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Digital Adaptive Multi-Mode SR Controllers
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Applications
Synchronous-rectification controllers replace conventional diode rectification with a synchronous-rectification MOSFET, using digital adaptive algorithms to dynamically adjust switching timing across multiple operating modes, reducing rectification loss and raising power-supply efficiency.
- Supported operating modes (CCM/DCM/QR, etc.) must cover the target power supply's actual operating range
- The adaptive algorithm's response speed affects rectification efficiency and reliability during load transients
- Drive capability matched to the external power MOSFET determines the actual rectification-loss reduction achieved
- Open-loop/reverse-current protection matters for safety under light-load or no-load conditions
AI Selection Assistant · Digital Adaptive Multi-Mode SR Controllers
TrialHYASIC
- Supported Operating Modes
- CCM/
QR / DCM - Green Mode
- -
- Drain Sensing
- 130
- Min. Turn-On
- 0.9
- Min. Turn-Off
- 2.50
- Turn-On Delay
- 26
HYASIC
- Supported Operating Modes
- CCM/
QR / DCM - Green Mode
- -
- Drain Sensing
- 130
- Min. Turn-On
- 0.9
- Min. Turn-Off
- 1.25
- Turn-On Delay
- 26
HYASIC
- Supported Operating Modes
- CCM/
QR / DCM - Green Mode
- -
- Drain Sensing
- 150
- Min. Turn-On
- 0.8
- Min. Turn-Off
- 2.0
- Turn-On Delay
- 26
HYASIC
- Supported Operating Modes
- CCM/
QR / DCM - Green Mode
- -
- Drain Sensing
- 150
- Min. Turn-On
- 0.8
- Min. Turn-Off
- 0.2
- Turn-On Delay
- 26
HYASIC
- Supported Operating Modes
- CCM/
QR / DCM - Green Mode
- √
- Drain Sensing
- 150
- Min. Turn-On
- 0.8
- Min. Turn-Off
- 0.2
- Turn-On Delay
- 26
HYASIC
- Supported Operating Modes
- CCM/
QR / DCM - Green Mode
- -
- Drain Sensing
- 150
- Min. Turn-On
- 0.50
- Min. Turn-Off
- 0.3
- Turn-On Delay
- 26
HYASIC
- Supported Operating Modes
- CCM/
QR / DCM - Green Mode
- -
- Drain Sensing
- 150
- Min. Turn-On
- 1.00
- Min. Turn-Off
- 2.5
- Turn-On Delay
- 26
HYASIC
- Supported Operating Modes
- CCM/
QR / DCM - Green Mode
- -
- Drain Sensing
- 150
- Min. Turn-On
- 1.00
- Min. Turn-Off
- 0.3
- Turn-On Delay
- 26
HYASIC
- Supported Operating Modes
- -
- Green Mode
- -
- Drain Sensing
- 150
- Min. Turn-On
- 0.70
- Min. Turn-Off
- 0.3
- Turn-On Delay
- 26
| Brand | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
 HY905M | HYASIC | CCM/QR /DCM | - | 130 | 0.9 | 2.50 | 26 | 25 | −150 | −50 | SOT23-6L |
| HY906M | HYASIC | CCM/QR /DCM | - | 130 | 0.9 | 1.25 | 26 | 25 | −150 | −50 | SOT23-6L |
| HY913B | HYASIC | CCM/QR /DCM | - | 150 | 0.8 | 2.0 | 26 | 10 | −180 | −50 | SOT23-6L |
| HY913C | HYASIC | CCM/QR /DCM | - | 150 | 0.8 | 0.2 | 26 | 10 | −180 | −50 | SOT23-6L |
| HY913S | HYASIC | CCM/QR /DCM | √ | 150 | 0.8 | 0.2 | 26 | 10 | −150 | −50 | SOT23-6L |
| HY923A | HYASIC | CCM/QR /DCM | - | 150 | 0.50 | 0.3 | 26 | 10 | −150 | −52 | SOT23-6L |
| HY923B | HYASIC | CCM/QR /DCM | - | 150 | 1.00 | 2.5 | 26 | 10 | −150 | −52 | SOT23-6L |
| HY923C | HYASIC | CCM/QR /DCM | - | 150 | 1.00 | 0.3 | 26 | 10 | −150 | −52 | SOT23-6L |
| HY923D | HYASIC | - | - | 150 | 0.70 | 0.3 | 26 | 10 | −150 | −52 | SOT23-6L |