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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
- Industrial equipment
- Household appliances
- AC Adaptor
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Product series | Pins | Application | 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) | Operating Temperature | IRIPPLE (mA) | ILeak (µA) | Pitch (mm) | Ø D (mm) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 691219610002 | SPEC | – | 6 files | WR-TBL Series 2196 - 10.16 mm Horiz. Entry Modular | 2 | Rising Cage Clamp | PCB | Yes | Horizontal | 8 to 22 (AWG) 8.37 to 0.326 (mm²) | – | – | – | – | -40 °C up to +105 °C | – | – | – | – | 20.32 | – | – | – | Box | – | -40 °C up to +105 °C | – | – | 10.16 | – | |
 | 691102710002 | SPEC | – | 6 files | WR-TBL Series 102 - 5.00 mm Horizontal Entry Modular | 2 | Wire Protector | PCB | Yes | Horizontal | 22 to 14 (AWG) 0.75 to 1.5 (mm²) | – | – | – | – | -40 °C up to +105 °C | – | – | – | – | 10 | – | 10 | – | Box | – | – | – | – | 5 | – | |
 | 860080575017 | SPEC | 7 files | WCAP-ATLI Aluminum Electrolytic Capacitors | – | – | – | – | – | – | 470 µF | ±20% | 35 | – | – | – | 9 | – | – | 20 | – | – | – | Ammopack | 5000 | -55 °C up to +105 °C | 1850 | 164.5 | 5 | 10 | ||
 | 860040672001 | SPEC | 7 files | WCAP-ATUL Aluminum Electrolytic Capacitors | – | – | – | – | – | – | 22 µF | ±20% | 50 | – | – | – | 10 | – | – | 11 | – | – | – | Ammopack | 5000 | -40 °C up to +105 °C | 220 | 11 | 2 | 5 | ||
 | 885012007055 | SPEC | 8 files | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | 47 pF | ±5% | 50 | 0805 | -55 °C up to +125 °C | 1000 | – | 10 GΩ | NP0 Class I | 2 | 1.25 | 0.6 | 0.5 | 7" Tape & Reel | – | – | – | – | – | – | ||
| 885012207088 | SPEC | 8 files | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | 2.2 nF | ±10% | 50 | 0805 | -55 °C up to +125 °C | – | 2.5 | 10 GΩ | X7R Class II | 2 | 1.25 | 0.8 | 0.5 | 7" Tape & Reel | – | – | – | – | – | – | ||
| 885012207098 | SPEC | 8 files | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | 100 nF | ±10% | 50 | 0805 | -55 °C up to +125 °C | – | 2.5 | 5 GΩ | X7R Class II | 2 | 1.25 | 0.8 | 0.5 | 7" Tape & Reel | – | – | – | – | – | – | ||
 | 750316318 | SPEC | – | – | Transformer | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 691219610002 | SPEC | – |
| 691102710002 | SPEC | – |
| 860080575017 | SPEC | |
| 860040672001 | SPEC | |
| 885012007055 | SPEC | |
| 885012207088 | SPEC | |
| 885012207098 | SPEC | |
| 750316318 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Product series | Pins | Application | 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) | Operating Temperature | IRIPPLE (mA) | ILeak (µA) | Pitch (mm) | Ø D (mm) | Samples |
|---|