AC-DC Controller

Primary Side Regulator Controller

Part No. Package Power Switch Power(W) Application Operating Max Frequency (kHz) Operating Green Mode Frequency (kHz) Operating Min Frequency (kHz) UVLO On/Off (V) Control Topology
Protection
  • FB OVP
  • VCC OVP
  • Bulk OVP
  • FB Open/Short
Documents
LD5523E2 SOT-26 MOS >18 Networking 75 25 0.35 16.5 / 7.0
  • PSR
  • QR+CCM
  • Auto
  • Auto
  • -
  • Auto
LD5523A2 SOT-26 MOS >18 Networking 75 25 0.35 16.5 / 7.0
  • PSR
  • QR+CCM
  • Latch
  • Latch
  • -
  • Latch
LD5523K2 SOT-26 MOS >18 Networking 75 25 0.35 16.5 / 7.0
  • PSR
  • QR+CCM
  • Auto
  • Auto
  • Auto
  • Auto
LD5523P2 SOT-26 MOS >30 Networking 130 50 0.35 16.5 / 7.0
  • PSR
  • QR+CCM
  • Auto
  • Auto
  • -
  • Auto

Isolated Green Mode

Part No. Start-UP (µA) UVLO OFF (V) Driving Cap.(mA) Switching Freq.(kHz) Package Freq. Swapping LEB(nS) Application Protection
  • OCP
  • OVP
  • OLP
  • Ext OTP
  • BNO
Documents
LD5537I1 1 7.0 350/-355 100 SOT-26/ DIP-8 Yes 200 Monitor
  • Latch
  • Latch
  • Latch
  • -
  • Yes
LD5537H1 1 7.0 350/-355 65 SOT-26/ DIP-8 Yes 200 Monitor
  • Latch
  • Latch
  • Latch
  • -
  • Yes
LD5537G1 1 7.0 250/-500 65/130 SOT-26/ DIP-8 Yes 200 Monitor
  • Auto
  • Auto
  • Auto
  • -
  • Yes
LD5537E1 1 7.0 380/-450 65 SOT-26/ DIP-8 Yes 200 TV, Monitor
  • Auto
  • Auto
  • Auto
  • -
  • Yes
LD5537B1 1 7.0 350/-355 100 SOT-26/ DIP-8 Yes 200 TV, Monitor
  • Auto
  • Auto
  • Auto
  • -
  • Yes
LD5535E1 1 7.0 380/-450 65 SOT-26/ DIP-8 Yes 200 TV, Monitor
  • Auto
  • Latch
  • Auto
  • -
  • -
LD5523N 1 7.0 350/-355 65 SOT-26/ DIP-8 Yes 275 Networking,Adaptor
  • Auto
  • Auto
  • Auto
  • Auto
  • Yes
LD5523L 1 7.0 380/-450 65/130 SOT-26/ DIP-8 Yes 275 Networking,Adaptor
  • Latch
  • Latch
  • Latch
  • Latch
  • Yes
LD5523K 1 7.0 350/-355 65 SOT-26/ DIP-8 Yes 275 Networking,Adaptor
  • Auto
  • Auto
  • Auto
  • Auto
  • Yes
LD5523J 1 7.0 380/-450 65/130 SOT-26/ DIP-8 Yes 275 Networking,Adaptor
  • Latch
  • Latch
  • Latch
  • Latch
  • Yes
LD5523E1 1 7.0 350/-355 65 SOT-26/ DIP-8 Yes 275 Networking,Adaptor
  • Auto
  • Auto
  • Auto
  • Auto
  • Yes
LD5523D 1 7.0 350/-355 65 SOT-26/ DIP-8 Yes 275 Networking,Adaptor
  • Auto
  • Auto
  • Auto
  • Auto
  • Yes
LD5523C 1 7.0 350/-355 100 SOT-26/ DIP-8 Yes 275 Networking,Adaptor
  • Latch
  • Latch
  • Latch
  • Latch
  • Yes
LD5523B 1 7.0 350/-355 100 SOT-26/ DIP-8 Yes 275 Networking,Adaptor
  • Auto
  • Auto
  • Auto
  • Auto
  • Yes
LD5523 1 7.0 350/-355 65 SOT-26/ DIP-8 Yes 275 Networking,Adaptor
  • Auto
  • Latch
  • Auto
  • Latch
  • Yes
LD5523H 1 7.0 350/-355 65 SOT-26/ DIP-8 Yes 275 Networking,Adaptor
  • Auto
  • Latch
  • Latch
  • Latch
  • Yes
LD5523E 1 7.0 350/-355 65 SOT-26/ DIP-8 Yes 275 Networking,Adaptor
  • Auto
  • Auto
  • Auto
  • Auto
  • Yes
LD5523R 1 7.0 350/-355 65 SOT-26/ DIP-8 Yes 275 Networking,Adaptor
  • Auto
