NCP1582 Datasheet - ON Semiconductor

NCP1582 Low Voltage Synchronous Buck Controller

Pin No. Symbol Description 1 BST Supply rail for the floating top gate driver. To form a boost circuit, use an external diode to bring the desired input voltage to this pin (cathode connected to BST pin). Connect a capacitor (CBST) between this pin and the PHASE pin. Typical values for CBST range.

NCP1582 Features

* include a 0.7 A gate driver and an internally set 350 kHz (NCP1582, NCP1582A) and a 300 kHz (NCP1583) oscillator. The NCP158x also incorporates an externally compensated transconductance error amplifier and a programmable soft

* start function. Protection features include short circuit protect

NCP1582_ONSemiconductor.pdf