- 制造厂商：TI
- 产品类别：电源管理
- 技术类目：直流/直流开关稳压器 - 降压稳压器
- 功能描述：高速 3A 同步 MOSFET 驱动器
- 点击这里打开及下载LM2724A的技术文档资料
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The LM2724A is a dual N-channel MOSFET driver which can drive both the top and bottom MOSFETs in a push-pull structure simultaneously. The LM2724A takes a logic input and splits it into two complimentary signals with a typical 20ns dead time in between. The built-in cross-conduction protection circuitry prevents the top and bottom MOSFETs from turning on simultaneously. With a bias voltage of 5V, the peak sourcing and sinking current for each driver of the LM2724A is about 3A. Input UVLO (Under-Voltage-Lock-Out) ensures that all the driver outputs stay low until the supply rail exceeds the power-on threshold during system power on, or after the supply rail drops below power-on threshold by a specified hysteresis during system power down. The cross-conduction protection circuitry detects both driver outputs and will not turn on a driver until the other driver output is low. The top gate voltage needed by the top MOSFET is obtained through an external boot-strap structure. When not switching, the LM2724A only draws up to 195µA from the 5V rail. The synchronization operation of the bottom MOSFET can be disabled by pulling the SYNC pin to ground.
- Shoot-Through Protection
- Input Under-Voltage-Lock-Out
- 3A Peak Driving Current
- 195μA Quiescent Current
- 28V Input Voltage in Buck Configuration
- SOIC-8 and WSON Packages
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- Vin (Min) (V)
- 4.3
- Vin (Max) (V)
- 28
- Iout (Max) (A)
- 3
- Iq (Typ) (uA)
- 195
- Features
- UVLO Fixed
- Rating
- Catalog
- Regulated outputs (#)
- 1
- Duty cycle (Max) (%)
- 100
LM2724A的完整型号有：LM2724AMX/NOPB，以下是这些产品的关键参数及官网采购报价：
LM2724AMX/NOPB，工作温度：-40 to 125，封装：SOIC (D)-8，包装数量MPQ：2500个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：SN，TI官网LM2724AMX/NOPB的批量USD价格：1.085（1000+）
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