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Primary edge feedback (PSR)

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AC-DC power management chip

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The AC-DC power management chip product line of Yacheng Micro covers functional products such as primary side feedback, secondary side feedback, synchronous rectification, etc. It achieves fast current switching and control through built-in or external power devices, and the entire product line meets the sixth level energy efficiency standard.

Primary edge feedback (PSR)

Part Number Built - in Power Transistor Package Typical Power(W)/Max(W) Functional characteristics
RM3354DAE 650V/1K2(VDMOS) DIP8 24W/27W Primary - side Feedback, QR Quasi - Resonant, CC/CV Mode
RM3353DE 650V/3K0(VDMOS) DIP7 18W/20W Primary - side Feedback, QR Quasi - Resonant, CC/CV Mode
RM3392SLE 650V/3K0(VDMOS) SOP8 7.5W/12W Primary - side Feedback, QR Quasi - Resonant, CC/CV Mode
RM3362SLE 650V/3K0(VDMOS) SOP8 7.5W/12W Primary - side Feedback, QR Quasi - Resonant, CC/CV Mode
RM3361SHE 650V/4K0(VDMOS) SOP8 7.5W/10W Primary - side Feedback, QR Quasi - Resonant, CC/CV Mode
RM3352SLE 650V/3K0(VDMOS) SOP7 7.5W/12W Primary - side Feedback, QR Quasi - Resonant, CC/CV Mode
RM3391SHE 650V/4K0(VDMOS) SOP8 7.5W/10W Primary - side Feedback, QR Quasi - Resonant, CC/CV Mode
RM3352SE 650V/2K4(SJ) SOP7 12W/15W Primary - side Feedback, QR Quasi - Resonant, CC/CV Mode
RM3350TE Extrapolation SOT23-6 24W/36W Primary - side Feedback, QR Quasi - Resonant, CC/CV Mode
RM3220SA 0.8A/800V SOP7 5W Primary-side Feedback, Integrated High-Voltage BJT, QR Quasi - Resonant, CC/CV Mode
RM3221SA 1.5A/800V SOP7 7.5W Primary-side Feedback, Integrated High-Voltage BJT, QR Quasi - Resonant, CC/CV Mode
RM3222SA 2A/800V SOP7 10W Primary-side Feedback, Integrated High-Voltage BJT, QR Quasi - Resonant, CC/CV Mode
RM3223SA 2.5A/800V SOP7 12W Primary-side Feedback, Integrated High-Voltage BJT, QR Quasi - Resonant, CC/CV Mode
RM3220S 0.8A/800V SOP8 5W Primary-side Feedback, Integrated High-Voltage BJT, QR Quasi - Resonant, CC/CV Mode
RM3221S 1.5A/800V SOP8 7.5W Primary-side Feedback, Integrated High-Voltage BJT, QR Quasi - Resonant, CC/CV Mode
RM3222S 2A/800V SOP8 10W Primary-side Feedback, Integrated High-Voltage BJT, QR Quasi - Resonant, CC/CV Mode
RM3223S 2.5A/800V SOP8 12W Primary-side Feedback, Integrated High-Voltage BJT, QR Quasi - Resonant, CC/CV Mode
RM3220SL 0.8A/800V SOP7 5W Primary-side Feedback, Integrated High-Voltage BJT, QR Quasi - Resonant, CC/CV Mode
RM3221SL 1.5A/800V SOP7 7.5W Primary-side Feedback, Integrated High-Voltage BJT, QR Quasi - Resonant, CC/CV Mode
RM3222SL 2A/800V SOP7 10W Primary-side Feedback, Integrated High-Voltage BJT, QR Quasi - Resonant, CC/CV Mode
RM3223SL 2.5A/800V SOP7 12W Primary-side Feedback, Integrated High-Voltage BJT, QR Quasi - Resonant, CC/CV Mode