  • Auto
  • Auto
  • Latch
  • Yes
LD5523Q 1 7.0 380/-450 65/130 SOT-26/ DIP-8 Yes 275 Networking,Adaptor
  • Auto
  • Auto
  • Auto
  • Auto
  • Yes
LD5523P 1 7.0 380/-450 65/130 SOT-26/ DIP-8 Yes 275 Networking,Adaptor
  • Auto
  • Latch
  • Auto
  • Latch
  • Yes
LD5525 3 7.5 250/-500 85/65 SOT-26 Yes 350 Networking,Adaptor
  • Auto
  • Auto
  • Auto
  • Auto
  • Yes
LD5530 1 7.5 250/-500 65 SOT-26/ DIP-8 Yes 300 Networking,Adaptor
  • Auto
  • Latch
  • Auto
  • Latch
  • -
LD5530R 1 7.5 250/-500 65 SOT-26/ DIP-8 Yes 300 Networking,Adaptor
  • Auto
  • Auto
  • Auto
  • Latch
  • -
LD5536 1 7.5 250/-500 130 SOT-26 Yes 200 Monitor
  • Auto
  • Latch
  • Auto
  • Latch
  • -
LD5536R 1 7.5 250/-500 130 SOT-26 Yes 200 Monitor
  • Auto
  • Auto
  • Auto
  • Latch
  • -
LD5536S 1 7.5 250/-500 130 SOT-26 Yes 200 Monitor
  • Auto
  • Auto
  • Auto
  • Latch
  • -
LD5537 12 8.6 300/-500 65/130 SOT-26 Yes 250 Networking,Adaptor
  • Auto
  • Auto
  • Auto
  • -
  • Yes
LD5538 1 7.5 300/-500 65/130 SOT-26 Yes 220 Networking,Adaptor
  • Auto
  • Latch
  • Auto
  • Latch
  • -
LD5538R 1 7.5 300/-500 65/130 SOT-26 Yes 220 Networking,Adaptor
  • Auto
  • Auto
  • Auto
  • Latch
  • -
LD7531 20 10.0 300 65 SOT-26/DIP-8 Yes 190 Networking,Adaptor
  • Auto
  • Auto
  • Auto
  • -
  • -
LD7531A 20 10.0 300 65 SOT-26/DIP-8 Yes 190/240 Networking,Adaptor
  • Auto
  • Auto
  • Auto
  • -
  • -
LD7536 20 10.0 300 65 SOT-26/ DIP-8 Yes 230 Networking,Adaptor
  • Auto
  • Latch
  • Auto
  • Latch
  • -
LD7536R 20 8.5 300 65 SOT-26/DIP-8 Yes 230 Networking,Adaptor
  • Auto
  • Auto
  • Auto
  • Latch
  • -
LD7536S 20 8.5 300 65 SOT-26/DIP-8 Yes 230 Networking,Adaptor
  • Auto
  • Auto
  • Auto
  • Latch
  • -
LD7536B 20 8.5 400 100 SOT-26/DIP-8 Yes 230 Networking,Adaptor
  • Auto
  • Latch
  • Auto
  • Latch
  • -
LD7536E 20 8.5 300 65 SOT-26/DIP-8 Yes 230 Networking,Adaptor
  • Auto
  • Auto
  • Auto
  • Auto
  • -
LD7537R 20 8.5 300 65 SOT-26/DIP-8 Yes 230 Networking,Adaptor
  • Auto
  • Auto
  • Auto
  • -
  • Yes
LD7537S 20 8.5 300 65 SOT-26/DIP-9 Yes 230 Networking,Adaptor
  • Auto
  • Auto
  • Auto
  • -
  • Yes
LD7538 14 7.5 250/-500 65 SOT-26/DIP-8 Yes 230 Networking,Adaptor
  • Auto
  • Latch
  • Auto
  • Latch
  • -
LD7538R 14 7.5 250/-500 65 SOT-26/DIP-8 Yes 230 Networking,Adaptor
  • Auto
  • Auto
  • Auto
  • Latch
  • -
LD7539 14 7.5 250/-500 65 SOT-26/DIP-8 Yes 230 Networking,Adaptor
  • Auto
  • Latch
  • Auto
  • Latch
  • Yes
LD7539R 14 7.5 250/-500 65 SOT-26/DIP-8 Yes 230 Networking,Adaptor
  • Auto
  • Auto
  • Auto
  • Latch
  • Yes
LD7539H 14 7.5 250/-500 65 SOT-26/DIP-8 Yes 230 Networking
  • Latch
  • Latch
  • Latch
  • Latch
  • Yes
LD7539C 14 8.2 250/-500 65 SOT-26/DIP-8 Yes 230 Networking
  • Auto
  • Auto
  • Auto
  • Auto
  • Yes
LD7539E 14 8.5 250/-600 63/67 SOT-26 Yes 230 Networking
  • Auto
  • Auto
  • Auto
  • Auto
  • Yes

