Buck PWM Switch Controller

Product Number

Max Pout(W)

Oper. Freq.

MOSFET Vds

RDS (on)

Freq. Shuffling

Standby Power

Power on Soft-start

Max Vdd

OUT Voltage range

OTP

SPP

Package

Download

LY1221

3.0W

30KHz

>500V

25Ω

Y

<300mW

Y

23V

9-23V

Y

A

SOP-7

NEW

LY1223

5.0W

30KHz

>500V

15Ω

Y

<300mW

Y

23V

9-23V

Y

A

SOP-7

NEW

LY1224

8.0W

30KHz

>500V

15Ω

Y

<300mW

Y

23V

9-23V

Y

A

DIP-7

NEW

LY1225

12.0W

30KHz

>500V

9Ω

Y

<300mW

Y

23V

9-23V

Y

A

DIP-7

NEW