- 制造厂商：TI
- 产品类别：电源管理
- 技术类目：栅极驱动器 - 半桥驱动器
- 功能描述：具有 TTL 输入、用于同相同步降压的 2.4A、28V 半桥栅极驱动器
- 点击这里打开及下载TPS2837的技术文档资料
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The TPS2836 and TPS2837 are MOSFET drivers for synchronous-buck power stages. These devices are ideal for designing a high-performance power supply using switching controllers that do not have MOSFET drivers. The drivers are designed to deliver minimum 2-A peak currents into large capacitive loads. The high-side driver can be configured as ground-reference or as floating-bootstrap. An adaptive dead-time control circuit eliminates shoot-through currents through the main power FETs during switching transitions and provides high efficiency for the buck regulator.
The TPS2836 has a noninverting input, while the TPS2837 has an inverting input. These drivers, available in 8-terminal SOIC packages, operate over a junction temperature range of –40°C to 125°C.
- Floating Bootstrap or Ground-Reference High-Side Driver
- Adaptive Dead-Time Control
- 50-ns Max Rise/Fall Times With 3.3-nF Load
- 2.4-A Typical Output Current
- 4.5-V to 15-V Supply Voltage Range
- TTL-Compatible Inputs
- Internal Schottky Bootstrap Diode
- Low Supply Current....3 mA Typical
- Ideal for High-Current Single or Multiphase Power Supplies
- –40°C to 125°C Operating Virtual Junction-Temperature Range
- Bus voltage (Max) (V)
- 28
- Power switch
- MOSFET
- Input VCC (Min) (V)
- 4.5
- Input VCC (Max) (V)
- 15
- Peak output current (A)
- 2.4
- Rise time (ns)
- 50
- Operating temperature range (C)
- -40 to 125
- Rating
- Catalog
- Number of channels (#)
- 2
- Fall time (ns)
- 40
- Prop delay (ns)
- 70
- Iq (uA)
- 3000
- Input threshold
- TTL
- Channel input logic
- TTL
- Negative voltage handling at HS pin (V)
- 0
- Features
- Dead Time Control, Synchronous Rectification
- Driver configuration
- Inverting
TPS2837的完整型号有：TPS2837D、TPS2837DR，以下是这些产品的关键参数及官网采购报价：
TPS2837D，工作温度：-40 to 125，封装：SOIC (D)-8，包装数量MPQ：75个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网TPS2837D的批量USD价格：1.518（1000+）
TPS2837DR，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：NIPDAU，TI官网TPS2837DR的批量USD价格：1.265（1000+）
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