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AP438/9
PWM Fan Speed Controller Features
- Built-in 30Khz OSC provide 0%~100% PWM output - Over Temperature Protector(OTP) flag. (AP439 only). - Open collect output(OTP & PWM pins). - SIP-4L package for AP438. - SIP-5L, SOP-8L package for AP439.
General Descriptions
The AP438/9 series’s PWM output has built-in NPN power transistor ...