0805 | Operating Temperature -55 °C up to +125 °C | – | Dissipation Factor2.5 % | Ceramic TypeX7R Class II | Pad Dimension0.5 mm | – | – | – | – | – | – | – | – | – | – | –Check availability | ||||
SPECWCAP-CSGP MLCCs 50 V(DC), –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | Capacitance22 nF | Rated Voltage50 V (AC) | – | – | – | Insulation Resistance10 GΩ | – | Length2 mm | Width1.25 mm | Height0.8 mm | Packaging7" Tape & Reel | Capacitance±10% | Size0805 | Operating Temperature -55 °C up to +125 °C | – | Dissipation Factor2.5 % | Ceramic TypeX7R Class II | Pad Dimension0.5 mm | – | – | – | – | – | – | – | – | – | – | –Check availability | ||||
SPECWCAP-CSGP MLCCs 50 V(DC), –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | Capacitance47 nF | Rated Voltage50 V (AC) | – | – | – | Insulation Resistance10 GΩ | – | Length2 mm | Width1.25 mm | Height0.8 mm | Packaging7" Tape & Reel | Capacitance±10% | Size0805 | Operating Temperature -55 °C up to +125 °C | – | Dissipation Factor2.5 % | Ceramic TypeX7R Class II | Pad Dimension0.5 mm | – | – | – | – | – | – | – | – | – | – | –Check availability | ||||
SPECWCAP-CSGP MLCCs 50 V(DC), –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | Capacitance100 nF | Rated Voltage50 V (AC) | – | – | – | Insulation Resistance5 GΩ | – | Length2 mm | Width1.25 mm | Height0.8 mm | Packaging7" Tape & Reel | Capacitance±10% | Size0805 | Operating Temperature -55 °C up to +125 °C | – | Dissipation Factor2.5 % | Ceramic TypeX7R Class II | Pad Dimension0.5 mm | – | – | – | – | – | – | – | – | – | – | –Check availability | ||||
SPECWCAP-CSGP MLCCs 50 V(DC), –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | Capacitance220 nF | Rated Voltage50 V (AC) | – | – | – | Insulation Resistance2.3 GΩ | – | Length2 mm | Width1.25 mm | Height1.25 mm | Packaging7" Tape & Reel | Capacitance±10% | Size0805 | Operating Temperature -55 °C up to +125 °C | – | Dissipation Factor3 % | Ceramic TypeX7R Class II | Pad Dimension0.5 mm | – | – | – | – | – | – | – | – | – | – | –Check availability | ||||
SPECWCAP-CSGP MLCCs 50 V(DC), –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | Capacitance220 nF | Rated Voltage50 V (AC) | – | – | – | Insulation Resistance2.3 GΩ | – | Length3.2 mm | Width1.6 mm | Height0.95 mm | Packaging7" Tape & Reel | Capacitance±10% | Size1206 | Operating Temperature -55 °C up to +125 °C | – | Dissipation Factor2.5 % | Ceramic TypeX7R Class II | Pad Dimension0.6 mm | – | – | – | – | – | – | – | – | – | – | –Check availability | ||||
750315757 | SPECPower Inductor, –, – | Simulation– | Availability – | Downloads– | Status Activei| Production is active. Expected lifetime: >10 years. | Product series Power Inductor | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | –Check availability | |
750315759 | SPECPFC Inductor, –, – | Simulation– | Availability – | Downloads– | Status Activei| Production is active. Expected lifetime: >10 years. | Product series PFC Inductor | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | –Check availability | |
750315879 | SPECFlyback Transformer, –, – | Simulation– | Availability – | Downloads– | Status Activei| Production is active. Expected lifetime: >10 years. | Product series Flyback Transformer | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | –Check availability |
Availability Forecast
WE item number Packaging unitsLead time
––– weeks
| Expected Availability | Opening inventory | Quantity |
|---|---|---|
| Current Availability | – | – |
There is no forecast for this quantity request.
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