Обнаружил замену! · 384x Series Pinout with BiCMOS Technology
· Zero Cross-Conduction Current by Design
· 1MHz Operation · 65ns Maximum Current-Sense Delay
· 120μA Maximum Start-up Current
· 1.5mA Maximum Operating Current
· High Output Current Drive — 1 A, IMP38HC4x — 0.5A, IMP38C4x
· 20V Maximum Supply Voltage
· 2.5V, 1%, Trimmed Error Amplifier Reference
· Trimmed Oscillator Discharge Current
· Pin-for-Pin Enhanced Replacements for Micrel MIC38C/HC4x and GMT38C4x/HC4x
http://www.ds-imp.com.cn/pwm.asp