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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 (Value) (pcs) | Application | PCB/Cable/Panel | Modularity | Wire Section | C | VR (V (AC)) | Safety Class | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Operating Temperature | 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 | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 691412120006MB | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-TBL Series 412MB - 3.50 mm Screwless 45° Entry - 2.08 mm² Wires | 6 | Screwless | PCB | No | 14 to 20 (AWG) 2.08 to 0.518 (mm²) | – | – | – | – | – | – | -40 °C up to +105 °C | 3.5 | 22.5 | – | – | Box | – | – | -40 °C up to +105 °C | – | – | – | – | – | 2 | – | – | – | – | – | – | – | 45° | |
 | 74279263 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-CBF SMT EMI Suppression Ferrite Bead | – | – | – | – | – | – | – | – | – | – | – | -55 °C up to +125 °C | – | 1.6 | 0.8 | 0.8 | – | – | 0603 | -55 °C up to +125 °C | – | – | – | 0.3 | – | 0.5 | – | – | 220 | 280 | 350 MHz | 1000 | 0.3 | Wide Band | ||
 | 890334025027CS | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-FTXX Film Capacitors | – | Across the mains | – | – | – | 220 nF | 310 | X2 | 180 | 0.1 | 30 GΩ | -40 °C up to +105 °C | 15 | 18 | 6 | 11.5 | Carton | ±10% | Pitch 15 mm | -40 °C up to +105 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
| 890334025039CS | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-FTXX Film Capacitors | – | Across the mains | – | – | – | 470 nF | 310 | X2 | 220 | 0.1 | 21.28 GΩ | -40 °C up to +105 °C | 15 | 18 | 8 | 14 | Carton | ±10% | Pitch 15 mm | -40 °C up to +105 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
 | 74404064330 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-LQS SMT Power Inductor | – | – | – | – | – | – | – | – | – | – | – | -40 °C up to +125 °C | – | 6 | 6 | 4.5 | – | – | 6045 | -40 °C up to +125 °C | – | – | – | – | 33 | 1.8 | 2 | 12 | – | – | – | – | – | – | ||
 | 885012206027 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 10 V(DC) | – | – | – | – | – | 2.2 µF | 10 | – | – | – | 0.05 GΩ | – | – | 1.6 | 0.8 | 0.8 | 7" Tape & Reel | ±10% | 0603 | -55 °C up to +125 °C | – | 10 | X7R Class II | 0.4 | – | – | – | – | – | – | – | – | – | – | ||
| 885012206056 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | – | 330 pF | 25 | – | – | – | 10 GΩ | – | – | 1.6 | 0.8 | 0.8 | 7" Tape & Reel | ±10% | 0603 | -55 °C up to +125 °C | – | 3.5 | X7R Class II | 0.4 | – | – | – | – | – | – | – | – | – | – | ||
| 885012206076 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | – | 1 µF | 25 | – | – | – | 0.5 GΩ | – | – | 1.6 | 0.8 | 0.8 | 7" Tape & Reel | ±10% | 0603 | -55 °C up to +125 °C | – | 10 | X7R Class II | 0.4 | – | – | – | – | – | – | – | – | – | – | ||
| 885012206083 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | 1 nF | 50 | – | – | – | 10 GΩ | – | – | 1.6 | 0.8 | 0.8 | 7" Tape & Reel | ±10% | 0603 | -55 °C up to +125 °C | – | 2.5 | X7R Class II | 0.4 | – | – | – | – | – | – | – | – | – | – | ||
| 885012206095 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | 100 nF | 50 | – | – | – | 5 GΩ | – | – | 1.6 | 0.8 | 0.8 | 7" Tape & Reel | ±10% | 0603 | -55 °C up to +125 °C | – | 3 | X7R Class II | 0.4 | – | – | – | – | – | – | – | – | – | – | ||
| 885012007034 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | – | 100 pF | 25 | – | – | – | 10 GΩ | – | – | 2 | 1.25 | 0.6 | 7" Tape & Reel | ±5% | 0805 | -55 °C up to +125 °C | 1000 | – | NP0 Class I | 0.5 | – | – | – | – | – | – | – | – | – | – | ||
