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參數資料
| 型號： | TPS62260DDC |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 2.25 MHz 600 mA Step Down Converter in 2x2SON/TSOT-23 Package |
| 中文描述： | 2.25兆赫600毫安降壓轉換器2x2SON/TSOT-23包 |
| 文件頁數： | 1/32頁 |
| 文件大小： | 951K |
| 代理商： | TPS62260DDC |
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www.ti.com
FEATURES
High Efficiency Step Down Converter
Output Current up to 600 mA
Wide V
IN
Range from 2 V to 6 V for Li-Ion
Batteries with Extended Voltage Range
2.25 MHz Fixed Frequency Operation
Power Save Mode at Light Load Currents
Output Voltage Accuracy in PWM mode
±
1.5%
Typ. 15
μ
A Quiescent Current
100% Duty Cycle for Lowest Dropout
Soft Start
Voltage Positioning at Light Loads
Available in a small 2
×
2
×
0,8mm SON and
TSOT-23 package
Allows <1mm Solution Height
DESCRIPTION
The TPS62260 device is a high efficient synchronous
step down dc-dc converter optimized for battery
powered applications. It provides up to 600-mA
output current from a single Li-Ion cell and is ideal to
power
mobile
phones
applications.
APPLICATIONS
PDAs, Pocket PCs
Low Power DSP Supply
Portable Media Players
POL applications
V
IN
GND
EN
FB
SW
TPS62260DRV
L
R
1
R
2
C
10 F
OUT
V
OUT
MODE
C
4.7 F
IN
m
2.2 H
C
22 pF
1
0
0.01
10
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
I - Output Current - mA
E
V = 2.3 V
V = 2.7 V
V = 3 V
V = 3.6 V
V = 4.5 V
V
MODE = GND,
L = 2.2 H,
DCR 110 mR
= 1.8 V,
OUT
m
TPS62260, TPS62261, TPS62262
SLVS763–JUNE 2007
2.25 MHz 600 mA Step Down Converter in 2x2SON/TSOT-23 Package
and
other
portable
With an wide input voltage range of 2 V to 6 V, the
device supports applications powered by Li-Ion
batteries with extended voltage range, two and three
cell alkaline batteries, 3.3 V and 5 V input voltage
rails.
The TPS62260 operates at 2.25 MHz fixed switching
frequency and enters Power Save Mode operation at
light load currents to maintain high efficiency over
the entire load current range.
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,
the current consumption is reduced to less than 1
μ
A.
TPS62260 allows the use of small inductors and
capacitors to achieve a small solution size.
The TPS62260 is available in a very small 2
×
2 6 pin
SON and TSOT-23 5 pin package.
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.
PowerPAD is a trademark of Texas Instruments.
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.
Copyright 2007, Texas Instruments Incorporated
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS62260DDCR | 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 |
| TPS62260DDCRG4 | 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 |
| TPS62260DDCT | 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 |
| TPS62260DDCTG4 | 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 |
| TPS62260DRVR | 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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