TPS62352 - Adjustable, 800mA, 3MHz Buck Converter with I2C Interface Chip Scale Package

TPS62352是TI德州仪器公司的一款转换器（集成开关）产品，TPS62352是Adjustable, 800mA, 3MHz Buck Converter with I2C Interface Chip Scale Package，本站介绍了TPS62352的封装应用图解、特点和优点、功能等，并给出了与TPS62352相关的TI元器件型号供参考。

TPS62352 - Adjustable, 800mA, 3MHz Buck Converter with I2C Interface Chip Scale Package - 转换器（集成开关） - DC/DC开关稳压器 - 德州仪器

产品描述

The TPS6235x device is a high-frequency synchronous step-down dc-dc converter optimized for battery-powered portable applications. Intended for low-power applications, the TPS6235x supports up to 800-mA load current and allows the use of small, low cost inductors and capacitors.

The device is ideal for mobile phones and similar portable applications powered by a single-cell Li-Ion battery. With an output voltage range adjustable via I2C interface down to 0.6 V, the device supports low-voltage DSPs and processors core power supplies in smart-phones, PDAs, and handheld computers.

The TPS6235x operates at 3-MHz fixed switching frequency and enters the efficiency optimized power-save mode operation at light load currents to maintain high efficiency over the entire load current range. In the shutdown mode, the current consumption is reduced to less than 2 µA.

The serial interface is compatible with Fast/Standard and High-Speed mode I2C specification allowing transfers at up to 3.4 Mbps. This communication interface is used for dynamic voltage scaling with voltage steps down to 12.5 mV, for reprogramming the mode of operation (Light PFM, Fast PFM or Forced PWM) or disable/enabling the output voltage.

产品特性

88% Efficiency at 3-MHz Operation
800-mA Output Current at VI = 2.7 V
3-MHz Fixed Frequency Operation
Best in Class Load and Line Transient
Complete 1-mm Component Profile Solution
±2% PWM DC Voltage Accuracy
35-ns Minimum On-Time
Efficiency Optimized Power-Save Mode (Light PFM)
Transient Optimized Power-Save Mode (Fast PFM)
28-µA Typical Quiescent Current
I2C Compatible Interface up to 3.4 Mbps
Pin-Selectable Output Voltage
Synchronizable On the Fly to External Clock Signal
Available in a 10-Pin QFN (3 × 3 mm) and 12-Pin NanoFree™ (CSP) Packaging
APPLICATIONS
- SmartReflex™ Compliant Power Supply
- Split Supply DSPs and µP Solutions OMAP™, XSCALE™
- Cell Phones, Smart-Phones
- PDAs, Pocket PCs
- Digital Cameras
- Micro DC-DC Converter Modules

NanoFree, SmartReflex, OMAP, PowerPAD Is a trademark of Texas Instruments. XSCALE is a trademark of Intel Corporation. I2C is a trademark of Philips Corporation.

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