BD7682FJ-LB datasheet(4/31 Pages) ROHM

Part #	BD7682FJ-LB

Description	Low Noise Quasi-Resonant Control DC/DC converter IC for AC/DC Converter

Download	31 Pages

Scroll/Zoom	100%

Manufacturer	ROHM [Rohm]

Direct Link	http://www.rohm.com

Logo

4 / 31 page

4/27

Datasheet

BD768xFJ-LB Series

TSZ02201-0F1F0A200050-1-2

29.Jun.2016. Rev.002

www.rohm.com

TSZ22111・15・001

Electrical Characteristics – continued (unless otherwise noted, Ta = 25 °C, VCC=24 V)

Parameter

Symbol

Specifications

Unit

Conditions

MIN

TYP

MAX

[DCDC Converter Block (Turn OFF)]

FB Pin pull-up Resistance

RFB

15

20

25

kΩ

CS Over-Current Sensor Voltage 1A

VLIM1A

0.950

1.000

1.050

V

FB=2.2V (IZT>-1mA)

CS Over-Current Sensor Voltage 1B

VLIM1B

0.620

0.700

0.780

V

FB=2.2V (IZT<-1mA)

CS Over-Current Sensor Voltage 2A

VLIM2A

0.200

0.300

0.400

V

FB=0.6V (IZT>-1mA)

CS Over-Current Sensor Voltage 2B

VLIM2B

0.140

0.210

0.280

V

FB=0.6V (IZT<-1mA)

CS Switching ZT Current

IZT

0.900

1.000

1.100

mA

CS Leading Edge Blanking Time

tLEB

-

0.250

-

µs

Minimum ON Width

tMIN

-

0.500

-

µs

[DCDC Converter Block (Turn ON)]

Maximum Operating Frequency 1

fSW1

106

120

134

kHz

FB=2.0V

Maximum Operating Frequency 2

fSW2

20

30

40

kHz

FB=0.5V

Frequency Reduction Start FB Voltage

VFBSW1

1.100

1.250

1.400

V

Frequency Reduction End FB Voltage 1

VFBSW2

0.400

0.500

0.600

V

Frequency Reduction End FB Voltage 2

VFBSW3

-

0.550

-

V

Voltage Gain

AVCS

1.700

2.000

2.300

V/V

⊿VFB/⊿VCS

ZT Comparator Voltage 1

VZT1

60

100

140

mV

ZT fall

ZT Comparator Voltage 2

VZT2

120

200

280

mV

ZT rise

ZT Trigger Mask Time

tZTMASK

0.25

0.60

0.95

µs

For noise prevention

after OUT H ⇒L

ZT Trigger Timeout Period 1

tZTOUT

8.0

15.0

24.0

µs

Count from final ZT

trigger (1-stage)

ZT Trigger Timeout Period 2

tZTOUT2

2.0

5.0

8.0

µs

Count from final ZT

trigger (2-stage)

Maximum ON Time

tZTON

27.0

45.0

62.0

µs

[DCDC Protection Functions]

Soft Start Time 1

tSS1

0.600

1.000

1.400

ms

Soft Start Time 2

tSS2

2.400

4.000

5.600

ms

FB OLP Voltage 1

VFOLP1

2.500

2.800

3.100

V

FB rise

FB OLP Voltage 2

VFOLP2

2.300

2.600

2.900

V

FB fall

FB OLP Timer

tFOLP

90

128

166

ms

ZT OVP Voltage

VZTL

3.250

3.500

3.750

V

[OUT Pin]

OUT Pin Clamp Voltage

VOUT

16.00

18.00

20.00

V

OUT pin Nch MOS Ron

RNOUT

2.0

4.5

9.0

Ω

[MASK Pin]

MASK Pin Delay Time

tMASK

0.25

0.60

0.95

µs

MASK Pin Ron

RMASK

20

50

80

Ω

Similar Part No. - BD7682FJ-LB

Manufacturer	Part #	Datasheet	Description
Rohm	BD7682FJ-LB	1Mb / 30P	This is the product guarantees long time support in the Industrial market

More results

Similar Description - BD7682FJ-LB

Manufacturer	Part #	Datasheet	Description
Rohm	BM1Q104FJ	1Mb / 29P	Quasi-Resonant Control DC/DC converter IC 5. Jun. 2017 Rev.002
Mitsumi Electronics, Co...	MM3661	48Kb / 4P	The quasi resonant control IC for AC-DC converter
Rohm	BM1Q011FJ	1Mb / 30P	Quasi-Resonant Control type DC/DC Converter IC
	BM1Q00XFJ	1Mb / 29P	Quasi-Resonant Control type DC/DC Converter IC
	BM1050AF-G	2Mb / 51P	Quasi-Resonant Control DC/DC
	BM1C001F	1Mb / 35P	Power Factor Correction and Quasi-Resonant DC/DC converter IC
	BM1C101F	1Mb / 40P	Power Factor Correction and Quasi-Resonant DC/DC converter IC
	BM1C102F	1Mb / 39P	Power Factor Correction and Quasi-Resonant DC/DC converter IC
SHENZHEN FUMAN ELECTRON...	TC3200	147Kb / 3P	Low noise DC/DC converter IC
AiT Semiconductor Inc.	AP8275	863Kb / 15P	QUASI-RESONANT AC-DC CONVERTER WITH INTERNAL HV REV1.0

More results

BD7682FJ-LB Datasheet(PDF) 4 Page - Rohm

BD7682FJ-LB Datasheet(HTML) 4 Page - Rohm

Similar Part No. - BD7682FJ-LB

Similar Description - BD7682FJ-LB

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

Datasheet Download

Link URL