BD7690FJ Просмотр технического описания (PDF) - ROHM Semiconductor

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производитель

BD7690FJ

Power Factor Correction Controller IC

ROHM Semiconductor 

BD7690FJ

I/O Equivalence Circuits

1

VS

2

EO

Internal Reg

3

RT

Internal Reg

4

CS

Internal Reg

5

ZCD

6

GND

7

OUT

8

VCC

Figure 21. I/O Equivalence Circuits

Application Example

F1

L1

L

TH1

D1

C3

C1

C2

N

C4

C5

1uF

GND

T1

250uH

RZCDH

100kΩ

RZCDL

20kΩ

D5

M1

RGS1

10kΩ

DOUT

ROUTE

100Ω

RVSH1

1.5MΩ

RVSH2

82kΩ

CEO2 REO

1uF 68kΩ

CEO1

0.47uF

RRT

150kΩ

ROCP1

0.18Ω

RCSF

1kΩ

CVS

1000pF

RVSL

10kΩ

Figure 22. Application Example

RVCC

220Ω

ROUT

15Ω

DVCC

RSTR1

220kΩ

RSTR2

220kΩ

VOUT +

U1

VS

VCC

EO

OUT

BD7690FJ

RT

GND

CS

ZCD

DSTR

DZ1

CO

220uF

CVCC2

50uF

CCSF

100pF

CZCD

N/A

GND

1．Output voltage setting

The output voltage is decided in resistor value of RVSH and RVSL.

Vo _ PFC  1 RVSH  VAMP  1 1582k   2.5V  398V

 RVSL 

 10k 

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TSZ22111 • 15 • 001

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TSZ02201-0F2F0A200280-1-2

27. Mar. 2017 Rev.002

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