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參數資料
| 型號： | TPS62261DRVT |
| 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, GREEN, PLASTIC, SON-6 |
| 文件頁數： | 1/32頁 |
| 文件大小： | 1061K |
| 代理商： | TPS62261DRVT |
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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-mA
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
SLVS763D
– JUNE 2007 – REVISED FEBRUARY 2011
2.25 MHz 600 mA Step Down Converter in 2x2 QFN / TSOT-23 Package
1
FEATURES
DESCRIPTION
2
High Efficiency Step-Down Converter
Output Current up to 600 mA
The
TPS62260
device
is
a
highly
efficient
synchronous step down dc-dc converter optimized for
VIN Range from 2 V to 6 V for Li-ion Batteries
battery powered applications. It provides up to
with Extended Voltage Range
600-mA output current from a single Li-Ion cell and is
2.25 MHz Fixed Frequency Operation
ideal to power mobile phones and other portable
Power Save Mode at Light Load Currents
applications.
Output Voltage Accuracy in PWM mode
±1.5%
With an wide input voltage range of 2 V to 6 V, the
device supports applications powered by Li-Ion
Typ. 15
μA Quiescent Current
batteries with extended voltage range, two and three
100% Duty Cycle for Lowest Dropout
cell alkaline batteries, 3.3 V and 5 V input voltage
Soft Start
rails.
Voltage Positioning at Light Loads
The TPS62260 operates at 2.25 MHz fixed switching
Available in a small 2
×2×0.8mm QFN and
frequency and enters Power Save Mode operation at
TSOT-23 package
light load currents to maintain high efficiency over the
entire load current range.
Allows
<1mm Solution Height
The Power Save Mode is optimized for low output
APPLICATIONS
voltage ripple. For low noise applications, the device
can be forced into fixed frequency PWM mode by
PDAs, Pocket PCs
pulling the MODE pin high. In the shutdown mode,
Low Power DSP Supply
the current consumption is reduced to less than 1
μA.
Portable Media Players
TPS62260 allows the use of small inductors and
POL applications
capacitors to achieve a small solution size.
The TPS62260 is available in a very small 2
×2 6 pin
QFN 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.
2007–2011, 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 |
|---|---|
| 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 |
| TPS62262DDCR | 功能描述:直流/直流開關轉換器 2.25MHz 600mA Step- Down Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| TPS62262DDCT | 功能描述:直流/直流開關轉換器 2.25MHz 600mA Step- Down Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| TPS62262DRVR | 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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