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Overview
| Topology | Flyback Converter |
| Input voltage | 300-900 V |
| Switching frequency | 90-120 kHz |
| Output 1 | 24 V |
| IC revision | 001 |
Description
BD768xFJ series is a Quasi-resonant controller type DC/DC converters that provide an optimum system for all products that include an electrical outlet. Quasi-resonant operation enables soft switching and helps to keep EMI low. Design with a high degree of flexibility is achieved with switching MOSFETs and current detection resistors as external devices. The built-in brown out function monitors the input voltage as part of system optimization. The burst mode function reduces input power at low power. BD768xFJ series include various protection functions, such as a soft start function, burst function, per-cycle over-current limiter function, overvoltage protection function, overload protection function, and brown out function. BD768xFJ series include a gate-clamp circuit for optimal 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
- AC Adaptor
- Industrial equipment
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Application | PCB/Cable/Panel | Modularity | Wire Section | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | Q | DF (%) | RISO | Ceramic Type | L (mm) | W (mm) | Fl (mm) | Endurance (h) | Operating Temperature | IRIPPLE (mA) | ILeak (µA) | Pitch (mm) | Ø D (mm) | Pins (Value) (pcs) | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 691219610002 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-TBL Series 2196 - 10.16 mm Horiz. Entry Modular | Rising Cage Clamp | PCB | Yes | 8 to 22 (AWG) 8.37 to 0.326 (mm²) | – | – | – | – | -40 °C up to +105 °C | – | – | – | – | 20.32 | – | – | – | -40 °C up to +105 °C | – | – | 10.16 | – | 2 | – | – | – | Horizontal | 57 | Box | |
 | 860040672001 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-ATUL Aluminum Electrolytic Capacitors | – | – | – | – | 22 µF | ±20% | 50 | – | – | – | 10 | – | – | 11 | – | – | 5000 | -40 °C up to +105 °C | 220 | 11 | 2 | 5 | – | – | – | – | – | – | Ammopack | ||
| 860040778013 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-ATUL Aluminum Electrolytic Capacitors | – | – | – | – | 470 µF | ±20% | 63 | – | – | – | 9 | – | – | 30 | – | – | 10000 | -40 °C up to +105 °C | 1800 | 296.1 | 5 | 13 | – | – | – | – | – | – | Ammopack | ||
 | 885012007055 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | 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 | 0.5 | – | – | – | – | – | – | – | – | 0.6 | – | – | – | 7" Tape & Reel | ||
| 885012207088 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | 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 | 0.5 | – | – | – | – | – | – | – | – | 0.8 | – | – | – | 7" Tape & Reel | ||
| 885012207098 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | 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 | 0.5 | – | – | – | – | – | – | – | – | 0.8 | – | – | – | 7" Tape & Reel | ||
 | 61300211021 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.54 mm THT Angled Pin Header | – | – | – | – | – | – | – | – | -40 °C up to +105 °C | – | – | 1000 MΩ | – | 5.08 | – | – | – | – | – | – | 2.54 | – | 2 | Single | – | Pin Header | Angled | 3 | Bag | |
 | 860241480001 | SPEC | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-AT1H Aluminum Electrolytic Capacitors | – | – | – | – | 100 µF | ±20% | 450 | 16.0 x 35.5 | – | – | 17 | – | – | 35.5 | – | – | 5000 | -25 °C up to +105 °C | 610 | 1900 | 7.5 | 16 | – | – | – | – | – | – | Ammopack | ||
| 750318219 | SPEC | – | – | Active i| Production is active. Expected lifetime: >10 years. | Flyback Transformer | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 691219610002 | SPEC | – |
| 860040672001 | SPEC | |
| 860040778013 | SPEC | |
| 885012007055 | SPEC | |
| 885012207088 | SPEC | |
| 885012207098 | SPEC | |
| 61300211021 | SPEC | – |
| 860241480001 | SPEC | |
| 750318219 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Application | PCB/Cable/Panel | Modularity | Wire Section | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | Q | DF (%) | RISO | Ceramic Type | L (mm) | W (mm) | Fl (mm) | Endurance (h) | Operating Temperature | IRIPPLE (mA) | ILeak (µA) | Pitch (mm) | Ø D (mm) | Pins (Value) (pcs) | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Samples |
|---|