• - 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 TPS5110 provides one PWM-mode synchronous buck regulator controller (SBRC) and one low drop-out (LDO) regulator controller. The TPS5110 supports a low-voltage/high-current power supply for I/O and other peripherals in modern digital systems. The SBRC of the TPS5110 automatically adjusts from PWM mode to SKIP mode to maintain high efficiency under all load conditions. The LDO controller drives an external N-channel power MOSFET that realizes fast response and ultra-low dropout voltage. A unique overshoot protection circuit prevents a voltage hump at fast load decreasing transients. The current protection circuit for SBRC detects the drain-to-source voltage drop across the low-side and high-side power MOSFET while it is conducting.

特性

• Switching Mode Step-Down dc-to-dc Controller With Fast LDO Controller
• Input Voltage Range
         Switcher: 4.5 V to 28 V
         LDO: 1.1 V to 3.6 V
• Output Voltage Range
         Switcher: 0.9 V to 3.5 V
         LDO: 0.9 V to 2.5 V
• Synchronous for High Efficiency
• Precision V_REF (±1 %)
• PWM Mode Control: Max. 500-kHz Operation
• High-Speed Error Amplifier
• Overcurrent Protection With Temperature Compensation Circuit
• Overvoltage and Undervoltage Protection
• Programmable Short-Circuit Protection
• APPLICATIONS
  • Notebook PCs, PDAs
  • Consumer Game Systems
  • DSP Application