Isolated High Volt. Green Mode

Part No. UVLO OFF (V) Driving Cap.(mA) Switching Freq.(kHz) Package Freq. Swapping LEB(nS) HV Current Source for VCC Startup (mA) Application Protection
  • OCP
  • OVP
  • OLP
  • Ext OTP
  • BNO
Documents
LD5760 7.0 300/-800 65 SOP-7/8 Yes 300 2.8 Adaptor
  • Auto
  • Auto
  • Auto
  • Latch
  • Yes
LD5760T 7.0 300/-800 130 SOP-7/8 Yes 300 2.8 Monitor,Adaptor
  • Auto
  • Auto
  • Auto
  • -
  • Yes
LD5760A 7.0 300/-800 65 SOP-7/8 Yes 300 2.8 Adaptor
  • Auto
  • Latch
  • Auto
  • Latch
  • Yes
LD5760E 7.0 300/-800 65 SOP-7/8 Yes 300 2.8 Adaptor
  • Auto
  • Auto
  • Auto
  • Auto
  • Yes
LD5760H 7.0 300/-800 65 SOP-7/8 Yes 300 2.8 Adaptor
  • Latch
  • Latch
  • Latch
  • Latch
  • Yes
LD5761 7.0 300/-800 65/100 SOP-7/8 Yes 300 2.9 Adaptor
  • Latch
  • Latch
  • Latch
  • Latch
  • Yes
LD5761B 7.0 300/-800 65/100 SOP-7/8 Yes 300 2.9 Adaptor
  • Auto
  • Latch
  • Auto
  • Latch
  • Yes
LD5762P 6.0 300/-800 65/130 SOP-7/8 Yes 300 2.8 Printer
  • Latch
  • Latch
  • Latch
  • Latch
  • Yes
LD5762Q 6.0 300/-800 65/130 SOP-7/8 Yes 300 2.8 Printer
  • Auto
  • Auto
  • Auto
  • Auto
  • Yes
LD5762E 6.0 300/-800 65 SOP-7/8 Yes 300 2.8 Printer
  • Auto
  • Auto
  • Auto
  • Auto
  • Yes
LD5762A 6.0 300/-800 65 SOP-7/8 Yes 300 2.8 Printer
  • Auto
  • Latch
  • Auto
  • Latch
  • Yes
LD5762H 6.0 300/-800 65 SOP-7/8 Yes 300 2.8 Printer
  • Latch
  • Latch
  • Latch
  • Latch
  • Yes
LD5762L 6.0 300/-800 65/130 SOP-7 Yes 300 2.8 Printer
  • Latch
  • Latch
  • Latch
  • Latch
  • Yes
LD5762W 6.0 300/-800 65 SOP-7 Yes 300 2.8 Printer
  • Auto
  • Auto
  • Auto
  • Auto
  • Yes
LD5762K 6.0 300/-800 65/130 SOP-7 Yes 360 2.8 Printer
  • Auto
  • Auto
  • Auto
  • Auto
  • Yes
LD5762S 6.0 300/-800 65/130 SOP-7 Yes 380 2.8 Printer
  • Latch
  • Latch
  • Latch
  • Latch
  • Yes
LD7575 10.0 500 65 SOP-8/ DIP-8 Yes 350 1.0 Monitor
  • Auto
  • Auto
  • Auto
  • -
  • -
LD7575A 10.0 500 65 SOP-8/DIP-8 Yes 200 1.0 Monitor
  • Auto
  • Auto
  • Auto
  • -
  • -
LD7575B 10.0 500 65 SOP-8/DIP-8 Yes 220 1.0 Monitor
  • Auto
  • Auto
  • Auto
  • -
  • -
LD7576 10.0 500 65 SOP-8 Yes 230 1.0 Monitor,Adaptor
  • Auto
  • Auto
  • Auto
  • -
  • -
LD7576A 10.0 500 65 SOP-7/8/ DIP-8 Yes 230 1.0 Monitor,Adaptor
  • Auto
  • Auto
  • Auto
  • -
  • -
LD7750 10.0 500 65 SOP-7/8/ DIP-8 Yes 250 1.0 Monitor,Adaptor
  • Auto
  • Auto
  • Auto
  • Latch
  • -
