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參數資料
| 型號： | TPS62240DDCTG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 0.3 A SWITCHING REGULATOR, 2500 kHz SWITCHING FREQ-MAX, PDSO5 |
| 封裝： | GREEN, PLASTIC, TSOT-23, 5 PIN |
| 文件頁數： | 1/29頁 |
| 文件大小： | 985K |
| 代理商： | TPS62240DDCTG4 |
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1
FEATURES
DESCRIPTION
APPLICATIONS
VIN
GND
EN
FB
SW
TPS62243DRV
L1
2.2H
CIN
4.7F
COUT
10F
VOUT 1.8V
Upto300mA
MODE
VIN 2.0V to 6V
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 =2V
I
V =4.5
I
V =3.6
I
V =4.5
I
V =3V
I
V =2.7
I
V =2V
I
V =1.8V,
MODE=GND,
L =2.2 H,
DCR110m
O
m
SLVS762B – JUNE 2007 – REVISED SEPTEMBER 2007
www.ti.com
2.25 MHz 300 mA Step Down Converter in 2x2SON/TSOT23 Package
23
High Efficiency Step Down Converter
Output Current up to 300 mA
The
TPS62240
device
is
a
high
efficiency
synchronous step down dc-dc converter optimized for
V
IN Range From 2 V to 6 V for Li-Ion Batteries
battery powered portable applications. It provides up
With Extended Voltage Range
to 300 mA output current from a single Li-Ion cell and
2.25 MHz Fixed Frequency Operation
is ideal to power portable applications like mobile
Power Save Mode at Light Load Currents
phones and other portable equipment..
Output Voltage Accuracy in PWM Mode ±1.5%
With an input voltage range of 2 V to 6 V, the device
supports applications powered by Li-Ion batteries with
Adjustable Output Voltage from 0.6 V to V
IN
extended voltage range, two- and three-cell alkaline,
Typical 15 A Quiescent Current
3.3-V and 5-V input voltage rails.
100% Duty Cycle for Lowest Dropout
The TPS62240 operates at 2.25 MHz fixed switching
Available in a TSOT23 and 2×2×0,8 mm SON
frequency and enters Power Save Mode operation at
Allows < 1 mm Solution Height
light load currents to maintain high efficiency over the
entire load current range.
The Power Save Mode is optimized for low output
Bluetooth Headset
voltage ripple. For low noise applications, the device
Cell Phones, Smart-phones
can be forced into fixed frequency PWM mode by
pulling the MODE pin high. In the shutdown mode,
WLAN
the current consumption is reduced to less than 1
A.
PDAs, Pocket PCs
TPS62240 allows the use of small inductors and
Low Power DSP Supply
capacitors to achieve a small solution size.
Portable Media Players
The TPS62240 is available in a 5-pin TSOT23 and
Digital Cameras
6-pin 2mm
×2mm SON 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.
3
Bluetooth is a trademark of Bluetooth SIG, Inc..
PRODUCTION DATA information is current as of publication date.
Copyright 2007, 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 |
|---|---|
| TPS62240DRVR | 功能描述:直流/直流開關調節器 2.25MHz 300mA 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 |
| TPS62240DRVRG4 | 功能描述:直流/直流開關調節器 2.25MHz 300mA 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 |
| TPS62240DRVT | 功能描述:直流/直流開關調節器 2.25MHz 300mA 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 |
| TPS62240DRVTG4 | 功能描述:直流/直流開關調節器 2.25MHz 300mA 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 |
| TPS62240EVM-229 | 功能描述:電源管理IC開發工具 TPS62240 Eval Mod RoHS:否 制造商:Maxim Integrated 產品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
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