Datasheet > TPS62700_15

TPS62700_15

更新时间： 2024-11-16 02:58:23

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2 MHz 650 mA Step Down Converter for RF Power Amplifiers in Tiny 8-pin WCSP Package

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TPS62700_15 数据手册

TPS62700

www.ti.com

SLVS784A–DECEMBER 2007–REVISED MARCH 2008

2 MHz 650 mA Step Down Converter for RF Power Amplifiers in

Tiny 8-pin WCSP Package

FEATURES

DESCRIPTION

•

High-Efficiency Step-Down Converter

•

Output Current up to 650 mA

The TPS62700 device is

high-efficiency

synchronous step-down DC-DC converter optimized

for RF power-amplifier (PA) applications. It provides

up to 650 mA of output current from a single Li-Ion

cell.

V_INRange From 2.5 to 6.0 V

2.0-MHz Fixed-Frequency Operation

Dynamic Voltage Control With External

Reference (1.3 V to 3.09 V)

The device converts input voltages from 2.5 to 6.0 V

down to an output voltage set by an external analog

reference voltage applied to the pin VCON. The

output voltage follows the external reference by an

internal gain of 2.5 within the limits of 1.3 V to 3.09 V.

This scheme adjusts the output voltage of the DC/DC

converter and therefore the output power of an

RF-PA.

•

Fast Output-Voltage Settling (1.3 V to 3.09 V in

20 µs)

•

Soft Start

Overload Protection

Undervoltage Lockout

Thermal Protection

8-Pin WCSP Package

The TPS62700 operates in fixed-frequency PWM

mode at a 2.0-MHz switching frequency to minimize

RF interference. This converter operates with only

three small external components; an input capacitor,

inductor and output capacitor.

APPLICATIONS

•

Cell Phones, Smart Phones

Battery-Powered RF Amplifier

The TPS62700 is available in a tiny 8 pin lead free

WCSP package for smallest solution size.

TYPICAL APPLICATION

2.5 V to 6.0 V

3.3 mH

= 2.5 x VCON

1.3 V to 3.09 V

OUT

10 mF

AVIN

PVIN

4.7 mF

VCON

AGND

PGND

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...25

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与TPS62700_15相关器件

型号	品牌	获取价格	描述	数据表
TPS62700YZF	TI	获取价格	2 MHz 650 mA Step Down Converter for RF Power Amplifiers in Tiny 8-pin WCSP Package
TPS62700YZFR	TI	获取价格	暂无描述
TPS62701	TI	获取价格	2 MHz 650 mA Step Down Converter for RF Power Amplifiers in Tiny 8-pin WCSP Package
TPS62701YZF	TI	获取价格	2 MHz 650 mA Step Down Converter for RF Power Amplifiers in Tiny 8-pin WCSP Package
TPS62701YZFR	TI	获取价格	2 MHz 650 mA Step Down Converter for RF Power Amplifiers in Tiny 8-pin WCSP Package
TPS62701YZFT	TI	获取价格	2MHz 650mA Step-Down Converter for RF Power Amplifiers with Built in Clock Dittering Circu
TPS62730	TI	获取价格	Step Down Converter with Bypass Mode for Ultra Low Power Wireless Applications
TPS62730_1107	TI	获取价格	Step Down Converter with Bypass Mode for Ultra Low Power Wireless Applications
TPS62730_12	TI	获取价格	Step Down Converter with Bypass Mode for Ultra Low Power Wireless Applications
TPS62730_14	TI	获取价格	Step Down Converter with Bypass Mode for Ultra Low Power Wireless Applications

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