LD7750H 9.0 500 65 SOP-7/8/ DIP-8 Yes 250 1.0 Monitor,Adaptor
  • Latch
  • Latch
  • Latch
  • Latch
  • -
LD7750B 9.0 500 100 SOP-7/8/ DIP-8 Yes 250 1.0 Monitor
  • Auto
  • Latch
  • Auto
  • Latch
  • -
LD7750E 10.0 500 65 SOP-7/8/ DIP-8 Yes 250 1.0 Monitor,Adaptor
  • Auto
  • Auto
  • Auto
  • Auto
  • -
LD7750R 10.0 500 65 SOP-7/8/ DIP-8 Yes 250 1.0 Monitor,Adaptor
  • Auto
  • Auto
  • Auto
  • Latch
  • -
LD7751 9.0 500 65 SOP-7/ DIP-8 Yes 250 1.0 Monitor,Adaptor
  • Auto
  • Auto
  • Auto
  • -
  • -
LD7752 8.0 250/-500 65 SOP-7/8/ DIP-8 Yes 250 1.3 Monitor,Adaptor
  • Auto
  • Auto
  • Auto
  • -
  • -
LD7752B 8.0 250/-500 100 SOP-7/8 Yes 250 1.3 Monitor,Adaptor
  • Auto
  • Auto
  • Auto
  • -
  • -
LD7790 8.0 500/-1200 250/85 SOP-16 Yes 250/350 3.0 Monitor,Adaptor
  • Auto
  • Auto
  • Auto
  • Latch
  • Yes
LD7791 8.0 500/-1200 250/85 SOP-16 Yes 250/350 3.0 Monitor,Adaptor
  • Auto
  • Auto
  • Auto
  • Latch.
  • Yes
LD7791A 8.0 500/-1200 250/85 SOP-16 Yes 250/350 3.0 Monitor,Adaptor
  • Auto
  • Latch
  • Auto
  • Latch.
  • Yes
LD7791B 8.0 500/-1200 250/85 SOP-16 Yes 250/350 3.0 Monitor,Adaptor
  • Latch
  • Latch
  • Latch
  • Latch
  • Yes
LD7791C 8.0 500/-1200 250/85 SOP-16 Yes 250/350 3.0 TV, Monitor,Adaptor
  • Auto
  • Latch
  • Auto
  • Auto
  • Yes
LD5763GS-U 8.5 250/-500 65 SOP-8 Yes 310 3.0 PD/QC,Adaptor
  • Auto
  • Latch
  • Auto
  • Latch
  • Yes
LD5763R1 8.5 250/-500 65 SOP-8 Yes 310 3.0 PD/QC,Adaptor
  • Auto
  • Auto
  • Auto
  • Latch
  • Yes
LD5763E1 8.5 250/-500 65 SOP-8 Yes 310 3.0 PD/QC,Adaptor
  • Auto
  • Auto
  • Auto
  • Auto
  • Yes
LD5763C1 8.5 250/-500 65 SOP-8 Yes 310 3.0 PD/QC,Adaptor
  • Auto
  • Latch
  • Auto
  • Latch
  • Yes
LD5763D1 8.5 250/-500 65 SOP-8 Yes 310 3.0 PD/QC,Adaptor
  • Latch
  • Latch
  • Latch
  • Latch
  • Yes
LD5763S1 8.5 250/-500 65 SOP-8 Yes 310 3.0 PD/QC,Adaptor
  • Auto
  • Latch
  • Auto
  • Latch
  • Yes
LD5763S 8.5 300/-600 65 SOP-8 Yes 270 3.0 PD/QC,Adaptor
  • Auto
  • Latch
  • Auto
  • Latch
  • Yes
LD5763C 8.5 300/-600 65 SOP-8 Yes 270 3.0 PD/QC,Adaptor
  • Auto
  • Latch
  • Auto
  • Latch
  • Yes
LD5763B 8.5 300/-600 100 SOP-8 Yes 270 3.0 PD/QC,Adaptor
  • Auto
  • Latch
  • Auto
  • Latch
  • Yes
LD5763P 8.5 300/-600 65/130 SOP-8 Yes 270 3.0 PD/QC,Adaptor
  • Auto
  • Latch
  • Auto
  • Latch
  • Yes
LD7792 8.0 500/-1200 350/100 SOP-16 Yes 250/350 3.0 TV, Monitor,Adaptor
  • Auto
  • Auto
  • Auto
  • Latch
  • Yes