| 885012007051 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | 10 pF | 50 | – | – | – | 10 GΩ | – | – | 2 | 1.25 | 0.6 | 7" Tape & Reel | ±5% | 0805 | -55 °C up to +125 °C | 600 | – | NP0 Class I | 0.5 | – | – | – | – | – | – | – | – | – | – | ||
| 885012207076 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | – | 470 nF | 25 | – | – | – | 1.1 GΩ | – | – | 2 | 1.25 | 1.25 | 7" Tape & Reel | ±10% | 0805 | -55 °C up to +125 °C | – | 3.5 | X7R Class II | 0.5 | – | – | – | – | – | – | – | – | – | – | ||
| 885012207078 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | – | 1 µF | 25 | – | – | – | 0.5 GΩ | – | – | 2 | 1.25 | 1.25 | 7" Tape & Reel | ±10% | 0805 | -55 °C up to +125 °C | – | 5 | X7R Class II | 0.5 | – | – | – | – | – | – | – | – | – | – | ||
| 885012207086 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | 1 nF | 50 | – | – | – | 10 GΩ | – | – | 2 | 1.25 | 0.8 | 7" Tape & Reel | ±10% | 0805 | -55 °C up to +125 °C | – | 2.5 | X7R Class II | 0.5 | – | – | – | – | – | – | – | – | – | – | ||
| 885012207092 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | 10 nF | 50 | – | – | – | 10 GΩ | – | – | 2 | 1.25 | 0.8 | 7" Tape & Reel | ±10% | 0805 | -55 °C up to +125 °C | – | 2.5 | X7R Class II | 0.5 | – | – | – | – | – | – | – | – | – | – | ||
| 885012207093 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | 15 nF | 50 | – | – | – | 10 GΩ | – | – | 2 | 1.25 | 0.8 | 7" Tape & Reel | ±10% | 0805 | -55 °C up to +125 °C | – | 2.5 | X7R Class II | 0.5 | – | – | – | – | – | – | – | – | – | – | ||
| 885012207094 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | 22 nF | 50 | – | – | – | 10 GΩ | – | – | 2 | 1.25 | 0.8 | 7" Tape & Reel | ±10% | 0805 | -55 °C up to +125 °C | – | 2.5 | X7R Class II | 0.5 | – | – | – | – | – | – | – | – | – | – | ||
| 885012207096 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | 47 nF | 50 | – | – | – | 10 GΩ | – | – | 2 | 1.25 | 0.8 | 7" Tape & Reel | ±10% | 0805 | -55 °C up to +125 °C | – | 2.5 | X7R Class II | 0.5 | – | – | – | – | – | – | – | – | – | – | ||
| 885012207098 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | 100 nF | 50 | – | – | – | 5 GΩ | – | – | 2 | 1.25 | 0.8 | 7" Tape & Reel | ±10% | 0805 | -55 °C up to +125 °C | – | 2.5 | X7R Class II | 0.5 | – | – | – | – | – | – | – | – | – | – | ||
| 885012207100 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | 220 nF | 50 | – | – | – | 2.3 GΩ | – | – | 2 | 1.25 | 1.25 | 7" Tape & Reel | ±10% | 0805 | -55 °C up to +125 °C | – | 3 | X7R Class II | 0.5 | – | – | – | – | – | – | – | – | – | – | ||
| 885012208089 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | 220 nF | 50 | – | – | – | 2.3 GΩ | – | – | 3.2 | 1.6 | 0.95 | 7" Tape & Reel | ±10% | 1206 | -55 °C up to +125 °C | – | 2.5 | X7R Class II | 0.6 | – | – | – | – | – | – | – | – | – | – | ||
| 750315757 | SPEC | – | – | Active i| Production is active. Expected lifetime: >10 years. | Power Inductor | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
| 750315759 | SPEC | – | – | Active i| Production is active. Expected lifetime: >10 years. | PFC Inductor | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
| 750315879 | SPEC | – | – | Active i| Production is active. Expected lifetime: >10 years. | Flyback Transformer | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Samples |
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| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Pins (Value) (pcs) | Application | PCB/Cable/Panel | Modularity | Wire Section | C | VR (V (AC)) | Safety Class | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Operating Temperature | 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 | Samples |
|---|