• - 交流-直流(AC-DC)控制器和稳压器
• - 直流-直流(DC-DC)控制器、转换器和稳压器
• - 电压和电流管理
• - 通讯IC
• - 驱动器
• - 热管理

• - 时钟及数据分配
• - 标准逻辑

• - 放大器和比较器
• - 模拟开关
• - 数字电位计
• - 接口
• - EMI和RFI滤波器

• - EEPROM存储器
• - 非易失性只读存储器(NVRAM)
• - SRAM存储器

说明

The TPS53126 is a dual, adaptive on-time, D-CAP2 mode synchronous Buck controller. The TPS53126 enables system designers to complete the suite of various end equipment's power bus regulators with a cost effective, low external component count, and low standby current solution. The main control loop for the TPS53126 uses the D-CAP2 mode control which provides a very fast transient response with no external components. The TPS53126 also has a proprietary circuit that enables the device to adapt to both low equivalent series resistance (ESR) output capacitors, such as POSCAP or SP-CAP, and ultra-low ESR ceramic capacitors. The device provides convenient and efficient operation with input voltages from 4.5 V to 24 V and output voltages from 0.

特性

• D-CAP2™ Mode Control
  • Fast Transient Response
  • No External Parts Required For Loop Compensation
  • Compatible with Ceramic Output Capacitors
• High Initial Reference Accuracy (±1%)
• Low Output Ripple
• Wide Input Voltage Range: 4.5 V to 24 V
• Output Voltage Range: 0.76 V to 5.5 V
• Low-Side R_DS(on) Loss-Less Current Sensing
• Adaptive Gate Drivers with Integrated Boost Diode
• Internal 1.2 ms Voltage-Servo Soft Start
• Pre-Biased Soft Start
• Selectable Switching Frequency: 350 kHz / 700 kHz
• Cycle-by-Cycle Over-Current Limiting Control
• 30 mV to 300 mV OCP Threshold Voltage
• Thermally Compensated OCP by 4000 ppm/C° at I_TRIP
• APPLICATIONS
  • Point-of-Load Regulation in Low Power Systems for Wide Range of Applications
    • Digital TV Power Supply
    • Networking Home Terminal