UCC24610 - 二次侧同步整流器控制器

UCC24610是TI德州仪器公司的一款同步整流器产品，UCC24610是二次侧同步整流器控制器，本站介绍了UCC24610的封装应用图解、特点和优点、功能等，并给出了与UCC24610相关的TI元器件型号供参考。

UCC24610 - 二次侧同步整流器控制器 - 同步整流器 - 离线隔离型DC/DC控制器和转换器 - 德州仪器

产品特性

Secondary-Side Controller Optimized for 5-V Systems
Up to 600-kHz Operating Frequency
VDS MOSFET-Sensing
1.6-Ω Sink, 2.0-Ω Source Gate-Drive Impedances
Micro-Power Sleep Current for 90+ Designs
Automatic Light-Load Management
Synchronous Wake-Up From Sleep and Light-Load Modes
Protection Features on Programming Inputs
SYNC Input for CCM Operation
20-ns Typical Turnoff Propagation Delay
Improved Efficiency and Design Flexibility Over Traditional Diode Solution
May Be Biased Directly From 5-V Output
Minimal Component Count

产品应用

AC-to-DC 5-V Adapters
5-V Bias Supplies
Low Voltage Rectification Circuits
Flyback and LLC Converters

产品说明

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.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
UCC24610DRB	SON (8)	3.00 mm × 3.00 mm
UCC24610D	SOIC (8)	4.90 mm × 3.91 mm

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