RM3222SH 2A/800V SOP8 10W Primary-side Feedback, Integrated High-Voltage BJT, QR Quasi - Resonant, CC/CV Mode
RM3223SH 2.5A/800V SOP8 12W Primary-side Feedback, Integrated High-Voltage BJT, QR Quasi - Resonant, CC/CV Mode
RM3336D 650V/1K6(VDMOS) DIP7 25W/30W Primary-side Feedback, QR Quasi - Resonant, CC/CV Mode
RM3334D 650V/2K2(VDMOS) DIP7 20W/25W Primary-side Feedback, QR Quasi - Resonant, CC/CV Mode
RM3333D 650V/3K0(VDMOS) DIP7 18W/20W Primary-side Feedback, QR Quasi - Resonant, CC/CV Mode
RM3332D 650V/4K0(VDMOS) DIP7 12W/15W Primary-side Feedback, QR Quasi - Resonant, CC/CV Mode
RM3354DC 650V/1K0(SJ) DIP8 25W/30W Primary-side Feedback, QR Quasi - Resonant, CC/CV Mode
RM3353DC 650V/1K6(VDMOS) DIP8 24W/28W Primary-side Feedback, QR Quasi - Resonant, CC/CV Mode
RM3354SHE 650V/950(SJ) SOP8 20W/25W Primary - side Feedback, QR Quasi - Resonant, CC/CV Mode
RM3353DAE 650V/1K6(VDMOS) DIP8 20W/25W Primary - side Feedback, QR Quasi - Resonant, CC/CV Mode
RM3393SE 650V/1K8(VDMOS) SOP8 15W/18W Primary - side Feedback, QR Quasi - Resonant, CC/CV Mode
RM3392SE 650V/2K4(SJ) SOP8 12W/15W Primary - side Feedback, QR Quasi - Resonant, CC/CV Mode
RM3363SE 650V/1K8(VDMOS) SOP8 15W/18W Primary - side Feedback, QR Quasi - Resonant, CC/CV Mode
RM3362SE 650V/2K4(SJ) SOP8 12W/15W Primary - side Feedback, QR Quasi - Resonant, CC/CV Mode
RM3352DE 650V/4K0(VDMOS) DIP8 12W/15W Primary - side Feedback, QR Quasi - Resonant, CC/CV Mode
RM3362SH 650V/2K4(SJ) SOP8 12W/15W Primary-side Feedback, QR Quasi - Resonant, CC/CV Mode
RM3392SH 650V/2K4(SJ) SOP8 12W/15W Primary-side Feedback, QR Quasi - Resonant, CC/CV Mode
RM3392SL 650V/3K0(VDMOS) SOP8 10W/12W Primary-side Feedback, QR Quasi - Resonant, CC/CV Mode
RM3391SH 650V/4K0(VDMOS) SOP8 7.5W/10W Primary-side Feedback, QR Quasi - Resonant, CC/CV Mode
RM3351SX 650V/4K0(VDMOS) SOP7 7.5W/10W Integrated High-Voltage Start-Up, QR Quasi - Resonant, CC/CV Mode
RM3352SX 650V/2K4(SJ) SOP7 12W/15W Integrated High-Voltage Start-Up, QR Quasi - Resonant, CC/CV Mode
RM3351S 650V/4K0(VDMOS) SOP7 7.5W/10W Primary-side Feedback, QR Quasi - Resonant, CC/CV Mode
RM3352SL 650V/3K0(VDMOS) SOP7 7.5W/12W Primary-side Feedback, QR Quasi - Resonant, CC/CV Mode
RM3352S 650V/2K4(SJ) SOP7 12W/15W Primary-side Feedback, QR Quasi - Resonant, CC/CV Mode
RM3353DA 650V/1K6(VDMOS) DIP8 20W/25W Primary-side Feedback, QR Quasi - Resonant, CC/CV Mode
RM3353D 650V/1K6(VDMOS) DIP7 24W/28W Primary-side Feedback, QR Quasi - Resonant, CC/CV Mode
RM3354SH 650V/950(SJ) SOP8 20W/25W Primary-side Feedback, QR Quasi - Resonant, CC/CV Mode
RM3354SA 650V/950(SJ) SOP7 20W/25W Primary-side Feedback, QR Quasi - Resonant, CC/CV Mode
RM3354D 650V/1K0(SJ) DIP7 25W/30W Primary-side Feedback, QR Quasi - Resonant, CC/CV Mode
RM3350T Extrapolation SOT23-6 24W/36W Primary-side Feedback, QR Quasi - Resonant, CC/CV Mode