现货供pwm控制ic 集成电路 ka7500

1,09年3月，最新批号最新环保无卤升级封装技术等用于仙童的ka7500。

2，公司常备现货热销可快递代收款。

voltage mode pwm
control circuit
description
the utc tl494 incorporates all the functions required in the
construction of a pulse-width modulation switching circuit.
designed primarily for switching power supply control or dc-dc
convectors, it offers the systems engineer the flexibility to tailor
control circuitry to its own application.
features
*complete pwm power control circuitry
*uncommitted outputs for 200ma sink or source current
*output control selects single ended or push pull operation
*internal circuitry prohibits double pulses over total range
*easy synchronization