The TPS6210x family of low-power high-efficiency buck converters is designed to operate from 1 or 2 li-ion cell battery packs. This part, with its wide input range of 2.5 V to 9 V, has an adjustable output from 0.8 V to 8 V and is capable of 500-mA output current. The TPS6210x family of synchronizable dc-to-dc converters is available in four different operating frequencies: 300 kHz, 600 kHz, 1 MHz, and 2 MHz. The circuit can be allowed to run at a fixed frequency, or sychronized, using the dual function SD/SYNC input pin.

The TPS6210x family is highly efficient at both low and high output currents. The tri-function MODE input pin is used to select constant-frequency, auto-mode, or light-load modes of operation. The multimode operation allows the IC to select the most efficient operating mode, or if desirable, the user can determine which of three modes to operate in. In the auto-mode, the output load detector circuitry determines if the converter should be running in the constant-frequency, heavy-load mode, or pulsed-variable frequency, light-load mode.

The TPS6210x family also has a shutdown mode for optimum battery shelf life. The IC utilizes three methods of overload protection, including thermal shutdown and two levels of overcurrent protection. The TPS6210x is available in the small outline 8-pin SOIC package.

• 2.5-V to 9-V Input Range
• 0.8-V to 8-V Output Range
• Dual-Auto-Mode for High-Efficiency at Light Loads
• Externally Synchronizable
• 0% to 100% Duty Cycle
• Low-Quiescient, Standby, and Shutdown Currents
• 8-Pin SOIC Package
• Four PWM Frequency Versions (Maximum 2 MHz)
• Applications
  • Cellular Telephones
  • Satellite Telephones
  • GPS Devices
  • Digital Still Cameras
  • PDAs and Handheld Cameras

• Vin (Min) (V)
• 2.5
• Vin (Max) (V)
• 9
• Vout (Min) (V)
• 0.8
• Vout (Max) (V)
• 8
• Iout (Max) (A)
• 0.5
• Iq (Typ) (uA)
• 164
• Switching frequency (Min) (kHz)
• 450
• Switching frequency (Max) (kHz)
• 750
• Features
• Enable, Forced PWM, Frequency Synchronization, Light Load Efficiency, Synchronous Rectification
• Rating
• Catalog
• Regulated outputs (#)
• 1
• Control mode
• Voltage Mode
• Duty cycle (Max) (%)
• 100

TPS62101的完整型号有：TPS62101D，以下是这些产品的关键参数及官网采购报价：

TPS62101D，工作温度：-40 to 85，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TPS62101D的批量USD价格：1.045（1000+）

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