Low Noise Quasi-Resonant Control DC/DC converter IC for AC/DC Converter - BD7684FJ-LB
This is the product guarantees long time support in the Industrial market. BD7684FJ-LB 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. BD7684FJ-LB includes 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. BD7684FJ-LB includes a gate-clamp circuit for optimal driving SIC-MOSFET.
| Part Number | Status | Package | Unit Quantity | Minimum Package Quantity | Packing Type | RoHS |
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| BD7684FJ-LBE2 | Active | SOP-J8 | 2500 | 2500 | Taping | Yes |
BD7684FJ-LB Data Sheet
Specifications| FET | - | | Controller Type | QR | | Vin1(Min.)[V] | 15.0 | | Vin1(Max.)[V] | 27.5 | | SW frequency(Max.)[KHz] | 120.0 | | Vcc OVP | Auto Restart | | BR PIN | Yes | | Channel | 1 | | Light Load mode | Yes | | EN | No | | Soft Start | Yes | | Thermal Shut-down | Yes | | Under Voltage Lock Out | Yes | | Operating Temperature (Min.)[°C] | -40 | | Operating Temperature (Max.)[°C] | 105 |
| Technical DocumentsFeatures- 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
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