AN8022L, AN8022SB AC-DC switching power supply control IC are ICs suitable for controlling a switching power supply using primary side control method. Those are most suited for a switching power supply of relatively small capacity. Less frequently used func- tions are removed, and only the necessary minimum func- tions 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 de- creasing the peripheral parts.
The AN8022L and AN8022SB are integrated circuits designed for controlling switching power supplies using the primary side control method. They are optimized for relatively small capacity power supplies, featuring compact designs with internal settings to reduce peripheral components and costs. The ICs operate at control frequencies up to 700 kHz and utilize a totem pole output block capable of directly driving power MOSFETs with a peak current of 1.0 A.
| Control frequency | up to 700 kHz |
|---|---|
| Output rise time | 35 ns |
| Output fall time | 25 ns |
| Maximum Duty | 44% (typical) |
| Operating ambient temperature | -30 to +85 °C |
| Storage temperature | -55 to +150 °C |
| Start voltage | 14.2 V (typical) |
| Packages | 9-pin SIP, 16-pin SOP |
The typical start voltage is 14.2 V.
Yes, it includes a built-in pulse-by-pulse overcurrent protection circuit.
The ICs are available in 9-pin SIP and 16-pin SOP packages.