• - 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 TPS6120x devices provide a power supply solution for products powered by either a single-cell, two-cell, or three-cell alkaline, NiCd or NiMH, or one-cell Li-Ion or Li-polymer battery. It is also used in fuel cell or solar cell powered devices where the capability of handling low input voltages is essential. Possible output currents are depending on the input to output voltage ratio. The devices provides output currents up to 600 mA at a 5-V output while using a single-cell Li-Ion or Li-Polymer battery, and discharge it down to 2.5 V. The boost converter is based on a fixed frequency, pulse-width-modulation (PWM) controller using synchronous rectification to obtain maximum efficiency. At low load currents, the converter enters the Power Save mode to maintain a high efficiency over a wide load current range.

特性

• More than 90% Efficiency at
  • 300 mA Output Current at 3.3 V (VIN ≥ 2.4 V)
  • 600 mA Output Current at 5 V (VIN ≥ 3 V)
• Automatic Transition between Boost Mode and Down Conversion Mode
• Device Quiescent Current less than 55 µA
• Startup into Full Load at 0.5 V Input Voltage
• Operating Input Voltage Range from 0.3 V to 5.5 V
• Programmable Undervoltage Lockout Threshold
• Output Short Circuit Protection Under all Operating Conditions
• Fixed and Adjustable Output Voltage Options from 1.8 V to 5.5 V
• Power Save Mode for Improved Efficiency at Low Output Power
• Forced fixed Frequency Operation possible
• Load Disconnect During Shutdown
• Overtemperature Protection
• Small 3 mm x 3 mm QFN-10 Package
• APPLICATIONS
  • All Single-Cell, Two-Cell and Three-Cell Alkaline, NiCd or NiMH or Single-Cell Li Battery Powered Products
  • Fuel Cell And Solar Cell Powered Products
  • Portable Audio Players
  • PDAs

View All Features in Datasheet