This GREEN Rectifier controller is a high-performance controller and driver for standard and logic-level N-channel MOSFET power devices used for low-voltage secondary-side synchronous rectification.
The combination of controller and MOSFET emulates a near-ideal diode rectifier. This solution not only directly reduces power dissipation of the rectifier but also indirectly reduces primary-side losses as well, due to compounding of efficiency gains.
Using drain-to-source voltage sensing, the UCC24610 is ideal for Flyback and LLC-resonant power supplies but can also be used with other power architectures. The UCC24610 is optimized for output voltages from 4.5 V to 5.5 V, and is suitable for use with lower and higher output voltages as well.
The UCC24610 offers a programmable false-triggering filter, a programmable timer to automatically switch to light-load mode at light load, and a SYNC input for optional use in continuous conduction mode (CCM) systems. Protection features on TON and EN/TOFF pins prevent run-away on-time due to open-circuit or short-circuit fault conditions.
This device is available in an 8-pin SOIC package and an 8-pin, 3.0-mm × 3.0-mm SON package with an exposed thermal pad.
|Frequency (Max) (kHz)|
|UVLO Thresholds On/Off (V)|
|Operating Temperature Range (C)|
|Package Size (mm2=WxL)|
|Approx. Price (US$)|
|SYNC pin for CCM||Compatible with CCM|
|-40 to 125||-40 to 125||-40 to 125|
| SOIC |
| 8SON: 9 mm2: 3 x 3 |
8SOIC: 29 mm2: 6 x 4.9
|6SOT-23: 8 mm2: 2.8 x 2.9||6SOT-23: 8 mm2: 2.8 x 2.9|
|0.75 | 1ku||0.60 | 1ku||0.50 | 1ku|
|Sample & Buy||Sample & Buy||Sample & Buy|