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ROHM BD7682FJ-LB | Demoboard BD7682FJ-EVK-301
Low Noise Quasi-Resonant Control DC/DC converter IC for AC/DC Converter
Overview
| Topology | Flyback Converter |
| Input voltage | 210-480 V |
| Switching frequency | 90-120 kHz |
| Output 1 | 12 V / 3 A |
| IC revision | 001 |
Description
This is the product guarantees long time support in theIndustrial market.BD768xFJ series is a Quasi-resonant controller typeDC/DC converters that provide an optimum system forall products that include an electrical outlet.Quasi-resonant operation enables soft switching andhelps to keep EMI low. Design with a high degree offlexibility is achieved with switching MOSFETs andcurrent detection resistors as external devices.The built-in brown out function monitors the inputvoltage as part of system optimization. The burst modefunction reduces input power at low power.BD768xFJ series include various protection functions,such as a soft start function, burst function, per-cycleover-current limiter function, overvoltage protectionfunction, overload protection function, and brown outfunction.BD768xFJ series include a gate-clamp circuit foroptimal driving SIC-MOSFET.
Features
- Pin 8 : SOP-J8 Package (6.00mm × 4.90mm : 1.27mm pitch [TYP] )
- Quasi-resonant type (low EMI)
- Frequency reduction mode
- Low current consumption (19µA), during standby
- Low current consumption when no load (burst operation when light load)
- Maximum frequency (120kHz)
- CS Pin Leading-Edge Blanking
- VCC UVLO (Under Voltage Drop Out protection)
- VCC OVP (Over Voltage Protection)
- Per-cycle over-current protection circuit
- Soft start
- ZT trigger mask function
- Voltage protection function (brown out)
- ZT OVP (Over Voltage Protection)
- Gate-clamp circuit
Typical applications
- Household appliances
- Industrial equipment
- AC Adaptor
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | Pins | PCB/Cable/Panel | Modularity | Type | Wire Section | C | Tol. C | VR(V (DC)) | Size | Operating Temperature | Q(%) | DF(%) | RISO | Ceramic Type | L(mm) | W(mm) | H(mm) | Fl(mm) | Packaging | Endurance(h) | IRIPPLE(mA) | ILeak(µA) | Pitch(mm) | Ø D(mm) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WR-TBL Series 2196 - 10.16 mm Horiz. Entry Modular, 2, Rising Cage Clamp | Simulation– | Downloads6 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-TBL Series 2196 - 10.16 mm Horiz. Entry Modular | Pins2 | PCB/Cable/PanelPCB | ModularityYes | TypeHorizontal | Wire Section 8 to 22 (AWG) 8.37 to 0.326 (mm²) | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | – | – | – | Length20.32 mm | – | – | – | PackagingBox | – | – | – | Pitch10.16 mm | – | ||
 | WR-TBL Series 102 - 5.00 mm Horizontal Entry Modular, 2, Wire Protector | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-TBL Series 102 - 5.00 mm Horizontal Entry Modular | Pins2 | PCB/Cable/PanelPCB | ModularityYes | TypeHorizontal | Wire Section 22 to 14 (AWG) 0.75 to 1.5 (mm²) | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | – | – | – | Length10 mm | – | Height10 mm | – | PackagingBox | – | – | – | Pitch5 mm | – | |||
 | WCAP-ATLI Aluminum Electrolytic Capacitors, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ATLI Aluminum Electrolytic Capacitors | – | – | – | – | – | Capacitance470 µF | Capacitance±20% | Rated Voltage35 V (DC) | – | – | – | Dissipation Factor9 % | – | – | Length20 mm | – | – | – | PackagingAmmopack | Endurance 5000 | Ripple Current1850 mA | Leakage Current164.5 µA | Pitch5 mm | Diameter10 mm | ||||
 | WCAP-ATUL Aluminum Electrolytic Capacitors, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ATUL Aluminum Electrolytic Capacitors | – | – | – | – | – | Capacitance22 µF | Capacitance±20% | Rated Voltage50 V (DC) | – | – | – | Dissipation Factor10 % | – | – | Length11 mm | – | – | – | PackagingAmmopack | Endurance 5000 | Ripple Current220 mA | Leakage Current11 µA | Pitch2 mm | Diameter5 mm | ||||
| WCAP-CSGP MLCCs 50 V(DC), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | Capacitance47 pF | Capacitance±5% | Rated Voltage50 V (DC) | Size0805 | Operating Temperature -55 °C up to +125 °C | Q-Factor1000 % | – | Insulation Resistance10 GΩ | Ceramic TypeNP0 Class I | Length2 mm | Width1.25 mm | Height0.6 mm | Pad Dimension0.5 mm | Packaging7" Tape & Reel | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | Capacitance2.2 nF | Capacitance±10% | Rated Voltage50 V (DC) | Size0805 | Operating Temperature -55 °C up to +125 °C | – | Dissipation Factor2.5 % | Insulation Resistance10 GΩ | Ceramic TypeX7R Class II | Length2 mm | Width1.25 mm | Height0.8 mm | Pad Dimension0.5 mm | Packaging7" Tape & Reel | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | Capacitance100 nF | Capacitance±10% | Rated Voltage50 V (DC) | Size0805 | Operating Temperature -55 °C up to +125 °C | – | Dissipation Factor2.5 % | Insulation Resistance5 GΩ | Ceramic TypeX7R Class II | Length2 mm | Width1.25 mm | Height0.8 mm | Pad Dimension0.5 mm | Packaging7" Tape & Reel | – | – | – | – | – | |||||
 | 750316318 | Transformer, –, – | Simulation– | Downloads– | Status Activei| Production is active. Expected lifetime: >10 years. | Product series Transformer | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |