CXA3809 View Datasheet(PDF) - Sony Semiconductor

Part Name

Description

Manufacturer

CXA3809

AC-DC Controller

Sony Semiconductor 

CXA3809M

Pin

No.

Symbol

I/O

Standard pin

voltage

16 RM_RT

I

(3.5V)

Equivalent circuit

RM_RT

16

VREF

Pch

Pch

SGND

Description

Resonant controller frequency

control

(Connect to the photo coupler

for output feedback)

VCC

17 VREF

O

5.0V

Pch

18 SGND

19 PGND

20 VCC

SGND

—

—

—

—

—

—

21 PFC_OK

VREF

Pch

O VCC to GND

23 AC_DETOUT

Nch

SGND

Nch

Internal supply voltage output

VREF (Connect to the capacitor for

17 stabilization)

Nch

—

Signal ground

—

Driver ground

—

Power supply input

VCC

PFC-OK signal output

Pch

PFC_OK

AC_DETOUT

21

23

Nch

PGND

AC off detect signal output

22 RM_OUTN

O VCC to GND

24 RM_OUTP

VCC

RM_OUTN

Pch

RM_OUTP

22

24

Nch

PGND

Resonant controller Low-side

MOSFET driver output

(Connect to the drive

transformer)

Resonant controller High-side

MOSFET driver output

(Connect to the drive

transformer)

-9-

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