TPS62111-EP - 增强型产品 17V、1.5A 同步降压转换器

TPS62111-EP是TI德州仪器公司的一款转换器（集成开关）产品，TPS62111-EP是增强型产品 17V、1.5A 同步降压转换器，本站介绍了TPS62111-EP的封装应用图解、特点和优点、功能等，并给出了与TPS62111-EP相关的TI元器件型号供参考。

TPS62111-EP - 增强型产品 17V、1.5A 同步降压转换器 - 转换器（集成开关） - DC/DC开关稳压器 - 德州仪器

产品描述

产品特性

Controlled Baseline
- One Assembly
- One Test Site
- One Fabrication Site
Extended Temperature Performance of –55°C to 125°C
Enhanced Diminishing Manufacturing Sources (DMS) Support
Enhanced Product-Change Notification
Qualification Pedigree
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 From 1.2 V to 16 V
Fixed Output Voltage Options Available in 3.3 V and 5 V
Synchronizable to External Clock Signal 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 QFN Package
APPLICATIONS
- Point-of-Load Regulation From 12 V Bus
- Organizers, PDAs, and Handheld PCs
- Handheld Scanners

Component qualification in accordance with JEDEC and industry standards to ensure reliable operation over an extended temperature range. This includes, but is not limited to, Highly Accelerated Stress Test (HAST) or biased 85/85, temperature cycle, autoclave or unbiased HAST, electromigration, bond intermetallic life, and mold compound life. Such qualification testing should not be viewed as justifying use of this component beyond specified performance and environmental limits. PowerPAD is a trademark of Texas Instruments.

DESCRIPTION/ORDERING INFORMATION

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-cell Li-ion battery or from a 12 V or 15 V rail.

The TPS6211x is a synchronous PWM converter with integrated N-channel 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 1.4 MHz. For low noise operation, the converter can be operated in PWM-only mode. In the shutdown mode, the current consumption is reduced to less than 2 µA. The TPS6211x is available in the 16 pin (RSA) QFN package, and operates over a free-air temperature range of –55°C to 125°C.

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