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AN8021SB - AC-DC switching power supply controller

Datasheet Summary

Description

AN8021L Pin No.

AN8021SB Pin No.

Features

  • 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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Datasheet preview – AN8021SB

Datasheet Details

Part number AN8021SB
Manufacturer Panasonic Semiconductor
File Size 141.25 KB
Description AC-DC switching power supply controller
Datasheet download datasheet AN8021SB Datasheet
Additional preview pages of the AN8021SB datasheet.

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Full PDF Text Transcription

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Voltage Regulators AN8021L, AN8021SB AC-DC switching power supply control IC s Overview The AN8021L and AN8021SB are ICs which are suitable for controlling the switching power supply using primary side control method. Those are most suited for a switching power supply of relatively small capacity. Less frequently used functions are removed and only the necessary minimum functions are incorporated, so that they are compact and very easy to use. Moreover, the internal settings are incorporated as much as possible, thus cost down can be realized by decreasing the peripheral parts. AN8021L 9 0.4±0.25 Unit: mm 8 7 6 21.7±0.3 5 0.5±0.1 2.54 1.2±0.25 4 3 2 1 1.0±0.25 4.3±0.3 0.3 +0.1 –0.05 2.7±0.25 1.4±0.25 1.35±0.
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