AN8027 Datasheet (Panasonic Semiconductor) - AC-DC switching power supply controller

AN8027, AC-DC switching power supply controller

7. local resonance operation" section in the application notes. 2 1 s Applications * Televisions, VCRs, facsimiles, and printers 30° 3 2.54 9 1 AN8027, AN8037 s Block Diagram 7 V CC Voltage Regulators OVP SD 8 Timer 3.8 V S R (SD latch) Q INIT Start Stop VREF 7.1 V 0.5 V C

Voltage Regulators AN8027, AN8037 AC-DC switching power supply control IC with standby mode s Overview The AN8027 and AN8037 are ICs developed for selfexcited switching regulator of RCC local resonance control type.
These ICs are designed to achieve stability and high efficiency over a wide input voltage range and loads range (light loads to heavy loads), for supporting input levels used worldwide and improved conformance with energy conservation laws.
2.4±0.25 6.0±0.3 3.3±0.25 Unit: mm 8 0.5

AN8027 Features

* Support improved conformance with energy conservation laws by providing two operating modes. 0.3 +0.1

* 0.05

* Standby mode (light loads): 3.0±0.3 Achieves better efficiency due to reduced frequency .

* Normal mode: SIP009-P-0000C Achieves high efficiency in RCC loc