AN8021SB - AC-DC switching power supply controller

Panasonic Semiconductor

Datasheet Details

Part number	AN8021SB
Manufacturer	Panasonic Semiconductor
File Size	141.25 KB
Description	AC-DC switching power supply controller
Datasheet	AN8021SB_PanasonicSemiconductor.pdf

AN8021L Pin No. AN8021SB Pin No. ) 13 CT Pin No.

It operates at a control frequency up to 700 kHz, realizing the output rise time of 35 ns and the output fall time of 25 ns.
Pre-start operating current is as small as 70 µA (typical) so that it is possible to use a miniaturized start resistor.
Output block employs totem pole method. The absolute maximum rating of ±1.0 A (peak) allows the direct drive of power MOSFET.
Built-in pulse-by-pulse overcurrent protection circuit.
Built-in protection circ.

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Published: Mar 26, 2005 |