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reference designBD7682FJ-LB | Demoboard BD7682FJ-EVK-302

ROHM BD7682FJ-LB | Demoboard BD7682FJ-EVK-302

100 W Auxiliary Power Supply Eval Board

Overview

TopologyFlyback Converter
Input voltage300-900 V
Switching frequency90-120 kHz
Output 124 V
IC revision001

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

  • Industrial equipment
  • Household appliances
  • AC Adaptor

More information

Products

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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)
Mount
IR(A)
Working Voltage(V (AC))
SamplesAvailability & Sample
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61300211021
SPECWR-PHD Pin Header - Single, 2, –

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

Simu­lation–
Availability
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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-PHD Pin Header - Single
Pins2 
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TypeAngled 
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Operating Temperature -40 °C up to +105 °C
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Insulation Resistance1000 MΩ
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Length5.08 mm
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PackagingBag 
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Pitch2.54 mm
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MountTHT 
Rated Current3 A
Working Voltage250 V (AC)
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691219610002
SPECWR-TBL Series 2196 - 10.16 mm Horiz. Entry Modular, 2, Rising Cage Clamp
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Downloads6 files

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CAD files ZIP

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)
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Operating Temperature -40 °C up to +105 °C
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Length20.32 mm
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PackagingBox 
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Pitch10.16 mm
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MountTHT 
Rated Current57 A
Working Voltage300 V (AC)
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860040672001
SPECWCAP-ATUL Aluminum Electrolytic Capacitors, –, –
Simu­lation
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Downloads8 files

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Download all 8 files as zip archive
ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-ATUL Aluminum Electrolytic Capacitors
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–
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Capacitance22 µF
Capacitance±20% 
Rated Voltage50 V (DC)
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Dissipation Factor10 %
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Length11 mm
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–
PackagingAmmopack 
Endurance 5000
Ripple Current220 mA
Leakage Current11 µA
Pitch2 mm
Diameter5 mm
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–
–
–Check availability
860040778013
SPECWCAP-ATUL Aluminum Electrolytic Capacitors, –, –
Simu­lation
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–
Downloads8 files

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ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-ATUL Aluminum Electrolytic Capacitors
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Capacitance470 µF
Capacitance±20% 
Rated Voltage63 V (DC)
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Dissipation Factor9 %
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Length30 mm
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PackagingAmmopack 
Endurance 10000
Ripple Current1800 mA
Leakage Current296.1 µA
Pitch5 mm
Diameter13 mm
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885012007055
SPECWCAP-CSGP MLCCs 50 V(DC), –, –
Simu­lation
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Downloads9 files

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ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 50 V(DC)
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–
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Capacitance47 pF
Capacitance±5% 
Rated Voltage50 V (DC)
Size0805 
Operating Temperature -55 °C up to +125 °C
Q-Factor1000 
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Insulation Resistance10 GΩ
Ceramic TypeNP0 Class I 
Length2 mm
Width1.25 mm
Height0.6 mm
Pad Dimension0.5 mm
Packaging7" Tape & Reel 
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–Check availability
885012207088
SPECWCAP-CSGP MLCCs 50 V(DC), –, –
Simu­lation
Availability
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Downloads9 files

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ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 50 V(DC)
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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 
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–Check availability
885012207098
SPECWCAP-CSGP MLCCs 50 V(DC), –, –
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Availability
–
Downloads9 files

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ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 50 V(DC)
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–
–
–
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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 
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–Check availability
860241480001
SPECWCAP-AT1H Aluminum Electrolytic Capacitors, –, –
Simu­lation
Availability
–
Downloads7 files

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Download all 7 files as zip archive
ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-AT1H Aluminum Electrolytic Capacitors
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–
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Capacitance100 µF
Capacitance±20% 
Rated Voltage450 V (DC)
Size16.0 x 35.5 
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Dissipation Factor17 %
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Length35.5 mm
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PackagingAmmopack 
Endurance 5000
Ripple Current610 mA
Leakage Current1900 µA
Pitch7.5 mm
Diameter16 mm
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–
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750318219
SPECFlyback Transformer, –, –
Simu­lation–
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Status Activei| Production is active. Expected lifetime: >10 years.
Product series Flyback Transformer
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