TPS62616 - 350mA、6MHz、2.15V 输出高效降压转换器

TPS62616是TI德州仪器公司的一款转换器（集成开关）产品，TPS62616是350mA、6MHz、2.15V 输出高效降压转换器，本站介绍了TPS62616的封装应用图解、特点和优点、功能等，并给出了与TPS62616相关的TI元器件型号供参考。

TPS62616 - 350mA、6MHz、2.15V 输出高效降压转换器 - 转换器（集成开关） - DC/DC开关稳压器 - 德州仪器

产品描述

The TPS6261x device is a high-frequency synchronous step-down dc-dc converter optimized for battery-powered portable applications. Intended for low-power applications, the TPS6261x supports up to 350-mA load current, and allows the use of low cost chip inductor and capacitors.

With a wide input voltage range of 2.3V to 5.5V, the device supports applications powered by Li-Ion batteries with extended voltage range. Different fixed voltage output versions are available from 1.2V to 2.3V.

The TPS6261x operates at a regulated 6-MHz switching frequency and enters the power-save mode operation at light load currents to maintain high efficiency over the entire load current range.

The PFM mode extends the battery life by reducing the quiescent current to 31µA (typ) during light load operation. For low-frequency noise-sensitive applications, the device can be forced into fixed frequency PWM mode by pulling the MODE pin high. These features, combined with high PSRR and AC load regulation performance, make this device suitable to replace a linear regulator to obtain better power conversion efficiency.

The TPS6261x is available in an 6-pin thin chip-scale package (CSP, 0.4mm max. height).

产品特性

90% Efficiency at 6MHz Operation
31µA Quiescent Current
Wide VIN Range From 2.3V to 5.5V
6MHz Regulated Frequency Operation
Best in Class Load and Line Transient
±2% Total DC Voltage Accuracy
Automatic PFM/PWM Mode Switching
Low Ripple Light-Load PFM Mode
>50dB VIN PSRR (1kHz to 10kHz)
Internal Soft-Start, 100-µs Start-Up Time
Integrated Active Power-Down Sequencing (Optional)
Three Surface-Mount External Components Required (One 0603 MLCC Inductor, Two 0402 Ceramic Capacitors)
Complete Sub 0.4-mm Component Profile Solution
Total Solution Size <10 mm2
Available in a 6-Pin NanoFree (CSP) Ultra-Thin Packaging
APPLICATIONS
- Cell Phones, Smart-Phones
- WLAN, GPS and Bluetooth Applications
- DTV Tuner Applications
- DC/DC Micro Modules

NanoFree is a trademark of Texas Instruments.

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