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參數(shù)資料
| 型號： | TPS62700YZF |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1.2 A SWITCHING REGULATOR, 2300 kHz SWITCHING FREQ-MAX, BGA8 |
| 封裝： | LEAD FREE, WCSP-8 |
| 文件頁數(shù)： | 1/25頁 |
| 文件大小： | 856K |
| 代理商： | TPS62700YZF |
1
FEATURES
DESCRIPTION
APPLICATIONS
PVIN
AVIN
PGND
AGND
FB
VCON
EN
SW
V
2.5Vto6.0V
IN
3.3
H
m
4.7
F
m
10
F
m
V
=2.5xVCON
OUT
1.3Vto3.09V
www.ti.com................................................................................................................................................... SLVS784B – DECEMBER 2007 – REVISED JUNE 2008
2 MHz 650 mA Step Down Converter for RF Power Amplifiers in
Tiny 8-pin WCSP Package
High-Efficiency Step-Down Converter
Output Current up to 650 mA
The
TPS6270x
device
is
a
high-efficiency
synchronous step-down DC-DC converter optimized
V
IN Range From 2.5 to 6.0 V
for RF power-amplifier (PA) applications. It provides
2.0-MHz Fixed-Frequency Operation
up to 650 mA of output current from a single Li-Ion
Clock Dithering (TPS62701)
cell.
Dynamic Voltage Control With External
The device converts input voltages from 2.5 to 6.0 V
Reference (1.3 V to 3.09 V)
down to an output voltage set by an external analog
reference voltage applied to the pin VCON. The
Fast Output-Voltage Settling (1.3 V to 3.09 V in
output voltage follows the external reference by an
20
s)
internal gain of 2.5 within the limits of 1.3 V to 3.09 V.
Soft Start
This scheme adjusts the output voltage of the DC/DC
Overload Protection
converter and therefore the output power of an
RF-PA.
Undervoltage Lockout
Thermal Protection
The TPS6270x operates in fixed-frequency PWM
mode at a 2.0-MHz switching frequency to minimize
8-Pin WCSP Package
RF interference. This converter operates with only
three small external components; an input capacitor,
inductor and output capacitor. The TPS62701 has in
Cell Phones, Smart Phones
addition a built-in clock-dithering circuit to reduce RF
Battery-Powered RF Amplifier
noise.
The TPS6270x is available in a tiny 8 pin lead free
WCSP package for smallest solution size.
TYPICAL APPLICATION
1
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.
Copyright 2007–2008, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS62700YZFR | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 2.0 MHz 650mA Step- Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS62701YZFR | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 2MHz 650mA Step-Down Cnvtr for RF Pwr Amp RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| TPS62701YZFT | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 2MHz 650mA Step-Down Cnvtr for RF Pwr Amp RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| TPS62730DRYR | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Step Down Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| TPS62730DRYT | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Step Down Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
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