TPS62111 - 采用 QFN-16 封装的 3.3V 1.5A 输出 17V 输入的步降转换器

TPS62111是TI德州仪器公司的一款转换器（集成开关）产品，TPS62111是采用 QFN-16 封装的 3.3V 1.5A 输出 17V 输入的步降转换器，本站介绍了TPS62111的封装应用图解、特点和优点、功能等，并给出了与TPS62111相关的TI元器件型号供参考。

TPS62111 - 采用 QFN-16 封装的 3.3V 1.5A 输出 17V 输入的步降转换器 - 转换器（集成开关） - DC/DC开关稳压器 - 德州仪器

产品特性

High-Efficiency Synchronous Step-Down Converter With up to 95% Efficiency
3.1-V to 17-V Operating Input Voltage Range
Adjustable Output Voltage Range: 1.2 V to 16 V
Fixed Output Voltage Options Available in 3.3 V and 5 V
Synchronizable to External Clock: Up to 1.4 MHz
Up to 1.5-A Output Current
High Efficiency Over a Wide Load-Current Range Due to PFM/PWM Operation Mode
100% Maximum Duty Cycle for Lowest Dropout
20-µA Quiescent Current (Typical)
Overtemperature and Overcurrent Protected
Available in 16-Pin VQFN Package

产品应用

Point-of-Load Regulation From 12-V Buses
Organizers, PDAs, and Handheld PCs
Handheld Scanners

产品说明

The TPS6211x devices are a family of low-noise synchronous step-down DC-DC converters that are ideally suited for systems powered from a 2- to 4-cell Li-ion battery or from a 12-V or 15-V rail.

The TPS6211x devices are synchronous pulse width modulation (PWM) converters with integrated N- and P-channel power MOSFET switches. Synchronous rectification is used to increase efficiency and to reduce 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 1 MHz, allowing the use of small inductor and capacitor values. The device can be synchronized to an external clock signal in the range of 0.8 MHz to 1.4MHz. For low-noise operation, the converter can be operated in PWM-only mode. In shutdown mode, the current consumption is reduced to less than 2 µA. The TPS6211x family of devices are available in the 16-pin (RSA) VQFN package, and operate over a free-air temperature range of –40°C to 85°C.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
TPS62110	VQFN (16)	4.00 mm × 4.00 mm
TPS62111
TPS62112
TPS62113

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