B41 TL494 PWM Controller Adjustable Frequency Module

Features:

• Complete PWM power-control circuitry

• Uncommitted outputs for 200-mA sink or source current

• Output control selects single-ended or push-pull operation

• Internal circuitry prohibits double pulse at either output

• Variable dead time provides control over total range

• Internal regulator provides a stable 5-V reference supply with 5% tolerance

• Circuit architecture allows easy synchronization

Parameters:

• Working voltage: DC 7V-40V

• Operating frequency 500Hz-100kHz (adjustable R6)

• Maximum output current: 250mA

• Output voltage: DC 5V

• Size: 26 x 23mm

Applications:

• Desktop PCs

• Microwave ovens

• Power supplies: AC/DC, isolated, with PFC, > 90 W

• Server PSUs

• Solar micro-inverters

• Washing machines: low-end and high-end

• Power supplies: AC/DC, isolated, No PFC, < 90 W

• Smoke detectors

• Solar power inverters