Synchronous Rectification Driver

Part No. UVLO OFF (V) Package Application Application Operation mode Driving Cap.(A) Self-Supplying Mode Protection
  • Green Mode
  • Dead Time Setting
  • Enable
  • OVP
  • OTP
Documents
LD8526U 2.8 SOT-26 Networking,NB CCM/DCM 0.5/-3 Yes
  • Yes
  • Yes
  • -
  • -
  • Inter.(Auto)
LD8526S 2.8 SOT-26 Networking,NB CCM/DCM 0.5/-3 Yes
  • -
  • Yes
  • -
  • -
  • Inter.(Auto)
LD8526N 2.8 SOT-26 Networking,NB CCM/DCM 0.5/-3 Yes
  • Yes
  • Yes
  • -
  • -
  • Inter.(Auto)
LD8526 2.8 SOT-26 Networking,NB CCM/DCM 0.5/-3 Yes
  • Yes
  • Yes
  • -
  • -
  • Inter.(Auto)
LD8525P 7.5 SOT-26 Networking CCM/DCM 0.5/-3 -
  • Yes
  • Yes
  • -
  • -
  • Inter.(Auto)
LD8525 7.5 SOT-26 Networking CCM/DCM 0.5/-3 -
  • Yes
  • Yes
  • -
  • -
  • Inter.(Auto)
LD8523P 2.8 SOT-26 Networking CCM/DCM 0.2/-3 -
  • Yes
  • Yes
  • -
  • -
  • Inter.(Auto)
LD8523 2.8 SOT-26 Networking CCM/DCM 0.5/-3 -
  • Yes
  • Yes
  • -
  • -
  • Inter.(Auto)
LD8520 7.5 SOT-26 Networking CCM/DCM 1/-1.5 -
  • Yes
  • Yes
  • Yes
  • Auto
  • Inter.(Auto)

Transition Mode PFC Controller

Part No. Start-UP (µA) UVLO OFF (V) Driving Cap.(mA) Switching Freq.(kHz) UVLO ON (V) Freq. Swapping LEB(nS) Package (RoHS/ Green) Application Protection
  • OLP
  • OTP
  • BNO
  • OVP
Documents
LD7592S 1 7.5 900 Variable 12 Yes 350 SOP-8/ DIP-8 TV, Monitor
  • -
  • Inter.(Auto)
  • -
  • Auto
LD7592 1 7.5 900 Variable 12 Yes 350 SOP-8/ DIP-8 TV, Monitor
  • -
  • Inter.(Auto)
  • -
  • Auto
LD7591S 30 8.5 800 Variable 12 Yes 250 SOP-8/ DIP-8 TV, Monitor
  • -
  • Inter.(Auto)
  • -
  • Auto
LD7591 30 8.5 800 Variable 12 Yes 250 SOP-8/ DIP-8 TV, Monitor
  • -
  • Inter.(Auto)
  • -
  • Auto
LD7591T 30 8.5 800 Variable 12 Yes 250 SOP-8/ DIP-8 TV, Monitor
  • -
  • Inter.(Auto)
  • -
  • Auto