The TPS6205x devices are a family of high-efficiency synchronous step-down DC-DC converters that are ideally suited for systems powered from a 1- or 2-cell Li-Ion battery or from a 3- to 5-cell NiCd, NiMH, or alkaline battery.

The TPS6205x devices are synchronous pulse width modulation (PWM) converters with integrated N- and P-channel power MOSFET switches. Synchronous rectification increases efficiency and reduces external component count. To achieve highest efficiency over a wide load current range, the converter enters a power-saving pulse frequency modulation (PFM) mode at light load currents. Operating frequency is typically 850 kHz, allowing the use of small inductor and capacitor values. The device can be synchronized to an external clock signal in the range of 600 kHz to 1.2 MHz. For low noise operation, the converter can be programmed into forced-fixed frequency in PWM mode. In shutdown mode, the current consumption is reduced to less than 2 µA. The TPS6205x devices are available in the 10-pin (DGS) micro-small outline package (MSOP) and operates over a free air temperature range of –40°C to 85°C.

• High-Efficiency Synchronous Step-Down Converter With up to 95% Efficiency
• 12-μA Quiescent Current (Typical)
• 2.7-V to 10-V Operating Input Voltage Range
• Adjustable Output Voltage Range: 0.7 V to 6 V
• Fixed Output Voltage Options Available With 1.5 V, 1.8 V, and 3.3 V
• Synchronizable to External Clock: Up to 1.2 MHz
• High-Efficiency Over a Wide Load Current Range in Power-Save Mode
• 100% Maximum Duty Cycle for Lowest Dropout
• Low-Noise Operation in Forced Fixed- Frequency PWM Operation Mode
• Internal Softstart
• Overtemperature and Overcurrent Protected
• Available in 10-Pin Micro-Small Outline Package MSOP

• Vin (Min) (V)
• 2.7
• Vin (Max) (V)
• 10
• Vout (Min) (V)
• 3.3
• Vout (Max) (V)
• 3.3
• Iout (Max) (A)
• 0.8
• Iq (Typ) (uA)
• 12
• Switching frequency (Min) (kHz)
• 600
• Switching frequency (Max) (kHz)
• 1000
• Features
• Enable, Frequency Synchronization, Light Load Efficiency, Power Good, Synchronous Rectification
• Rating
• Catalog
• Regulated outputs (#)
• 1
• Control mode
• Voltage Mode
• Duty cycle (Max) (%)
• 100

TPS62056的完整型号有：TPS62056DGS、TPS62056DGSR，以下是这些产品的关键参数及官网采购报价：

TPS62056DGS，工作温度：-40 to 85，封装：VSSOP (DGS)-10，包装数量MPQ：80个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAUAG，TI官网TPS62056DGS的批量USD价格：.836（1000+）

TPS62056DGSR，工作温度：-40 to 85，封装：VSSOP (DGS)-10，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：NIPDAUAG，TI官网TPS62056DGSR的批量USD价格：.697（1000+）

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The TPS62050EVM-234 is an evaluation tool for the TPS62050 95% efficient, 800-mA inductive step-down converter in MSOP-10, which can supply voltages down to 0.7V from a 2.7-V to 10-V input. The TPS62050EVM-234 uses a TPS62050 adjustable output step-down converter and the appropriate feedback (...)

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