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

Equivalent circuit

VREF

Description

Pch

10 PFC_TONMAX I/O 3.2V to GND PFC_TONMAX

10

Nch

PFC maximum ON time

control

(Connect to ON time control

Pch capacitor)

SGND

VREF

Pch

11 RM_OFFADJ I/O VREF to GND RM_OFFADJ

11

Resonant controller stop

voltage adjustment and

Pch

abnormal latch input

SGND

12 RM_FMIN

I

1.2V

Nch

RM_FMIN

12

VREF

Resonant controller minimum

frequency setting

(Connect to minimum

Pch

frequency control resistor)

SGND

13 RM_SS

VREF to GND

I/O During steady-

state: 2.5V

RM_SS

13

VREF

Pch

Nch

Pch

Resonant controller soft start

and overcurrent timer-latch

setting

(Connect to the capacitor for

soft start)

Nch

SGND

14 RM_CS

15 RM_CSGND

VREF

Pch

I VREF to – 0.3V RM_CS

RM_CSGND

14

15

Resonant controller current

sense input

(Connect to the resistor for

current detection)

Pch

Pch

SGND

Resonant controller current

sense ground

(Connect to the resistor for

current detection)

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