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參數資料
| 型號： | TPS62261DRV |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 1.2 A SWITCHING REGULATOR, 2500 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封裝： | 2 X 2 MM, 0.80 MM HEIGHT, PLASTIC, SON-6 |
| 文件頁數： | 1/32頁 |
| 文件大小： | 1304K |
| 代理商： | TPS62261DRV |
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1
FEATURES
DESCRIPTION
APPLICATIONS
VIN
GND
EN
FB
SW
TPS62260DRV
L
R1
R2
C
10 F
OUT
m
VOUT
MODE
C
4.7 F
IN
m
2.2 H
m
C
22pF
1
V =2Vto6V
IN
Upto600mA
0
10
20
30
40
50
60
70
80
90
100
0.01
0.1
1
10
100
1000
I -OutputCurrent-
O
Efficiency-%
V =2.3V
IN
V =2.7V
IN
V =3V
IN
V =3.6V
IN
V =4.5V
IN
V
=1.8V,
MODE=GND,
L =2.2 H,
DCR110mR
OUT
m
SLVS763B – JUNE 2007 – REVISED FEBRUARY 2008
www.ti.com
2.25 MHz 600 mA Step Down Converter in 2x2SON/TSOT-23 Package
2
High Efficiency Step Down Converter
Output Current up to 600 mA
The TPS62260 device is a high efficient synchronous
step down dc-dc converter optimized for battery
Wide V
IN Range from 2 V to 6 V for Li-Ion
powered applications. It provides up to 600-mA
Batteries with Extended Voltage Range
output current from a single Li-Ion cell and is ideal to
2.25 MHz Fixed Frequency Operation
power mobile phones and other portable applications.
Power Save Mode at Light Load Currents
With an wide input voltage range of 2 V to 6 V, the
Output Voltage Accuracy in PWM mode ±1.5%
device supports applications powered by Li-Ion
batteries with extended voltage range, two and three
Typ. 15 A Quiescent Current
cell alkaline batteries, 3.3 V and 5 V input voltage
100% Duty Cycle for Lowest Dropout
rails.
Soft Start
The TPS62260 operates at 2.25 MHz fixed switching
Voltage Positioning at Light Loads
frequency and enters Power Save Mode operation at
Available in a small 2×2×0,8mm SON and
light load currents to maintain high efficiency over the
TSOT-23 package
entire load current range.
Allows <1mm Solution Height
The Power Save Mode is optimized for low output
voltage ripple. For low noise applications, the device
can be forced into fixed frequency PWM mode by
pulling the MODE pin high. In the shutdown mode,
PDAs, Pocket PCs
the current consumption is reduced to less than 1
A.
Low Power DSP Supply
TPS62260 allows the use of small inductors and
Portable Media Players
capacitors to achieve a small solution size.
POL applications
The TPS62260 is available in a very small 2
×2 6 pin
SON and TSOT-23 5 pin package.
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.
2
PowerPAD is a trademark of Texas Instruments.
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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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS62261DRVR | 功能描述:直流/直流開關調節器 2.25MHz 600mA Step- Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS62261DRVRG4 | 功能描述:直流/直流開關調節器 2.25MHz 600mA Step- Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS62261DRVT | 功能描述:直流/直流開關調節器 2.25MHz 600mA Step- Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS62261DRVTG4 | 功能描述:直流/直流開關調節器 2.25MHz 600mA Step- Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS62261TDRVRQ1 | 功能描述:直流/直流開關調節器 2.25MHz 600mA Step- Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
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